diff --git a/.strict-typing b/.strict-typing
index e764449d1d6..8e6e59c11d6 100644
--- a/.strict-typing
+++ b/.strict-typing
@@ -66,6 +66,7 @@ homeassistant.components.lcn.*
 homeassistant.components.light.*
 homeassistant.components.local_ip.*
 homeassistant.components.lock.*
+homeassistant.components.lookin.*
 homeassistant.components.mailbox.*
 homeassistant.components.media_player.*
 homeassistant.components.modbus.*
diff --git a/homeassistant/components/lookin/climate.py b/homeassistant/components/lookin/climate.py
index 536d4ca4016..7bb48350eef 100644
--- a/homeassistant/components/lookin/climate.py
+++ b/homeassistant/components/lookin/climate.py
@@ -79,7 +79,9 @@ async def async_setup_entry(
             continue
         uuid = remote["UUID"]
 
-        def _wrap_async_update(uuid) -> Callable[[], Coroutine[None, Any, Climate]]:
+        def _wrap_async_update(
+            uuid: str,
+        ) -> Callable[[], Coroutine[None, Any, Climate]]:
             """Create a function to capture the uuid cell variable."""
 
             async def _async_update() -> Climate:
diff --git a/homeassistant/components/lookin/entity.py b/homeassistant/components/lookin/entity.py
index 228d69f8341..ad532889771 100644
--- a/homeassistant/components/lookin/entity.py
+++ b/homeassistant/components/lookin/entity.py
@@ -26,7 +26,7 @@ def _lookin_device_to_device_info(lookin_device: Device) -> DeviceInfo:
 
 
 def _lookin_controlled_device_to_device_info(
-    lookin_device: Device, uuid: str, device: Device
+    lookin_device: Device, uuid: str, device: Climate | Remote
 ) -> DeviceInfo:
     return DeviceInfo(
         identifiers={(DOMAIN, uuid)},
diff --git a/mypy.ini b/mypy.ini
index a429c04caa8..a4740a7fedc 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -737,6 +737,17 @@ no_implicit_optional = true
 warn_return_any = true
 warn_unreachable = true
 
+[mypy-homeassistant.components.lookin.*]
+check_untyped_defs = true
+disallow_incomplete_defs = true
+disallow_subclassing_any = true
+disallow_untyped_calls = true
+disallow_untyped_decorators = true
+disallow_untyped_defs = true
+no_implicit_optional = true
+warn_return_any = true
+warn_unreachable = true
+
 [mypy-homeassistant.components.mailbox.*]
 check_untyped_defs = true
 disallow_incomplete_defs = true