diff --git a/homeassistant/components/cover/__init__.py b/homeassistant/components/cover/__init__.py
index fe94a1d65efc..d7bdf90324c9 100644
--- a/homeassistant/components/cover/__init__.py
+++ b/homeassistant/components/cover/__init__.py
@@ -25,6 +25,7 @@ from homeassistant.const import (
 from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import ServiceValidationError
 from homeassistant.helpers import config_validation as cv
+from homeassistant.helpers.deprecation import deprecated_function
 from homeassistant.helpers.entity import Entity, EntityDescription
 from homeassistant.helpers.entity_component import EntityComponent
 from homeassistant.helpers.typing import ConfigType
@@ -91,6 +92,9 @@ __all__ = [
 ]
 
 
+@deprecated_function(
+    "hass.states.is_state(entity_id, 'closed')", breaks_in_ha_version="2027.10"
+)
 def is_closed(hass: HomeAssistant, entity_id: str) -> bool:
     """Return if the cover is closed based on the statemachine."""
     return hass.states.is_state(entity_id, CoverState.CLOSED)
diff --git a/tests/components/cover/test_init.py b/tests/components/cover/test_init.py
index e6694a860cc9..7ccffa0ceeab 100644
--- a/tests/components/cover/test_init.py
+++ b/tests/components/cover/test_init.py
@@ -320,3 +320,19 @@ async def test_services_with_speed(
         blocking=True,
     )
     assert ent2.last_kwargs == {"position": 49}
+
+
+async def test_deprecated_is_closed(
+    hass: HomeAssistant, caplog: pytest.LogCaptureFixture
+) -> None:
+    """Test the deprecated is_closed helper."""
+    hass.states.async_set("cover.test", CoverState.CLOSED)
+    assert cover.is_closed(hass, "cover.test") is True
+
+    hass.states.async_set("cover.test", CoverState.OPEN)
+    assert cover.is_closed(hass, "cover.test") is False
+
+    assert (
+        "The deprecated function is_closed was called. It will be removed in HA Core "
+        "2027.10. Use hass.states.is_state(entity_id, 'closed') instead"
+    ) in caplog.text