diff --git a/homeassistant/components/ads/select.py b/homeassistant/components/ads/select.py
index 5d887aa39c72..a359c25389db 100644
--- a/homeassistant/components/ads/select.py
+++ b/homeassistant/components/ads/select.py
@@ -19,6 +19,7 @@ from .hub import AdsHub
 
 DEFAULT_NAME = "ADS select"
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_OPTIONS = "options"
 
 PLATFORM_SCHEMA = SELECT_PLATFORM_SCHEMA.extend(
diff --git a/homeassistant/components/altruist/const.py b/homeassistant/components/altruist/const.py
index 93cbbd2c5357..03aad3c4d254 100644
--- a/homeassistant/components/altruist/const.py
+++ b/homeassistant/components/altruist/const.py
@@ -2,4 +2,5 @@
 
 DOMAIN = "altruist"
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_HOST = "host"
diff --git a/homeassistant/components/anthropic/const.py b/homeassistant/components/anthropic/const.py
index 85f7ba0d88e1..64295d022f4a 100644
--- a/homeassistant/components/anthropic/const.py
+++ b/homeassistant/components/anthropic/const.py
@@ -10,6 +10,7 @@ DEFAULT_CONVERSATION_NAME = "Claude conversation"
 DEFAULT_AI_TASK_NAME = "Claude AI Task"
 
 CONF_RECOMMENDED = "recommended"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_PROMPT = "prompt"
 CONF_CHAT_MODEL = "chat_model"
 CONF_CODE_EXECUTION = "code_execution"
diff --git a/homeassistant/components/aurora_abb_powerone/const.py b/homeassistant/components/aurora_abb_powerone/const.py
index 904f103d1c36..0520f72c3459 100644
--- a/homeassistant/components/aurora_abb_powerone/const.py
+++ b/homeassistant/components/aurora_abb_powerone/const.py
@@ -19,6 +19,8 @@ DEVICES = "devices"
 MANUFACTURER = "ABB"
 
 ATTR_DEVICE_NAME = "device_name"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_DEVICE_ID = "device_id"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_MODEL = "model"
 ATTR_FIRMWARE = "firmware"
diff --git a/homeassistant/components/aws_s3/const.py b/homeassistant/components/aws_s3/const.py
index b4eed69c4a96..4425b36dd8dd 100644
--- a/homeassistant/components/aws_s3/const.py
+++ b/homeassistant/components/aws_s3/const.py
@@ -11,6 +11,7 @@ CONF_ACCESS_KEY_ID = "access_key_id"
 CONF_SECRET_ACCESS_KEY = "secret_access_key"
 CONF_ENDPOINT_URL = "endpoint_url"
 CONF_BUCKET = "bucket"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_PREFIX = "prefix"
 
 AWS_DOMAIN = "amazonaws.com"
diff --git a/homeassistant/components/backblaze_b2/const.py b/homeassistant/components/backblaze_b2/const.py
index 24c91ffcf668..eb7e8d9b6611 100644
--- a/homeassistant/components/backblaze_b2/const.py
+++ b/homeassistant/components/backblaze_b2/const.py
@@ -10,6 +10,7 @@ DOMAIN: Final = "backblaze_b2"
 CONF_KEY_ID = "key_id"
 CONF_APPLICATION_KEY = "application_key"
 CONF_BUCKET = "bucket"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_PREFIX = "prefix"
 
 DATA_BACKUP_AGENT_LISTENERS: HassKey[list[Callable[[], None]]] = HassKey(
diff --git a/homeassistant/components/bluetooth/const.py b/homeassistant/components/bluetooth/const.py
index 904b066d95ee..c8f613ffb9c2 100644
--- a/homeassistant/components/bluetooth/const.py
+++ b/homeassistant/components/bluetooth/const.py
@@ -16,6 +16,7 @@ CONF_DETAILS = "details"
 CONF_PASSIVE = "passive"
 
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_SOURCE: Final = "source"
 CONF_SOURCE_DOMAIN: Final = "source_domain"
 CONF_SOURCE_MODEL: Final = "source_model"
diff --git a/homeassistant/components/braviatv/const.py b/homeassistant/components/braviatv/const.py
index 164b83cb5fe3..f63cc95bb67e 100644
--- a/homeassistant/components/braviatv/const.py
+++ b/homeassistant/components/braviatv/const.py
@@ -6,6 +6,7 @@ from typing import Final
 ATTR_CID: Final = "cid"
 ATTR_MAC: Final = "macAddr"
 ATTR_MANUFACTURER: Final = "Sony"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_MODEL: Final = "model"
 
 CONF_NICKNAME: Final = "nickname"
diff --git a/homeassistant/components/bsblan/services.py b/homeassistant/components/bsblan/services.py
index f111c84dce67..d9bd19e9f700 100644
--- a/homeassistant/components/bsblan/services.py
+++ b/homeassistant/components/bsblan/services.py
@@ -20,6 +20,7 @@ if TYPE_CHECKING:
 
 LOGGER = logging.getLogger(__name__)
 
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_DEVICE_ID = "device_id"
 ATTR_MONDAY_SLOTS = "monday_slots"
 ATTR_TUESDAY_SLOTS = "tuesday_slots"
diff --git a/homeassistant/components/calendar/const.py b/homeassistant/components/calendar/const.py
index f568fb83d87e..7a3cba0a0b9a 100644
--- a/homeassistant/components/calendar/const.py
+++ b/homeassistant/components/calendar/const.py
@@ -13,6 +13,7 @@ if TYPE_CHECKING:
 DOMAIN = "calendar"
 DATA_COMPONENT: HassKey[EntityComponent[CalendarEntity]] = HassKey(DOMAIN)
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_EVENT = "event"
 
 
diff --git a/homeassistant/components/citybikes/sensor.py b/homeassistant/components/citybikes/sensor.py
index f1d30646dbe2..640553d2ba3c 100644
--- a/homeassistant/components/citybikes/sensor.py
+++ b/homeassistant/components/citybikes/sensor.py
@@ -45,7 +45,9 @@ HA_USER_AGENT = (
 )
 
 ATTR_UID = "uid"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_LATITUDE = "latitude"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_LONGITUDE = "longitude"
 ATTR_EMPTY_SLOTS = "empty_slots"
 ATTR_FREE_EBIKES = "free_ebikes"
diff --git a/homeassistant/components/clicksend_tts/notify.py b/homeassistant/components/clicksend_tts/notify.py
index 3baa4cbe379b..aaaa1394269a 100644
--- a/homeassistant/components/clicksend_tts/notify.py
+++ b/homeassistant/components/clicksend_tts/notify.py
@@ -29,6 +29,7 @@ BASE_API_URL = "https://rest.clicksend.com/v3"
 
 HEADERS = {"Content-Type": CONTENT_TYPE_JSON}
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_LANGUAGE = "language"
 CONF_VOICE = "voice"
 
diff --git a/homeassistant/components/cloudflare_r2/const.py b/homeassistant/components/cloudflare_r2/const.py
index 28b685e22e4c..d948da58e5f2 100644
--- a/homeassistant/components/cloudflare_r2/const.py
+++ b/homeassistant/components/cloudflare_r2/const.py
@@ -11,6 +11,7 @@ CONF_ACCESS_KEY_ID = "access_key_id"
 CONF_SECRET_ACCESS_KEY = "secret_access_key"
 CONF_ENDPOINT_URL = "endpoint_url"
 CONF_BUCKET = "bucket"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_PREFIX = "prefix"
 
 # R2 is S3-compatible. Endpoint should be like:
diff --git a/homeassistant/components/color_extractor/const.py b/homeassistant/components/color_extractor/const.py
index 25c15ed9dc04..c94cb5bc35fe 100644
--- a/homeassistant/components/color_extractor/const.py
+++ b/homeassistant/components/color_extractor/const.py
@@ -6,4 +6,5 @@ ATTR_URL = "color_extract_url"
 DOMAIN = "color_extractor"
 DEFAULT_NAME = "Color extractor"
 
+# pylint: disable-next=home-assistant-duplicate-const
 SERVICE_TURN_ON = "turn_on"
diff --git a/homeassistant/components/conversation/const.py b/homeassistant/components/conversation/const.py
index 20fee62c47b9..cd832f882802 100644
--- a/homeassistant/components/conversation/const.py
+++ b/homeassistant/components/conversation/const.py
@@ -19,6 +19,7 @@ ATTR_AGENT_ID = "agent_id"
 ATTR_CONVERSATION_ID = "conversation_id"
 
 SERVICE_PROCESS = "process"
+# pylint: disable-next=home-assistant-duplicate-const
 SERVICE_RELOAD = "reload"
 
 DATA_COMPONENT: HassKey[EntityComponent[ConversationEntity]] = HassKey(DOMAIN)
diff --git a/homeassistant/components/deconz/const.py b/homeassistant/components/deconz/const.py
index 6edc9beaf38f..57e0856a2972 100644
--- a/homeassistant/components/deconz/const.py
+++ b/homeassistant/components/deconz/const.py
@@ -43,6 +43,7 @@ PLATFORMS = [
 ]
 
 ATTR_DARK = "dark"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_LOCKED = "locked"
 ATTR_OFFSET = "offset"
 ATTR_ON = "on"
diff --git a/homeassistant/components/drop_connect/const.py b/homeassistant/components/drop_connect/const.py
index f1012f9652c1..2db1e301d5cb 100644
--- a/homeassistant/components/drop_connect/const.py
+++ b/homeassistant/components/drop_connect/const.py
@@ -4,6 +4,7 @@
 CONF_COMMAND_TOPIC = "drop_command_topic"
 CONF_DATA_TOPIC = "drop_data_topic"
 CONF_DEVICE_DESC = "device_desc"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_DEVICE_ID = "device_id"
 CONF_DEVICE_TYPE = "device_type"
 CONF_HUB_ID = "drop_hub_id"
diff --git a/homeassistant/components/drop_connect/sensor.py b/homeassistant/components/drop_connect/sensor.py
index d21bc6932223..e963aaa04279 100644
--- a/homeassistant/components/drop_connect/sensor.py
+++ b/homeassistant/components/drop_connect/sensor.py
@@ -49,6 +49,7 @@ CURRENT_SYSTEM_PRESSURE = "current_system_pressure"
 HIGH_SYSTEM_PRESSURE = "high_system_pressure"
 LOW_SYSTEM_PRESSURE = "low_system_pressure"
 BATTERY = "battery"
+# pylint: disable-next=home-assistant-duplicate-const
 TEMPERATURE = "temperature"
 INLET_TDS = "inlet_tds"
 OUTLET_TDS = "outlet_tds"
diff --git a/homeassistant/components/elevenlabs/const.py b/homeassistant/components/elevenlabs/const.py
index a13c3e6a3bf5..43b062a2a947 100644
--- a/homeassistant/components/elevenlabs/const.py
+++ b/homeassistant/components/elevenlabs/const.py
@@ -1,8 +1,10 @@
 """Constants for the ElevenLabs text-to-speech integration."""
 
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_MODEL = "model"
 
 CONF_VOICE = "voice"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_MODEL = "model"
 CONF_CONFIGURE_VOICE = "configure_voice"
 CONF_STABILITY = "stability"
diff --git a/homeassistant/components/elkm1/alarm_control_panel.py b/homeassistant/components/elkm1/alarm_control_panel.py
index 8ec116036bf5..f06735ded8c5 100644
--- a/homeassistant/components/elkm1/alarm_control_panel.py
+++ b/homeassistant/components/elkm1/alarm_control_panel.py
@@ -43,6 +43,7 @@ DISPLAY_MESSAGE_SERVICE_SCHEMA: VolDictType = {
 }
 
 SERVICE_ALARM_DISPLAY_MESSAGE = "alarm_display_message"
+# pylint: disable-next=home-assistant-duplicate-const
 SERVICE_ALARM_ARM_VACATION = "alarm_arm_vacation"
 SERVICE_ALARM_ARM_HOME_INSTANT = "alarm_arm_home_instant"
 SERVICE_ALARM_ARM_NIGHT_INSTANT = "alarm_arm_night_instant"
diff --git a/homeassistant/components/elkm1/config_flow.py b/homeassistant/components/elkm1/config_flow.py
index fb134430632a..51071a6f9ff8 100644
--- a/homeassistant/components/elkm1/config_flow.py
+++ b/homeassistant/components/elkm1/config_flow.py
@@ -32,6 +32,7 @@ from .discovery import (
     async_update_entry_from_discovery,
 )
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_DEVICE = "device"
 
 NON_SECURE_PORT = 2101
diff --git a/homeassistant/components/energyid/const.py b/homeassistant/components/energyid/const.py
index 1fe5008fff82..e8b25e5ec1b9 100644
--- a/homeassistant/components/energyid/const.py
+++ b/homeassistant/components/energyid/const.py
@@ -8,6 +8,7 @@ NAME: Final = "EnergyID"
 # --- Config Flow and Entry Data ---
 CONF_PROVISIONING_KEY: Final = "provisioning_key"
 CONF_PROVISIONING_SECRET: Final = "provisioning_secret"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_DEVICE_ID: Final = "device_id"
 CONF_DEVICE_NAME: Final = "device_name"
 
diff --git a/homeassistant/components/fish_audio/const.py b/homeassistant/components/fish_audio/const.py
index 93f4c244d8ce..090f6864d9f0 100644
--- a/homeassistant/components/fish_audio/const.py
+++ b/homeassistant/components/fish_audio/const.py
@@ -5,12 +5,15 @@ from typing import Literal
 DOMAIN = "fish_audio"
 
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_NAME: Literal["name"] = "name"
 CONF_USER_ID: Literal["user_id"] = "user_id"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_API_KEY: Literal["api_key"] = "api_key"
 CONF_VOICE_ID: Literal["voice_id"] = "voice_id"
 CONF_BACKEND: Literal["backend"] = "backend"
 CONF_SELF_ONLY: Literal["self_only"] = "self_only"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_LANGUAGE: Literal["language"] = "language"
 CONF_SORT_BY: Literal["sort_by"] = "sort_by"
 CONF_LATENCY: Literal["latency"] = "latency"
diff --git a/homeassistant/components/fitbit/const.py b/homeassistant/components/fitbit/const.py
index bb503c7f348c..88b5c7cdf3af 100644
--- a/homeassistant/components/fitbit/const.py
+++ b/homeassistant/components/fitbit/const.py
@@ -13,6 +13,7 @@ ATTR_LAST_SAVED_AT: Final = "last_saved_at"
 
 ATTR_DURATION: Final = "duration"
 ATTR_DISTANCE: Final = "distance"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_ELEVATION: Final = "elevation"
 ATTR_HEIGHT: Final = "height"
 ATTR_WEIGHT: Final = "weight"
diff --git a/homeassistant/components/fujitsu_fglair/const.py b/homeassistant/components/fujitsu_fglair/const.py
index 73c811a1ed51..1596bc779097 100644
--- a/homeassistant/components/fujitsu_fglair/const.py
+++ b/homeassistant/components/fujitsu_fglair/const.py
@@ -7,6 +7,7 @@ API_REFRESH = timedelta(minutes=5)
 
 DOMAIN = "fujitsu_fglair"
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_REGION = "region"
 CONF_EUROPE = "is_europe"
 REGION_EU = "eu"
diff --git a/homeassistant/components/generic_hygrostat/__init__.py b/homeassistant/components/generic_hygrostat/__init__.py
index 5b3edcb976ef..5e5641868a9a 100644
--- a/homeassistant/components/generic_hygrostat/__init__.py
+++ b/homeassistant/components/generic_hygrostat/__init__.py
@@ -28,6 +28,7 @@ CONF_SENSOR = "target_sensor"
 CONF_MIN_HUMIDITY = "min_humidity"
 CONF_MAX_HUMIDITY = "max_humidity"
 CONF_TARGET_HUMIDITY = "target_humidity"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_DEVICE_CLASS = "device_class"
 CONF_MIN_DUR = "min_cycle_duration"
 CONF_DRY_TOLERANCE = "dry_tolerance"
diff --git a/homeassistant/components/google_generative_ai_conversation/const.py b/homeassistant/components/google_generative_ai_conversation/const.py
index f509c4a52fa6..2d77d2200199 100644
--- a/homeassistant/components/google_generative_ai_conversation/const.py
+++ b/homeassistant/components/google_generative_ai_conversation/const.py
@@ -15,6 +15,7 @@ DEFAULT_STT_NAME = "Google AI STT"
 DEFAULT_TTS_NAME = "Google AI TTS"
 DEFAULT_AI_TASK_NAME = "Google AI Task"
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_PROMPT = "prompt"
 DEFAULT_STT_PROMPT = "Transcribe the attached audio"
 
diff --git a/homeassistant/components/google_travel_time/const.py b/homeassistant/components/google_travel_time/const.py
index 6ae4dd419edb..abd910a1d043 100644
--- a/homeassistant/components/google_travel_time/const.py
+++ b/homeassistant/components/google_travel_time/const.py
@@ -12,6 +12,7 @@ DOMAIN = "google_travel_time"
 ATTRIBUTION = "Powered by Google"
 
 CONF_DESTINATION = "destination"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_OPTIONS = "options"
 CONF_ORIGIN = "origin"
 CONF_AVOID = "avoid"
diff --git a/homeassistant/components/gpsd/sensor.py b/homeassistant/components/gpsd/sensor.py
index 0efb15aee92f..b30d3a93f0b4 100644
--- a/homeassistant/components/gpsd/sensor.py
+++ b/homeassistant/components/gpsd/sensor.py
@@ -34,6 +34,7 @@ from .const import DOMAIN
 _LOGGER = logging.getLogger(__name__)
 
 ATTR_CLIMB = "climb"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_ELEVATION = "elevation"
 ATTR_SPEED = "speed"
 ATTR_TOTAL_SATELLITES = "total_satellites"
diff --git a/homeassistant/components/growatt_server/const.py b/homeassistant/components/growatt_server/const.py
index 555a5e305479..92445b612982 100644
--- a/homeassistant/components/growatt_server/const.py
+++ b/homeassistant/components/growatt_server/const.py
@@ -3,10 +3,12 @@
 from homeassistant.const import Platform
 
 CONF_PLANT_ID = "plant_id"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_REGION = "region"
 
 
 # API key support
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_API_KEY = "api_key"
 
 # Auth types for config flow
diff --git a/homeassistant/components/hassio/const.py b/homeassistant/components/hassio/const.py
index 42c6415fc28d..48879c7b7b61 100644
--- a/homeassistant/components/hassio/const.py
+++ b/homeassistant/components/hassio/const.py
@@ -131,9 +131,11 @@ ATTR_AUTO_UPDATE = "auto_update"
 ATTR_VERSION = "version"
 ATTR_VERSION_LATEST = "version_latest"
 ATTR_CPU_PERCENT = "cpu_percent"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_LOCATION = "location"
 ATTR_MEMORY_PERCENT = "memory_percent"
 ATTR_SLUG = "slug"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_STATE = "state"
 ATTR_STARTED = "started"
 ATTR_URL = "url"
diff --git a/homeassistant/components/hddtemp/sensor.py b/homeassistant/components/hddtemp/sensor.py
index 3e168ed52b5d..251d4f0f5abe 100644
--- a/homeassistant/components/hddtemp/sensor.py
+++ b/homeassistant/components/hddtemp/sensor.py
@@ -28,6 +28,7 @@ from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 _LOGGER = logging.getLogger(__name__)
 
 ATTR_DEVICE = "device"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_MODEL = "model"
 
 DEFAULT_HOST = "localhost"
diff --git a/homeassistant/components/hegel/const.py b/homeassistant/components/hegel/const.py
index 692ac267e5c1..587f380f4bf4 100644
--- a/homeassistant/components/hegel/const.py
+++ b/homeassistant/components/hegel/const.py
@@ -3,6 +3,7 @@
 DOMAIN = "hegel"
 DEFAULT_PORT = 50001
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_MODEL = "model"
 CONF_MAX_VOLUME = "max_volume"  # 1.0 means amp's internal max
 
diff --git a/homeassistant/components/hive/const.py b/homeassistant/components/hive/const.py
index 1b679086563a..3f43f29595c0 100644
--- a/homeassistant/components/hive/const.py
+++ b/homeassistant/components/hive/const.py
@@ -2,6 +2,7 @@
 
 from homeassistant.const import Platform
 
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_MODE = "mode"
 ATTR_TIME_PERIOD = "time_period"
 ATTR_ONOFF = "on_off"
diff --git a/homeassistant/components/homeassistant/triggers/state.py b/homeassistant/components/homeassistant/triggers/state.py
index 431d080ca097..55265284612c 100644
--- a/homeassistant/components/homeassistant/triggers/state.py
+++ b/homeassistant/components/homeassistant/triggers/state.py
@@ -32,6 +32,7 @@ from homeassistant.helpers.typing import ConfigType
 
 _LOGGER = logging.getLogger(__name__)
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_ENTITY_ID = "entity_id"
 CONF_FROM = "from"
 CONF_TO = "to"
diff --git a/homeassistant/components/homeassistant/triggers/time.py b/homeassistant/components/homeassistant/triggers/time.py
index 398a399f4c37..2cf5d8cf109f 100644
--- a/homeassistant/components/homeassistant/triggers/time.py
+++ b/homeassistant/components/homeassistant/triggers/time.py
@@ -38,6 +38,7 @@ from homeassistant.helpers.trigger import TriggerActionType, TriggerInfo
 from homeassistant.helpers.typing import ConfigType
 from homeassistant.util import dt as dt_util
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_WEEKDAY = "weekday"
 
 _TIME_TRIGGER_ENTITY = vol.All(str, cv.entity_domain(["input_datetime", "sensor"]))
diff --git a/homeassistant/components/homeworks/__init__.py b/homeassistant/components/homeworks/__init__.py
index f9531e759a78..435afe50a0a1 100644
--- a/homeassistant/components/homeworks/__init__.py
+++ b/homeassistant/components/homeworks/__init__.py
@@ -39,6 +39,7 @@ _LOGGER = logging.getLogger(__name__)
 
 PLATFORMS: list[Platform] = [Platform.BINARY_SENSOR, Platform.BUTTON, Platform.LIGHT]
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_COMMAND = "command"
 
 EVENT_BUTTON_PRESS = "homeworks_button_press"
diff --git a/homeassistant/components/html5/const.py b/homeassistant/components/html5/const.py
index cc0aeb282c7c..8f88a4e28a5c 100644
--- a/homeassistant/components/html5/const.py
+++ b/homeassistant/components/html5/const.py
@@ -15,6 +15,7 @@ ATTR_ACTIONS = "actions"
 ATTR_BADGE = "badge"
 ATTR_DATA = "data"
 ATTR_DIR = "dir"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_ICON = "icon"
 ATTR_IMAGE = "image"
 ATTR_LANG = "lang"
diff --git a/homeassistant/components/humidifier/condition.py b/homeassistant/components/humidifier/condition.py
index 406bdd88b8c7..3df1b7137e60 100644
--- a/homeassistant/components/humidifier/condition.py
+++ b/homeassistant/components/humidifier/condition.py
@@ -27,6 +27,7 @@ from .const import (
     HumidifierEntityFeature,
 )
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_MODE = "mode"
 
 IS_MODE_CONDITION_SCHEMA = ENTITY_STATE_CONDITION_SCHEMA_ANY_ALL.extend(
diff --git a/homeassistant/components/humidifier/trigger.py b/homeassistant/components/humidifier/trigger.py
index b0df91267337..2914536d0ef3 100644
--- a/homeassistant/components/humidifier/trigger.py
+++ b/homeassistant/components/humidifier/trigger.py
@@ -18,6 +18,7 @@ from homeassistant.helpers.trigger import (
 
 from .const import ATTR_ACTION, DOMAIN, HumidifierAction, HumidifierEntityFeature
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_MODE = "mode"
 
 MODE_CHANGED_TRIGGER_SCHEMA = ENTITY_STATE_TRIGGER_SCHEMA_FIRST_LAST.extend(
diff --git a/homeassistant/components/husqvarna_automower/event.py b/homeassistant/components/husqvarna_automower/event.py
index 8a907323e116..2e4b79e1da5a 100644
--- a/homeassistant/components/husqvarna_automower/event.py
+++ b/homeassistant/components/husqvarna_automower/event.py
@@ -23,7 +23,9 @@ _LOGGER = logging.getLogger(__name__)
 PARALLEL_UPDATES = 1
 
 ATTR_SEVERITY = "severity"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_LATITUDE = "latitude"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_LONGITUDE = "longitude"
 ATTR_DATE_TIME = "date_time"
 
diff --git a/homeassistant/components/input_select/__init__.py b/homeassistant/components/input_select/__init__.py
index 405790e96c62..74bf041b95eb 100644
--- a/homeassistant/components/input_select/__init__.py
+++ b/homeassistant/components/input_select/__init__.py
@@ -37,6 +37,7 @@ _LOGGER = logging.getLogger(__name__)
 DOMAIN = "input_select"
 
 CONF_INITIAL = "initial"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_OPTIONS = "options"
 
 SERVICE_SET_OPTIONS = "set_options"
diff --git a/homeassistant/components/intent_script/__init__.py b/homeassistant/components/intent_script/__init__.py
index f866a5004603..5d9e42b34a38 100644
--- a/homeassistant/components/intent_script/__init__.py
+++ b/homeassistant/components/intent_script/__init__.py
@@ -29,6 +29,7 @@ CONF_INTENTS = "intents"
 CONF_SPEECH = "speech"
 CONF_REPROMPT = "reprompt"
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_ACTION = "action"
 CONF_CARD = "card"
 CONF_TITLE = "title"
diff --git a/homeassistant/components/ios/const.py b/homeassistant/components/ios/const.py
index c9782aab1c77..e8d32c6dcecf 100644
--- a/homeassistant/components/ios/const.py
+++ b/homeassistant/components/ios/const.py
@@ -32,6 +32,7 @@ CONF_ACTION_LABEL_TEXT = "text"
 CONF_ACTION_ICON = "icon"
 CONF_ACTION_ICON_COLOR = "color"
 CONF_ACTION_ICON_ICON = "icon"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_ACTIONS = "actions"
 CONF_ACTION_SHOW_IN_CARPLAY = "show_in_carplay"
 CONF_ACTION_SHOW_IN_WATCH = "show_in_watch"
diff --git a/homeassistant/components/iperf3/__init__.py b/homeassistant/components/iperf3/__init__.py
index feca7e33f548..2e9d4785129f 100644
--- a/homeassistant/components/iperf3/__init__.py
+++ b/homeassistant/components/iperf3/__init__.py
@@ -34,6 +34,7 @@ DATA_UPDATED = f"{DOMAIN}_data_updated"
 _LOGGER = logging.getLogger(__name__)
 
 CONF_DURATION = "duration"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_PARALLEL = "parallel"
 CONF_MANUAL = "manual"
 
diff --git a/homeassistant/components/isy994/services.py b/homeassistant/components/isy994/services.py
index d66060937b73..321caffaffae 100644
--- a/homeassistant/components/isy994/services.py
+++ b/homeassistant/components/isy994/services.py
@@ -38,6 +38,7 @@ SERVICE_DELETE_ZWAVE_LOCK_USER_CODE = "delete_zwave_lock_user_code"
 CONF_PARAMETER = "parameter"
 CONF_PARAMETERS = "parameters"
 CONF_USER_NUM = "user_num"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_CODE = "code"
 CONF_VALUE = "value"
 CONF_INIT = "init"
diff --git a/homeassistant/components/jewish_calendar/const.py b/homeassistant/components/jewish_calendar/const.py
index b3a0dea5da0a..7146a3fad0c6 100644
--- a/homeassistant/components/jewish_calendar/const.py
+++ b/homeassistant/components/jewish_calendar/const.py
@@ -3,6 +3,7 @@
 DOMAIN = "jewish_calendar"
 
 ATTR_AFTER_SUNSET = "after_sunset"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_DATE = "date"
 ATTR_NUSACH = "nusach"
 
diff --git a/homeassistant/components/kiosker/const.py b/homeassistant/components/kiosker/const.py
index d358be495e71..25232e1848f6 100644
--- a/homeassistant/components/kiosker/const.py
+++ b/homeassistant/components/kiosker/const.py
@@ -3,6 +3,7 @@
 DOMAIN = "kiosker"
 
 # Configuration keys
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_API_TOKEN = "api_token"
 
 # Default values
diff --git a/homeassistant/components/linux_battery/sensor.py b/homeassistant/components/linux_battery/sensor.py
index b974aac7b363..59fe82e5265f 100644
--- a/homeassistant/components/linux_battery/sensor.py
+++ b/homeassistant/components/linux_battery/sensor.py
@@ -28,6 +28,7 @@ ATTR_CYCLE_COUNT = "cycle_count"
 ATTR_ENERGY_FULL = "energy_full"
 ATTR_ENERGY_FULL_DESIGN = "energy_full_design"
 ATTR_ENERGY_NOW = "energy_now"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_MANUFACTURER = "manufacturer"
 ATTR_MODEL_NAME = "model_name"
 ATTR_POWER_NOW = "power_now"
diff --git a/homeassistant/components/marantz_infrared/const.py b/homeassistant/components/marantz_infrared/const.py
index d45e7c14215e..e89968c51bed 100644
--- a/homeassistant/components/marantz_infrared/const.py
+++ b/homeassistant/components/marantz_infrared/const.py
@@ -6,6 +6,7 @@ from homeassistant.util import slugify
 
 DOMAIN = "marantz_infrared"
 CONF_INFRARED_EMITTER_ENTITY_ID = "infrared_emitter_entity_id"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_MODEL = "model"
 
 MODELS: dict[str, marantz_models.MarantzModel] = {
diff --git a/homeassistant/components/mastodon/const.py b/homeassistant/components/mastodon/const.py
index 805c01ad7627..85da7fb7d9c3 100644
--- a/homeassistant/components/mastodon/const.py
+++ b/homeassistant/components/mastodon/const.py
@@ -31,6 +31,7 @@ ATTR_AVATAR = "avatar"
 ATTR_AVATAR_MIME_TYPE = "avatar_mime_type"
 ATTR_HEADER = "header"
 ATTR_HEADER_MIME_TYPE = "header_mime_type"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_LOCKED = "locked"
 ATTR_BOT = "bot"
 ATTR_DISCOVERABLE = "discoverable"
diff --git a/homeassistant/components/mcp/const.py b/homeassistant/components/mcp/const.py
index 19fad8f47369..e33e32e6d828 100644
--- a/homeassistant/components/mcp/const.py
+++ b/homeassistant/components/mcp/const.py
@@ -2,6 +2,7 @@
 
 DOMAIN = "mcp"
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_ACCESS_TOKEN = "access_token"
 CONF_AUTHORIZATION_URL = "authorization_url"
 CONF_TOKEN_URL = "token_url"
diff --git a/homeassistant/components/mcp_server/http.py b/homeassistant/components/mcp_server/http.py
index 980015bc3a44..205684d00088 100644
--- a/homeassistant/components/mcp_server/http.py
+++ b/homeassistant/components/mcp_server/http.py
@@ -57,6 +57,7 @@ STREAMABLE_API = "/api/mcp"
 TIMEOUT = 60  # Seconds
 
 # Content types
+# pylint: disable-next=home-assistant-duplicate-const
 CONTENT_TYPE_JSON = "application/json"
 
 # Legacy SSE endpoint
diff --git a/homeassistant/components/meteoalarm/binary_sensor.py b/homeassistant/components/meteoalarm/binary_sensor.py
index b96da4ead1ee..4dd40c88b4ce 100644
--- a/homeassistant/components/meteoalarm/binary_sensor.py
+++ b/homeassistant/components/meteoalarm/binary_sensor.py
@@ -22,7 +22,9 @@ _LOGGER = logging.getLogger(__name__)
 
 ATTRIBUTION = "Information provided by MeteoAlarm"
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_COUNTRY = "country"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_LANGUAGE = "language"
 CONF_PROVINCE = "province"
 
diff --git a/homeassistant/components/mikrotik/const.py b/homeassistant/components/mikrotik/const.py
index 772c956b54b9..a13cd9804bd7 100644
--- a/homeassistant/components/mikrotik/const.py
+++ b/homeassistant/components/mikrotik/const.py
@@ -10,6 +10,7 @@ DEFAULT_DETECTION_TIME: Final = 300
 ATTR_MANUFACTURER: Final = "Mikrotik"
 ATTR_SERIAL_NUMBER: Final = "serial-number"
 ATTR_FIRMWARE: Final = "current-firmware"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_MODEL: Final = "model"
 
 CONF_ARP_PING: Final = "arp_ping"
diff --git a/homeassistant/components/minio/__init__.py b/homeassistant/components/minio/__init__.py
index 30f66c88dad2..918e42825092 100644
--- a/homeassistant/components/minio/__init__.py
+++ b/homeassistant/components/minio/__init__.py
@@ -17,7 +17,9 @@ from .minio_helper import MinioEventThread, create_minio_client
 _LOGGER = logging.getLogger(__name__)
 
 DOMAIN = "minio"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_HOST = "host"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_PORT = "port"
 CONF_ACCESS_KEY = "access_key"
 CONF_SECRET_KEY = "secret_key"
diff --git a/homeassistant/components/mobile_app/const.py b/homeassistant/components/mobile_app/const.py
index cd88ac6131f1..455642546955 100644
--- a/homeassistant/components/mobile_app/const.py
+++ b/homeassistant/components/mobile_app/const.py
@@ -27,7 +27,9 @@ ATTR_APP_ID = "app_id"
 ATTR_APP_NAME = "app_name"
 ATTR_APP_VERSION = "app_version"
 ATTR_DEVICE_NAME = "device_name"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_MANUFACTURER = "manufacturer"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_MODEL = "model"
 ATTR_NO_LEGACY_ENCRYPTION = "no_legacy_encryption"
 ATTR_OS_NAME = "os_name"
diff --git a/homeassistant/components/motioneye/const.py b/homeassistant/components/motioneye/const.py
index 9350747ca5fe..91c26699e409 100644
--- a/homeassistant/components/motioneye/const.py
+++ b/homeassistant/components/motioneye/const.py
@@ -29,6 +29,7 @@ DOMAIN: Final = "motioneye"
 ATTR_EVENT_TYPE: Final = "event_type"
 ATTR_WEBHOOK_ID: Final = "webhook_id"
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_ACTION: Final = "action"
 CONF_ADMIN_PASSWORD: Final = "admin_password"
 CONF_ADMIN_USERNAME: Final = "admin_username"
diff --git a/homeassistant/components/mqtt/const.py b/homeassistant/components/mqtt/const.py
index 59878ac4a9a8..98cb304392b6 100644
--- a/homeassistant/components/mqtt/const.py
+++ b/homeassistant/components/mqtt/const.py
@@ -15,6 +15,7 @@ ATTR_MESSAGE_EXPIRY_INTERVAL = "message_expiry_interval"
 ATTR_PAYLOAD = "payload"
 ATTR_QOS = "qos"
 ATTR_RETAIN = "retain"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_SERIAL_NUMBER = "serial_number"
 ATTR_TOPIC = "topic"
 
@@ -50,6 +51,7 @@ CONF_IMAGE_TOPIC = "image_topic"
 CONF_JSON_ATTRS_TOPIC = "json_attributes_topic"
 CONF_JSON_ATTRS_TEMPLATE = "json_attributes_template"
 CONF_KEEPALIVE = "keepalive"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_OPTIONS = "options"
 CONF_ORIGIN = "origin"
 CONF_QOS = ATTR_QOS
diff --git a/homeassistant/components/mqtt/humidifier.py b/homeassistant/components/mqtt/humidifier.py
index 5e6c4a548142..003aef0f1c42 100644
--- a/homeassistant/components/mqtt/humidifier.py
+++ b/homeassistant/components/mqtt/humidifier.py
@@ -60,6 +60,7 @@ from .util import valid_publish_topic, valid_subscribe_topic
 PARALLEL_UPDATES = 0
 
 CONF_AVAILABLE_MODES_LIST = "modes"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_DEVICE_CLASS = "device_class"
 CONF_MODE_COMMAND_TEMPLATE = "mode_command_template"
 CONF_MODE_COMMAND_TOPIC = "mode_command_topic"
diff --git a/homeassistant/components/mqtt/vacuum.py b/homeassistant/components/mqtt/vacuum.py
index cc5cd38e71a0..f24150a647ab 100644
--- a/homeassistant/components/mqtt/vacuum.py
+++ b/homeassistant/components/mqtt/vacuum.py
@@ -36,9 +36,11 @@ FAN_SPEED = "fan_speed"
 SEGMENTS = "segments"
 STATE = "state"
 
+# pylint: disable-next=home-assistant-duplicate-const
 STATE_IDLE = "idle"
 STATE_DOCKED = "docked"
 STATE_ERROR = "error"
+# pylint: disable-next=home-assistant-duplicate-const
 STATE_PAUSED = "paused"
 STATE_RETURNING = "returning"
 STATE_CLEANING = "cleaning"
diff --git a/homeassistant/components/music_assistant/const.py b/homeassistant/components/music_assistant/const.py
index 035da439db61..93f33aa9f793 100644
--- a/homeassistant/components/music_assistant/const.py
+++ b/homeassistant/components/music_assistant/const.py
@@ -12,6 +12,7 @@ AUTH_SCHEMA_VERSION = 28
 # Schema version where hassio discovery support was added
 HASSIO_DISCOVERY_SCHEMA_VERSION = 28
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_TOKEN = "token"
 
 ATTR_IS_GROUP = "is_group"
diff --git a/homeassistant/components/netatmo/const.py b/homeassistant/components/netatmo/const.py
index b10d2309770d..244d0bccba06 100644
--- a/homeassistant/components/netatmo/const.py
+++ b/homeassistant/components/netatmo/const.py
@@ -92,6 +92,7 @@ ATTR_HOME_ID = "home_id"
 ATTR_HOME_NAME = "home_name"
 ATTR_IS_KNOWN = "is_known"
 ATTR_PERSON = "person"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_PERSONS = "persons"
 ATTR_PSEUDO = "pseudo"
 ATTR_SCHEDULE_ID = "schedule_id"
diff --git a/homeassistant/components/nfandroidtv/const.py b/homeassistant/components/nfandroidtv/const.py
index cd4b99d09818..b9b660ad13b4 100644
--- a/homeassistant/components/nfandroidtv/const.py
+++ b/homeassistant/components/nfandroidtv/const.py
@@ -27,6 +27,7 @@ ATTR_IMAGE_PATH = "path"
 ATTR_IMAGE_USERNAME = "username"
 ATTR_IMAGE_PASSWORD = "password"
 ATTR_IMAGE_AUTH = "auth"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_ICON = "icon"
 # Attributes contained in icon
 ATTR_ICON_URL = "url"
diff --git a/homeassistant/components/nice_go/const.py b/homeassistant/components/nice_go/const.py
index c02bcb3c2349..4713be5dc717 100644
--- a/homeassistant/components/nice_go/const.py
+++ b/homeassistant/components/nice_go/const.py
@@ -8,6 +8,7 @@ DOMAIN = "nice_go"
 
 # Configuration
 CONF_SITE_ID = "site_id"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_DEVICE_ID = "device_id"
 CONF_REFRESH_TOKEN = "refresh_token"
 CONF_REFRESH_TOKEN_CREATION_TIME = "refresh_token_creation_time"
diff --git a/homeassistant/components/nina/const.py b/homeassistant/components/nina/const.py
index 6953a63e9a0b..2099ead335e5 100644
--- a/homeassistant/components/nina/const.py
+++ b/homeassistant/components/nina/const.py
@@ -29,6 +29,7 @@ ATTR_SEVERITY: str = "severity"
 ATTR_RECOMMENDED_ACTIONS: str = "recommended_actions"
 ATTR_AFFECTED_AREAS: str = "affected_areas"
 ATTR_WEB: str = "web"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_ID: str = "id"
 ATTR_SENT: str = "sent"
 ATTR_START: str = "start"
diff --git a/homeassistant/components/nmbs/const.py b/homeassistant/components/nmbs/const.py
index 04c8beb327d7..7c458787d685 100644
--- a/homeassistant/components/nmbs/const.py
+++ b/homeassistant/components/nmbs/const.py
@@ -13,6 +13,7 @@ CONF_STATION_FROM = "station_from"
 CONF_STATION_TO = "station_to"
 CONF_STATION_LIVE = "station_live"
 CONF_EXCLUDE_VIAS = "exclude_vias"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_SHOW_ON_MAP = "show_on_map"
 
 
diff --git a/homeassistant/components/novy_cooker_hood/const.py b/homeassistant/components/novy_cooker_hood/const.py
index e46aa3f3e1d2..1169ccc0423d 100644
--- a/homeassistant/components/novy_cooker_hood/const.py
+++ b/homeassistant/components/novy_cooker_hood/const.py
@@ -7,6 +7,7 @@ from rf_protocols import ModulationType
 DOMAIN: Final = "novy_cooker_hood"
 
 CONF_TRANSMITTER: Final = "transmitter"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_CODE: Final = "code"
 
 CODE_MIN: Final = 1
diff --git a/homeassistant/components/ntfy/services.py b/homeassistant/components/ntfy/services.py
index 45d87e5b9bb3..46e5a065379f 100644
--- a/homeassistant/components/ntfy/services.py
+++ b/homeassistant/components/ntfy/services.py
@@ -26,6 +26,7 @@ ATTR_CALL = "call"
 ATTR_CLICK = "click"
 ATTR_DELAY = "delay"
 ATTR_EMAIL = "email"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_ICON = "icon"
 ATTR_MARKDOWN = "markdown"
 ATTR_PRIORITY = "priority"
diff --git a/homeassistant/components/numato/__init__.py b/homeassistant/components/numato/__init__.py
index d3882bea290c..651577f6e168 100644
--- a/homeassistant/components/numato/__init__.py
+++ b/homeassistant/components/numato/__init__.py
@@ -28,6 +28,7 @@ DOMAIN = "numato"
 
 CONF_INVERT_LOGIC = "invert_logic"
 CONF_DISCOVER = "discover"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_DEVICES = "devices"
 CONF_DEVICE_ID = "id"
 CONF_PORTS = "ports"
diff --git a/homeassistant/components/ollama/const.py b/homeassistant/components/ollama/const.py
index ac645145c023..0b540c0b3734 100644
--- a/homeassistant/components/ollama/const.py
+++ b/homeassistant/components/ollama/const.py
@@ -4,7 +4,9 @@ DOMAIN = "ollama"
 
 DEFAULT_NAME = "Ollama"
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_MODEL = "model"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_PROMPT = "prompt"
 CONF_THINK = "think"
 
diff --git a/homeassistant/components/onkyo/config_flow.py b/homeassistant/components/onkyo/config_flow.py
index f4a85f56acb0..2561ada34e50 100644
--- a/homeassistant/components/onkyo/config_flow.py
+++ b/homeassistant/components/onkyo/config_flow.py
@@ -47,6 +47,7 @@ from .util import get_meaning
 
 _LOGGER = logging.getLogger(__name__)
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_DEVICE = "device"
 
 INPUT_SOURCES_DEFAULT: list[InputSource] = []
diff --git a/homeassistant/components/openai_conversation/const.py b/homeassistant/components/openai_conversation/const.py
index 11fd3b69e140..03a8a9be3c39 100644
--- a/homeassistant/components/openai_conversation/const.py
+++ b/homeassistant/components/openai_conversation/const.py
@@ -20,6 +20,7 @@ CONF_IMAGE_MODEL = "image_model"
 CONF_CODE_INTERPRETER = "code_interpreter"
 CONF_FILENAMES = "filenames"
 CONF_MAX_TOKENS = "max_tokens"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_PROMPT = "prompt"
 CONF_REASONING_EFFORT = "reasoning_effort"
 CONF_REASONING_SUMMARY = "reasoning_summary"
diff --git a/homeassistant/components/openerz/sensor.py b/homeassistant/components/openerz/sensor.py
index d78d0feea221..5d05a44a6871 100644
--- a/homeassistant/components/openerz/sensor.py
+++ b/homeassistant/components/openerz/sensor.py
@@ -18,6 +18,7 @@ SCAN_INTERVAL = timedelta(hours=12)
 
 CONF_ZIP = "zip"
 CONF_WASTE_TYPE = "waste_type"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_NAME = "name"
 
 PLATFORM_SCHEMA = SENSOR_PLATFORM_SCHEMA.extend(
diff --git a/homeassistant/components/openevse/const.py b/homeassistant/components/openevse/const.py
index e15becdcec30..392a2eb50640 100644
--- a/homeassistant/components/openevse/const.py
+++ b/homeassistant/components/openevse/const.py
@@ -1,5 +1,6 @@
 """Constants for the OpenEVSE integration."""
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_ID = "id"
 CONF_SERIAL = "serial"
 DOMAIN = "openevse"
diff --git a/homeassistant/components/osoenergy/water_heater.py b/homeassistant/components/osoenergy/water_heater.py
index 2c76d7e3b052..fb71172765fa 100644
--- a/homeassistant/components/osoenergy/water_heater.py
+++ b/homeassistant/components/osoenergy/water_heater.py
@@ -45,7 +45,9 @@ SERVICE_GET_PROFILE = "get_profile"
 SERVICE_SET_PROFILE = "set_profile"
 SERVICE_SET_V40MIN = "set_v40_min"
 SERVICE_TURN_AWAY_MODE_ON = "turn_away_mode_on"
+# pylint: disable-next=home-assistant-duplicate-const
 SERVICE_TURN_OFF = "turn_off"
+# pylint: disable-next=home-assistant-duplicate-const
 SERVICE_TURN_ON = "turn_on"
 
 
diff --git a/homeassistant/components/panasonic_viera/const.py b/homeassistant/components/panasonic_viera/const.py
index f76c01e396bc..1c87f2227d37 100644
--- a/homeassistant/components/panasonic_viera/const.py
+++ b/homeassistant/components/panasonic_viera/const.py
@@ -15,6 +15,7 @@ ATTR_REMOTE = "remote"
 
 ATTR_DEVICE_INFO = "device_info"
 ATTR_FRIENDLY_NAME = "friendlyName"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_MANUFACTURER = "manufacturer"
 ATTR_MODEL_NUMBER = "modelNumber"
 ATTR_UDN = "UDN"
diff --git a/homeassistant/components/profiler/__init__.py b/homeassistant/components/profiler/__init__.py
index 18e0e73c4d63..295b8cc6a83e 100644
--- a/homeassistant/components/profiler/__init__.py
+++ b/homeassistant/components/profiler/__init__.py
@@ -70,6 +70,7 @@ DEFAULT_SCAN_INTERVAL = timedelta(seconds=30)
 
 DEFAULT_MAX_OBJECTS = 5
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_ENABLED = "enabled"
 CONF_SECONDS = "seconds"
 CONF_MAX_OBJECTS = "max_objects"
diff --git a/homeassistant/components/proxmoxve/const.py b/homeassistant/components/proxmoxve/const.py
index cd7bd7db54b6..cad6eac21274 100644
--- a/homeassistant/components/proxmoxve/const.py
+++ b/homeassistant/components/proxmoxve/const.py
@@ -7,6 +7,7 @@ CONF_AUTH_METHOD = "auth_method"
 CONF_REALM = "realm"
 CONF_NODE = "node"
 CONF_NODES = "nodes"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_TOKEN = "token"
 CONF_TOKEN_ID = "token_id"
 CONF_TOKEN_SECRET = "token_value"
diff --git a/homeassistant/components/rainmachine/__init__.py b/homeassistant/components/rainmachine/__init__.py
index e0c6a3414ed0..db6bfdb1dcf4 100644
--- a/homeassistant/components/rainmachine/__init__.py
+++ b/homeassistant/components/rainmachine/__init__.py
@@ -67,6 +67,7 @@ PLATFORMS = [
     Platform.UPDATE,
 ]
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_CONDITION = "condition"
 CONF_DEWPOINT = "dewpoint"
 CONF_ET = "et"
diff --git a/homeassistant/components/renault/services.py b/homeassistant/components/renault/services.py
index 971381330059..f9d4d8b6e416 100644
--- a/homeassistant/components/renault/services.py
+++ b/homeassistant/components/renault/services.py
@@ -19,6 +19,7 @@ if TYPE_CHECKING:
 LOGGER = logging.getLogger(__name__)
 
 ATTR_SCHEDULES = "schedules"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_TEMPERATURE = "temperature"
 ATTR_VEHICLE = "vehicle"
 ATTR_WHEN = "when"
diff --git a/homeassistant/components/roborock/const.py b/homeassistant/components/roborock/const.py
index 1ed0df695b86..9ba609887cf2 100644
--- a/homeassistant/components/roborock/const.py
+++ b/homeassistant/components/roborock/const.py
@@ -13,6 +13,7 @@ CONF_USER_DATA = "user_data"
 CONF_SHOW_BACKGROUND = "show_background"
 CONF_SHOW_WALLS = "show_walls"
 CONF_SHOW_ROOMS = "show_rooms"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_REGION = "region"
 REGION_OPTIONS = ["auto", "us", "eu", "ru", "cn"]
 
diff --git a/homeassistant/components/select/const.py b/homeassistant/components/select/const.py
index 1e2aa488e8bf..38a1b6169b85 100644
--- a/homeassistant/components/select/const.py
+++ b/homeassistant/components/select/const.py
@@ -4,6 +4,7 @@ DOMAIN = "select"
 
 ATTR_CYCLE = "cycle"
 ATTR_OPTIONS = "options"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_OPTION = "option"
 
 CONF_CYCLE = "cycle"
@@ -12,5 +13,6 @@ CONF_OPTION = "option"
 SERVICE_SELECT_FIRST = "select_first"
 SERVICE_SELECT_LAST = "select_last"
 SERVICE_SELECT_NEXT = "select_next"
+# pylint: disable-next=home-assistant-duplicate-const
 SERVICE_SELECT_OPTION = "select_option"
 SERVICE_SELECT_PREVIOUS = "select_previous"
diff --git a/homeassistant/components/sftp_storage/const.py b/homeassistant/components/sftp_storage/const.py
index c4cac7d19b65..9a7a57a6dd1e 100644
--- a/homeassistant/components/sftp_storage/const.py
+++ b/homeassistant/components/sftp_storage/const.py
@@ -10,9 +10,13 @@ DOMAIN: Final = "sftp_storage"
 
 LOGGER = logging.getLogger(__package__)
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_HOST: Final = "host"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_PORT: Final = "port"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_USERNAME: Final = "username"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_PASSWORD: Final = "password"
 CONF_PRIVATE_KEY_FILE: Final = "private_key_file"
 CONF_BACKUP_LOCATION: Final = "backup_location"
diff --git a/homeassistant/components/skybeacon/sensor.py b/homeassistant/components/skybeacon/sensor.py
index 9d460c815100..abe03a45e2f6 100644
--- a/homeassistant/components/skybeacon/sensor.py
+++ b/homeassistant/components/skybeacon/sensor.py
@@ -30,6 +30,7 @@ from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
 _LOGGER = logging.getLogger(__name__)
 
 ATTR_DEVICE = "device"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_MODEL = "model"
 
 BLE_TEMP_HANDLE = 0x24
diff --git a/homeassistant/components/sleepiq/const.py b/homeassistant/components/sleepiq/const.py
index 0efb8e94ebe5..ac15986562f4 100644
--- a/homeassistant/components/sleepiq/const.py
+++ b/homeassistant/components/sleepiq/const.py
@@ -11,6 +11,7 @@ FIRMNESS = "firmness"
 ICON_EMPTY = "mdi:bed-empty"
 ICON_OCCUPIED = "mdi:bed"
 IS_IN_BED = "is_in_bed"
+# pylint: disable-next=home-assistant-duplicate-const
 PRESSURE = "pressure"
 SLEEP_NUMBER = "sleep_number"
 FOOT_WARMING_TIMER = "foot_warming_timer"
diff --git a/homeassistant/components/slide_local/const.py b/homeassistant/components/slide_local/const.py
index 9dc6d4ac9257..168bb3679832 100644
--- a/homeassistant/components/slide_local/const.py
+++ b/homeassistant/components/slide_local/const.py
@@ -3,6 +3,7 @@
 API_LOCAL = "api_local"
 ATTR_TOUCHGO = "touchgo"
 CONF_INVERT_POSITION = "invert_position"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_VERIFY_SSL = "verify_ssl"
 DOMAIN = "slide_local"
 SLIDES = "slides"
diff --git a/homeassistant/components/smarttub/sensor.py b/homeassistant/components/smarttub/sensor.py
index 735229079a42..1e43e5f5674b 100644
--- a/homeassistant/components/smarttub/sensor.py
+++ b/homeassistant/components/smarttub/sensor.py
@@ -19,6 +19,7 @@ from .entity import SmartTubOnboardSensorBase
 # the desired duration, in hours, of the cycle
 ATTR_DURATION = "duration"
 ATTR_CYCLE_LAST_UPDATED = "cycle_last_updated"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_MODE = "mode"
 # the hour of the day at which to start the cycle (0-23)
 ATTR_START_HOUR = "start_hour"
diff --git a/homeassistant/components/smtp/const.py b/homeassistant/components/smtp/const.py
index 1fa077a24fb8..9dd60b8bed17 100644
--- a/homeassistant/components/smtp/const.py
+++ b/homeassistant/components/smtp/const.py
@@ -9,6 +9,7 @@ ATTR_HTML: Final = "html"
 ATTR_SENDER_NAME: Final = "sender_name"
 
 CONF_ENCRYPTION: Final = "encryption"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_DEBUG: Final = "debug"
 CONF_SERVER: Final = "server"
 CONF_SENDER_NAME: Final = "sender_name"
diff --git a/homeassistant/components/squeezebox/const.py b/homeassistant/components/squeezebox/const.py
index d1e80e4a48fe..f4e882e05411 100644
--- a/homeassistant/components/squeezebox/const.py
+++ b/homeassistant/components/squeezebox/const.py
@@ -51,6 +51,7 @@ ATTR_DAYS_OF_WEEK = "dow"
 ATTR_ENABLED = "enabled"
 ATTR_REPEAT = "repeat"
 ATTR_SCHEDULED_TODAY = "scheduled_today"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_TIME = "time"
 ATTR_VOLUME = "volume"
 ATTR_URL = "url"
diff --git a/homeassistant/components/subaru/const.py b/homeassistant/components/subaru/const.py
index 0ff9d6bec2cb..d751471cc5a3 100644
--- a/homeassistant/components/subaru/const.py
+++ b/homeassistant/components/subaru/const.py
@@ -38,9 +38,11 @@ PLATFORMS = [
     Platform.SENSOR,
 ]
 
+# pylint: disable-next=home-assistant-duplicate-const
 SERVICE_LOCK = "lock"
 SERVICE_REMOTE_START = "remote_start"
 SERVICE_REMOTE_STOP = "remote_stop"
+# pylint: disable-next=home-assistant-duplicate-const
 SERVICE_UNLOCK = "unlock"
 SERVICE_UNLOCK_SPECIFIC_DOOR = "unlock_specific_door"
 
diff --git a/homeassistant/components/surepetcare/const.py b/homeassistant/components/surepetcare/const.py
index e0940b410025..e01f2d5e51a6 100644
--- a/homeassistant/components/surepetcare/const.py
+++ b/homeassistant/components/surepetcare/const.py
@@ -18,6 +18,7 @@ SURE_BATT_VOLTAGE_DIFF = SURE_BATT_VOLTAGE_FULL - SURE_BATT_VOLTAGE_LOW
 SERVICE_SET_LOCK_STATE = "set_lock_state"
 SERVICE_SET_PET_LOCATION = "set_pet_location"
 ATTR_FLAP_ID = "flap_id"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_LOCATION = "location"
 ATTR_LOCK_STATE = "lock_state"
 ATTR_PET_NAME = "pet_name"
diff --git a/homeassistant/components/telegram_bot/const.py b/homeassistant/components/telegram_bot/const.py
index 7079cd2dc84b..6d273c382a58 100644
--- a/homeassistant/components/telegram_bot/const.py
+++ b/homeassistant/components/telegram_bot/const.py
@@ -87,6 +87,7 @@ ATTR_CALLBACK_QUERY_ID = "callback_query_id"
 ATTR_CAPTION = "caption"
 ATTR_CHAT_ID = "chat_id"
 ATTR_CHAT_INSTANCE = "chat_instance"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_DATE = "date"
 ATTR_DISABLE_NOTIF = "disable_notification"
 ATTR_DISABLE_WEB_PREV = "disable_web_page_preview"
diff --git a/homeassistant/components/template/light.py b/homeassistant/components/template/light.py
index 5faa27eb0e7a..4be06329ee1c 100644
--- a/homeassistant/components/template/light.py
+++ b/homeassistant/components/template/light.py
@@ -57,6 +57,7 @@ _LOGGER = logging.getLogger(__name__)
 # Legacy
 ATTR_COLOR_TEMP = "color_temp"
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_HS = "hs"
 CONF_HS_ACTION = "set_hs"
 CONF_RGB_ACTION = "set_rgb"
diff --git a/homeassistant/components/template/select.py b/homeassistant/components/template/select.py
index 1f8d55e17d0b..b3116728edaf 100644
--- a/homeassistant/components/template/select.py
+++ b/homeassistant/components/template/select.py
@@ -40,6 +40,7 @@ from .trigger_entity import TriggerEntity
 
 _LOGGER = logging.getLogger(__name__)
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_OPTIONS = "options"
 CONF_SELECT_OPTION = "select_option"
 
diff --git a/homeassistant/components/template/weather.py b/homeassistant/components/template/weather.py
index 746be20cfbb9..9f431d872ba8 100644
--- a/homeassistant/components/template/weather.py
+++ b/homeassistant/components/template/weather.py
@@ -95,6 +95,7 @@ CONF_ATTRIBUTION = "attribution"
 CONF_ATTRIBUTION_TEMPLATE = "attribution_template"
 CONF_CLOUD_COVERAGE = "cloud_coverage"
 CONF_CLOUD_COVERAGE_TEMPLATE = "cloud_coverage_template"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_CONDITION = "condition"
 CONF_CONDITION_TEMPLATE = "condition_template"
 CONF_DEW_POINT = "dew_point"
diff --git a/homeassistant/components/tesla_fleet/const.py b/homeassistant/components/tesla_fleet/const.py
index 6faf270f1fbf..4f962995409e 100644
--- a/homeassistant/components/tesla_fleet/const.py
+++ b/homeassistant/components/tesla_fleet/const.py
@@ -7,6 +7,7 @@ from tesla_fleet_api.const import Scope
 
 DOMAIN = "tesla_fleet"
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_DOMAIN = "domain"
 CONF_REFRESH_TOKEN = "refresh_token"
 
diff --git a/homeassistant/components/teslemetry/services.py b/homeassistant/components/teslemetry/services.py
index 1fde9038100e..d72fbc6f888a 100644
--- a/homeassistant/components/teslemetry/services.py
+++ b/homeassistant/components/teslemetry/services.py
@@ -18,16 +18,19 @@ from .models import TeslemetryEnergyData, TeslemetryVehicleData
 _LOGGER = logging.getLogger(__name__)
 
 # Attributes
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_ID = "id"
 ATTR_GPS = "gps"
 ATTR_TYPE = "type"
 ATTR_VALUE = "value"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_LOCATION = "location"
 ATTR_LOCALE = "locale"
 ATTR_ORDER = "order"
 ATTR_TIMESTAMP = "timestamp"
 ATTR_FIELDS = "fields"
 ATTR_ENABLE = "enable"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_TIME = "time"
 ATTR_PIN = "pin"
 ATTR_TOU_SETTINGS = "tou_settings"
@@ -41,6 +44,7 @@ ATTR_DAYS_OF_WEEK = "days_of_week"
 ATTR_START_TIME = "start_time"
 ATTR_END_TIME = "end_time"
 ATTR_ONE_TIME = "one_time"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_NAME = "name"
 ATTR_PRECONDITION_TIME = "precondition_time"
 
diff --git a/homeassistant/components/text/const.py b/homeassistant/components/text/const.py
index 3670c30120b3..d62446dbf694 100644
--- a/homeassistant/components/text/const.py
+++ b/homeassistant/components/text/const.py
@@ -4,6 +4,7 @@ DOMAIN = "text"
 
 ATTR_MAX = "max"
 ATTR_MIN = "min"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_MODE = "mode"
 ATTR_PATTERN = "pattern"
 ATTR_VALUE = "value"
diff --git a/homeassistant/components/tilt_pi/sensor.py b/homeassistant/components/tilt_pi/sensor.py
index 4ce40e70bdb9..5244cfff7503 100644
--- a/homeassistant/components/tilt_pi/sensor.py
+++ b/homeassistant/components/tilt_pi/sensor.py
@@ -23,6 +23,7 @@ from .entity import TiltEntity
 # Coordinator is used to centralize the data updates
 PARALLEL_UPDATES = 0
 
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_TEMPERATURE = "temperature"
 ATTR_GRAVITY = "gravity"
 
diff --git a/homeassistant/components/time_date/const.py b/homeassistant/components/time_date/const.py
index 2163fe76bdb2..28d90016cf13 100644
--- a/homeassistant/components/time_date/const.py
+++ b/homeassistant/components/time_date/const.py
@@ -4,6 +4,7 @@ from typing import Final
 
 from homeassistant.const import Platform
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_DISPLAY_OPTIONS = "display_options"
 DOMAIN: Final = "time_date"
 PLATFORMS = [Platform.SENSOR]
diff --git a/homeassistant/components/tplink_omada/services.py b/homeassistant/components/tplink_omada/services.py
index ebe42271a8ab..7c7fdfbb0b34 100644
--- a/homeassistant/components/tplink_omada/services.py
+++ b/homeassistant/components/tplink_omada/services.py
@@ -15,6 +15,7 @@ from .controller import OmadaSiteController
 
 SERVICE_RECONNECT_CLIENT = "reconnect_client"
 
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_CONFIG_ENTRY_ID = "config_entry_id"
 ATTR_MAC = "mac"
 
diff --git a/homeassistant/components/triggercmd/const.py b/homeassistant/components/triggercmd/const.py
index 0fc15b2b806e..59905401c262 100644
--- a/homeassistant/components/triggercmd/const.py
+++ b/homeassistant/components/triggercmd/const.py
@@ -1,4 +1,5 @@
 """Constants for the TRIGGERcmd integration."""
 
 DOMAIN = "triggercmd"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_TOKEN = "token"
diff --git a/homeassistant/components/tuya/const.py b/homeassistant/components/tuya/const.py
index 424c9b82e360..cb7ba67c3258 100644
--- a/homeassistant/components/tuya/const.py
+++ b/homeassistant/components/tuya/const.py
@@ -33,6 +33,7 @@ CONF_ENDPOINT = "endpoint"
 CONF_TERMINAL_ID = "terminal_id"
 CONF_TOKEN_INFO = "token_info"
 CONF_USER_CODE = "user_code"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_USERNAME = "username"
 
 TUYA_CLIENT_ID = "HA_3y9q4ak7g4ephrvke"
diff --git a/homeassistant/components/version/const.py b/homeassistant/components/version/const.py
index 8180ee8e9997..1c0995a88a98 100644
--- a/homeassistant/components/version/const.py
+++ b/homeassistant/components/version/const.py
@@ -23,6 +23,7 @@ CONF_BOARD: Final = "board"
 CONF_CHANNEL: Final = "channel"
 CONF_IMAGE: Final = "image"
 CONF_VERSION_SOURCE: Final = "version_source"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_SOURCE: Final = "source"
 
 ATTR_CHANNEL: Final = CONF_CHANNEL
diff --git a/homeassistant/components/victron_gx/const.py b/homeassistant/components/victron_gx/const.py
index ca806ca5249c..1ca47c0c9963 100644
--- a/homeassistant/components/victron_gx/const.py
+++ b/homeassistant/components/victron_gx/const.py
@@ -3,6 +3,7 @@
 DOMAIN = "victron_gx"
 
 CONF_INSTALLATION_ID = "installation_id"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_MODEL = "model"
 CONF_SERIAL = "serial"
 
diff --git a/homeassistant/components/victron_remote_monitoring/const.py b/homeassistant/components/victron_remote_monitoring/const.py
index 3de1dbcabb25..eb2f3925064f 100644
--- a/homeassistant/components/victron_remote_monitoring/const.py
+++ b/homeassistant/components/victron_remote_monitoring/const.py
@@ -6,4 +6,5 @@ DOMAIN = "victron_remote_monitoring"
 LOGGER = logging.getLogger(__package__)
 
 CONF_SITE_ID = "site_id"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_API_TOKEN = "api_token"
diff --git a/homeassistant/components/wiz/config_flow.py b/homeassistant/components/wiz/config_flow.py
index a120ce875f56..5738895fa8e1 100644
--- a/homeassistant/components/wiz/config_flow.py
+++ b/homeassistant/components/wiz/config_flow.py
@@ -21,6 +21,7 @@ from .utils import _short_mac, name_from_bulb_type_and_mac
 
 _LOGGER = logging.getLogger(__name__)
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_DEVICE = "device"
 
 
diff --git a/homeassistant/components/xiaomi_miio/select.py b/homeassistant/components/xiaomi_miio/select.py
index b6caa5872317..64a3e65dca0a 100644
--- a/homeassistant/components/xiaomi_miio/select.py
+++ b/homeassistant/components/xiaomi_miio/select.py
@@ -65,6 +65,7 @@ from .typing import XiaomiMiioConfigEntry
 ATTR_DISPLAY_ORIENTATION = "display_orientation"
 ATTR_LED_BRIGHTNESS = "led_brightness"
 ATTR_PTC_LEVEL = "ptc_level"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_MODE = "mode"
 
 _LOGGER = logging.getLogger(__name__)
diff --git a/homeassistant/components/xiaomi_miio/switch.py b/homeassistant/components/xiaomi_miio/switch.py
index 278f7bd0ade8..4231f3c03ff7 100644
--- a/homeassistant/components/xiaomi_miio/switch.py
+++ b/homeassistant/components/xiaomi_miio/switch.py
@@ -149,6 +149,7 @@ ATTR_LED = "led"
 ATTR_IONIZER = "ionizer"
 ATTR_ANION = "anion"
 ATTR_LOAD_POWER = "load_power"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_MODEL = "model"
 ATTR_POWER = "power"
 ATTR_POWER_MODE = "power_mode"
diff --git a/homeassistant/components/xthings_cloud/const.py b/homeassistant/components/xthings_cloud/const.py
index 09535b588b17..0fdcf725e858 100644
--- a/homeassistant/components/xthings_cloud/const.py
+++ b/homeassistant/components/xthings_cloud/const.py
@@ -7,10 +7,14 @@ from homeassistant.const import Platform
 DOMAIN = "xthings_cloud"
 LOGGER = logging.getLogger(__package__)
 
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_EMAIL = "email"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_PASSWORD = "password"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_TOKEN = "token"
 CONF_REFRESH_TOKEN = "refresh_token"
+# pylint: disable-next=home-assistant-duplicate-const
 CONF_CLIENT_ID = "client_id"
 CONF_INSTANCE_ID = "instance_id"
 
diff --git a/homeassistant/components/zeroconf/discovery.py b/homeassistant/components/zeroconf/discovery.py
index 4b2366fd76ff..d70a27bc2174 100644
--- a/homeassistant/components/zeroconf/discovery.py
+++ b/homeassistant/components/zeroconf/discovery.py
@@ -41,7 +41,9 @@ HOMEKIT_PAIRED_STATUS_FLAG = "sf"
 HOMEKIT_MODEL_LOWER = "md"
 HOMEKIT_MODEL_UPPER = "MD"
 
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_DOMAIN: Final = "domain"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_NAME: Final = "name"
 ATTR_PROPERTIES: Final = "properties"
 
diff --git a/homeassistant/components/zha/const.py b/homeassistant/components/zha/const.py
index b50a67898e8e..d220937028a4 100644
--- a/homeassistant/components/zha/const.py
+++ b/homeassistant/components/zha/const.py
@@ -13,6 +13,7 @@ ATTR_ENDPOINT_NAMES = "endpoint_names"
 ATTR_IEEE = "ieee"
 ATTR_LAST_SEEN = "last_seen"
 ATTR_LQI = "lqi"
+# pylint: disable-next=home-assistant-duplicate-const
 ATTR_MANUFACTURER = "manufacturer"
 ATTR_MANUFACTURER_CODE = "manufacturer_code"
 ATTR_NEIGHBORS = "neighbors"
diff --git a/pylint/plugins/pylint_home_assistant/checkers/duplicate_const.py b/pylint/plugins/pylint_home_assistant/checkers/duplicate_const.py
new file mode 100644
index 000000000000..e3999dc73764
--- /dev/null
+++ b/pylint/plugins/pylint_home_assistant/checkers/duplicate_const.py
@@ -0,0 +1,138 @@
+"""Checker for integration constants that duplicate homeassistant.const.
+
+When an integration defines a constant like ``CONF_HOST = "host"`` or
+``CONF_HOST: Final = "host"`` that already exists with the same name
+and value in ``homeassistant.const``, the integration should import it
+instead of redefining it.
+"""
+
+import astroid
+from astroid import nodes
+from pylint.checkers import BaseChecker
+from pylint.lint import PyLinter
+
+from pylint_home_assistant.helpers.module_info import is_integration_module
+
+_ha_consts: dict[str, str] | None = None
+
+
+def _load_ha_consts() -> dict[str, str]:
+    """Load string constants from homeassistant.const.
+
+    Returns a dict mapping constant name to its string value.
+    Collects both annotated (``NAME: Final = "value"``) and plain
+    (``NAME = "value"``) assignment forms.
+    """
+    global _ha_consts  # noqa: PLW0603
+    if _ha_consts is not None:
+        return _ha_consts
+
+    _ha_consts = {}
+    try:
+        module = astroid.MANAGER.ast_from_module_name("homeassistant.const")
+    except astroid.exceptions.AstroidBuildingError:
+        return _ha_consts
+
+    for item in module.body:
+        name: str | None = None
+        value_node: nodes.NodeNG | None = None
+
+        if isinstance(item, nodes.AnnAssign) and isinstance(
+            item.target, nodes.AssignName
+        ):
+            name = item.target.name
+            value_node = item.value
+        elif isinstance(item, nodes.Assign) and len(item.targets) == 1:
+            target = item.targets[0]
+            if isinstance(target, nodes.AssignName):
+                name = target.name
+                value_node = item.value
+
+        if (
+            name is not None
+            and isinstance(value_node, nodes.Const)
+            and isinstance(value_node.value, str)
+        ):
+            _ha_consts[name] = value_node.value
+
+    return _ha_consts
+
+
+def _check_assignment(
+    checker: DuplicateConstChecker,
+    node: nodes.NodeNG,
+    name: str,
+    value_node: nodes.NodeNG | None,
+) -> None:
+    """Check a single assignment for duplicate constants."""
+    if not isinstance(node.parent, nodes.Module):
+        return
+
+    if value_node is None:
+        return
+
+    if not isinstance(value_node, nodes.Const):
+        return
+
+    if not isinstance(value_node.value, str):
+        return
+
+    ha_consts = _load_ha_consts()
+    if name in ha_consts and ha_consts[name] == value_node.value:
+        checker.add_message(
+            "home-assistant-duplicate-const",
+            node=node,
+            args=(name,),
+        )
+
+
+class DuplicateConstChecker(BaseChecker):
+    """Checker for constants that duplicate homeassistant.const entries."""
+
+    name = "home_assistant_duplicate_const"
+    priority = -1
+    msgs = {
+        "C7413": (
+            "'%s' is already defined in homeassistant.const with the same "
+            "value, import it instead of redefining it",
+            "home-assistant-duplicate-const",
+            "Used when an integration defines a constant that already exists "
+            "with the same name and value in homeassistant.const.",
+        ),
+    }
+    options = ()
+
+    _in_integration: bool
+
+    def visit_module(self, node: nodes.Module) -> None:
+        """Track whether we are in an integration module."""
+        self._in_integration = is_integration_module(node.name)
+
+    def visit_assign(self, node: nodes.Assign) -> None:
+        """Check plain assignments like ``NAME = 'value'``."""
+        if not self._in_integration:
+            return
+
+        if len(node.targets) != 1:
+            return
+
+        target = node.targets[0]
+        if not isinstance(target, nodes.AssignName):
+            return
+
+        _check_assignment(self, node, target.name, node.value)
+
+    def visit_annassign(self, node: nodes.AnnAssign) -> None:
+        """Check annotated assignments like ``NAME: Final = 'value'``."""
+        if not self._in_integration:
+            return
+
+        if not isinstance(node.target, nodes.AssignName):
+            return
+
+        _check_assignment(self, node, node.target.name, node.value)
+
+
+def register(linter: PyLinter) -> None:
+    """Register the checker."""
+    linter.register_checker(DuplicateConstChecker(linter))
diff --git a/tests/pylint/test_duplicate_const.py b/tests/pylint/test_duplicate_const.py
new file mode 100644
index 000000000000..845d9c5fe848
--- /dev/null
+++ b/tests/pylint/test_duplicate_const.py
@@ -0,0 +1,149 @@
+"""Tests for the duplicate const checker."""
+
+import astroid
+from pylint.testutils import UnittestLinter
+from pylint.utils.ast_walker import ASTWalker
+from pylint_home_assistant.checkers.duplicate_const import DuplicateConstChecker
+import pytest
+
+from . import assert_no_messages
+
+# Pre-load homeassistant.const so astroid can resolve it.
+astroid.MANAGER.ast_from_module_name("homeassistant.const")
+
+
+@pytest.fixture(name="duplicate_const_checker")
+def duplicate_const_checker_fixture(
+    linter: UnittestLinter,
+) -> DuplicateConstChecker:
+    """Fixture to provide a duplicate const checker."""
+    return DuplicateConstChecker(linter)
+
+
+@pytest.mark.parametrize(
+    "code",
+    [
+        pytest.param(
+            """
+DOMAIN = "my_integration"
+""",
+            id="domain_same_value_different_semantics",
+        ),
+        pytest.param(
+            """
+MY_CUSTOM_CONST = "host"
+""",
+            id="different_name_same_value",
+        ),
+        pytest.param(
+            """
+CONF_HOST = "my_custom_host"
+""",
+            id="same_name_different_value",
+        ),
+        pytest.param(
+            """
+CONF_SPECIAL_SETTING = "special"
+""",
+            id="name_not_in_ha_const",
+        ),
+        pytest.param(
+            """
+from typing import Final
+
+CONF_HOST: Final = "my_custom_host"
+""",
+            id="annotated_different_value",
+        ),
+    ],
+)
+def test_no_warning(
+    linter: UnittestLinter,
+    duplicate_const_checker: DuplicateConstChecker,
+    code: str,
+) -> None:
+    """Test cases that should not trigger a warning."""
+    root_node = astroid.parse(code, "homeassistant.components.test_integration.const")
+    walker = ASTWalker(linter)
+    walker.add_checker(duplicate_const_checker)
+
+    with assert_no_messages(linter):
+        walker.walk(root_node)
+
+
+@pytest.mark.parametrize(
+    ("name", "code"),
+    [
+        pytest.param(
+            "CONF_HOST",
+            """
+CONF_HOST = "host"
+""",
+            id="conf_host",
+        ),
+        pytest.param(
+            "CONF_PASSWORD",
+            """
+CONF_PASSWORD = "password"
+""",
+            id="conf_password",
+        ),
+        pytest.param(
+            "ATTR_TEMPERATURE",
+            """
+ATTR_TEMPERATURE = "temperature"
+""",
+            id="attr_temperature",
+        ),
+        pytest.param(
+            "CONF_HOST",
+            """
+from typing import Final
+
+CONF_HOST: Final = "host"
+""",
+            id="annotated_final",
+        ),
+        pytest.param(
+            "CONF_API_KEY",
+            """
+CONF_API_KEY: str = "api_key"
+""",
+            id="annotated_str",
+        ),
+    ],
+)
+def test_duplicate_const_flagged(
+    linter: UnittestLinter,
+    duplicate_const_checker: DuplicateConstChecker,
+    name: str,
+    code: str,
+) -> None:
+    """Test that duplicate constants are flagged."""
+    root_node = astroid.parse(code, "homeassistant.components.test_integration.const")
+    walker = ASTWalker(linter)
+    walker.add_checker(duplicate_const_checker)
+    walker.walk(root_node)
+
+    messages = linter.release_messages()
+    assert len(messages) == 1
+    assert messages[0].msg_id == "home-assistant-duplicate-const"
+    assert messages[0].args == (name,)
+
+
+def test_not_integration_ignored(
+    linter: UnittestLinter,
+    duplicate_const_checker: DuplicateConstChecker,
+) -> None:
+    """Test that non-integration modules are ignored."""
+    root_node = astroid.parse(
+        """
+CONF_HOST = "host"
+""",
+        "tests.components.test_integration.test_const",
+    )
+    walker = ASTWalker(linter)
+    walker.add_checker(duplicate_const_checker)
+
+    with assert_no_messages(linter):
+        walker.walk(root_node)