diff --git a/homeassistant/components/demo/lock.py b/homeassistant/components/demo/lock.py
index 546161b2d6f..47187d5ffc6 100644
--- a/homeassistant/components/demo/lock.py
+++ b/homeassistant/components/demo/lock.py
@@ -60,7 +60,6 @@ class DemoLock(LockEntity):
     ) -> None:
         """Initialize the lock."""
         self._attr_name = name
-        self._attr_supported_features = 0
         if openable:
             self._attr_supported_features = LockEntityFeature.OPEN
         self._state = state
diff --git a/homeassistant/components/esphome/lock.py b/homeassistant/components/esphome/lock.py
index bcfa0131518..12666971d71 100644
--- a/homeassistant/components/esphome/lock.py
+++ b/homeassistant/components/esphome/lock.py
@@ -38,7 +38,7 @@ class EsphomeLock(EsphomeEntity[LockInfo, LockEntityState], LockEntity):
         return self._static_info.assumed_state
 
     @property
-    def supported_features(self) -> int:
+    def supported_features(self) -> LockEntityFeature | int:
         """Flag supported features."""
         return LockEntityFeature.OPEN if self._static_info.supports_open else 0
 
diff --git a/homeassistant/components/lock/__init__.py b/homeassistant/components/lock/__init__.py
index a8166e9e3bd..412e314da0f 100644
--- a/homeassistant/components/lock/__init__.py
+++ b/homeassistant/components/lock/__init__.py
@@ -112,6 +112,7 @@ class LockEntity(Entity):
     _attr_is_unlocking: bool | None = None
     _attr_is_jammed: bool | None = None
     _attr_state: None = None
+    _attr_supported_features: LockEntityFeature | int = 0
 
     @property
     def changed_by(self) -> str | None:
@@ -190,3 +191,8 @@ class LockEntity(Entity):
         if (locked := self.is_locked) is None:
             return None
         return STATE_LOCKED if locked else STATE_UNLOCKED
+
+    @property
+    def supported_features(self) -> LockEntityFeature | int:
+        """Return the list of supported features."""
+        return self._attr_supported_features
diff --git a/pylint/plugins/hass_enforce_type_hints.py b/pylint/plugins/hass_enforce_type_hints.py
index 2d29ea2fb1a..52d14562dec 100644
--- a/pylint/plugins/hass_enforce_type_hints.py
+++ b/pylint/plugins/hass_enforce_type_hints.py
@@ -1581,6 +1581,10 @@ _INHERITANCE_MATCH: dict[str, list[ClassTypeHintMatch]] = {
                     function_name="is_jammed",
                     return_type=["bool", None],
                 ),
+                TypeHintMatch(
+                    function_name="supported_features",
+                    return_type=["LockEntityFeature", "int"],
+                ),
                 TypeHintMatch(
                     function_name="lock",
                     kwargs_type="Any",