diff --git a/homeassistant/components/icloud/device_tracker.py b/homeassistant/components/icloud/device_tracker.py
index e546d3034ae..2a4f6d81dc5 100644
--- a/homeassistant/components/icloud/device_tracker.py
+++ b/homeassistant/components/icloud/device_tracker.py
@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from typing import Any
+from typing import TYPE_CHECKING, Any
 
 from homeassistant.components.device_tracker import TrackerEntity
 from homeassistant.core import CALLBACK_TYPE, HomeAssistant, callback
@@ -69,18 +69,24 @@ class IcloudTrackerEntity(TrackerEntity):
         self._attr_unique_id = device.unique_id
 
     @property
-    def location_accuracy(self):
+    def location_accuracy(self) -> float:
         """Return the location accuracy of the device."""
+        if TYPE_CHECKING:
+            assert self._device.location is not None
         return self._device.location[DEVICE_LOCATION_HORIZONTAL_ACCURACY]
 
     @property
-    def latitude(self):
+    def latitude(self) -> float:
         """Return latitude value of the device."""
+        if TYPE_CHECKING:
+            assert self._device.location is not None
         return self._device.location[DEVICE_LOCATION_LATITUDE]
 
     @property
-    def longitude(self):
+    def longitude(self) -> float:
         """Return longitude value of the device."""
+        if TYPE_CHECKING:
+            assert self._device.location is not None
         return self._device.location[DEVICE_LOCATION_LONGITUDE]
 
     @property
diff --git a/homeassistant/components/mobile_app/device_tracker.py b/homeassistant/components/mobile_app/device_tracker.py
index 7e5a0a291b6..707a0215f2f 100644
--- a/homeassistant/components/mobile_app/device_tracker.py
+++ b/homeassistant/components/mobile_app/device_tracker.py
@@ -1,5 +1,7 @@
 """Device tracker for Mobile app."""
 
+from typing import Any
+
 from homeassistant.components.device_tracker import (
     ATTR_BATTERY,
     ATTR_GPS,
@@ -15,6 +17,7 @@ from homeassistant.const import (
     ATTR_LONGITUDE,
 )
 from homeassistant.core import HomeAssistant, callback
+from homeassistant.helpers.device_registry import DeviceInfo
 from homeassistant.helpers.dispatcher import async_dispatcher_connect
 from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
 from homeassistant.helpers.restore_state import RestoreEntity
@@ -52,17 +55,17 @@ class MobileAppEntity(TrackerEntity, RestoreEntity):
         self._dispatch_unsub = None
 
     @property
-    def unique_id(self):
+    def unique_id(self) -> str:
         """Return the unique ID."""
         return self._entry.data[ATTR_DEVICE_ID]
 
     @property
-    def battery_level(self):
+    def battery_level(self) -> int | None:
         """Return the battery level of the device."""
         return self._data.get(ATTR_BATTERY)
 
     @property
-    def extra_state_attributes(self):
+    def extra_state_attributes(self) -> dict[str, Any]:
         """Return device specific attributes."""
         attrs = {}
         for key in ATTR_KEYS:
@@ -72,12 +75,12 @@ class MobileAppEntity(TrackerEntity, RestoreEntity):
         return attrs
 
     @property
-    def location_accuracy(self):
+    def location_accuracy(self) -> float:
         """Return the gps accuracy of the device."""
-        return self._data.get(ATTR_GPS_ACCURACY)
+        return self._data.get(ATTR_GPS_ACCURACY, 0)
 
     @property
-    def latitude(self):
+    def latitude(self) -> float | None:
         """Return latitude value of the device."""
         if (gps := self._data.get(ATTR_GPS)) is None:
             return None
@@ -85,7 +88,7 @@ class MobileAppEntity(TrackerEntity, RestoreEntity):
         return gps[0]
 
     @property
-    def longitude(self):
+    def longitude(self) -> float | None:
         """Return longitude value of the device."""
         if (gps := self._data.get(ATTR_GPS)) is None:
             return None
@@ -93,19 +96,19 @@ class MobileAppEntity(TrackerEntity, RestoreEntity):
         return gps[1]
 
     @property
-    def location_name(self):
+    def location_name(self) -> str | None:
         """Return a location name for the current location of the device."""
         if location_name := self._data.get(ATTR_LOCATION_NAME):
             return location_name
         return None
 
     @property
-    def name(self):
+    def name(self) -> str:
         """Return the name of the device."""
         return self._entry.data[ATTR_DEVICE_NAME]
 
     @property
-    def device_info(self):
+    def device_info(self) -> DeviceInfo:
         """Return the device info."""
         return device_info(self._entry.data)
 
diff --git a/homeassistant/components/owntracks/device_tracker.py b/homeassistant/components/owntracks/device_tracker.py
index 80a06478506..22762cb390d 100644
--- a/homeassistant/components/owntracks/device_tracker.py
+++ b/homeassistant/components/owntracks/device_tracker.py
@@ -1,5 +1,7 @@
 """Device tracker platform that adds support for OwnTracks over MQTT."""
 
+from typing import Any
+
 from homeassistant.components.device_tracker import (
     ATTR_SOURCE_TYPE,
     DOMAIN as DEVICE_TRACKER_DOMAIN,
@@ -64,34 +66,34 @@ class OwnTracksEntity(TrackerEntity, RestoreEntity):
     _attr_has_entity_name = True
     _attr_name = None
 
-    def __init__(self, dev_id, data=None):
+    def __init__(self, dev_id: str, data: dict[str, Any] | None = None) -> None:
         """Set up OwnTracks entity."""
         self._dev_id = dev_id
         self._data = data or {}
         self.entity_id = f"{DEVICE_TRACKER_DOMAIN}.{dev_id}"
 
     @property
-    def unique_id(self):
+    def unique_id(self) -> str:
         """Return the unique ID."""
         return self._dev_id
 
     @property
-    def battery_level(self):
+    def battery_level(self) -> int | None:
         """Return the battery level of the device."""
         return self._data.get("battery")
 
     @property
-    def extra_state_attributes(self):
+    def extra_state_attributes(self) -> dict[str, Any] | None:
         """Return device specific attributes."""
         return self._data.get("attributes")
 
     @property
-    def location_accuracy(self):
+    def location_accuracy(self) -> float:
         """Return the gps accuracy of the device."""
-        return self._data.get("gps_accuracy")
+        return self._data.get("gps_accuracy", 0)
 
     @property
-    def latitude(self):
+    def latitude(self) -> float | None:
         """Return latitude value of the device."""
         # Check with "get" instead of "in" because value can be None
         if self._data.get("gps"):
@@ -100,7 +102,7 @@ class OwnTracksEntity(TrackerEntity, RestoreEntity):
         return None
 
     @property
-    def longitude(self):
+    def longitude(self) -> float | None:
         """Return longitude value of the device."""
         # Check with "get" instead of "in" because value can be None
         if self._data.get("gps"):
@@ -109,7 +111,7 @@ class OwnTracksEntity(TrackerEntity, RestoreEntity):
         return None
 
     @property
-    def location_name(self):
+    def location_name(self) -> str | None:
         """Return a location name for the current location of the device."""
         return self._data.get("location_name")
 
diff --git a/homeassistant/components/starline/device_tracker.py b/homeassistant/components/starline/device_tracker.py
index 0c8418d28fc..d6e12b4ecd9 100644
--- a/homeassistant/components/starline/device_tracker.py
+++ b/homeassistant/components/starline/device_tracker.py
@@ -1,5 +1,7 @@
 """StarLine device tracker."""
 
+from typing import Any
+
 from homeassistant.components.device_tracker import TrackerEntity
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
@@ -35,26 +37,26 @@ class StarlineDeviceTracker(StarlineEntity, TrackerEntity, RestoreEntity):
         super().__init__(account, device, "location")
 
     @property
-    def extra_state_attributes(self):
+    def extra_state_attributes(self) -> dict[str, Any]:
         """Return device specific attributes."""
         return self._account.gps_attrs(self._device)
 
     @property
-    def battery_level(self):
+    def battery_level(self) -> int | None:
         """Return the battery level of the device."""
         return self._device.battery_level
 
     @property
-    def location_accuracy(self):
+    def location_accuracy(self) -> float:
         """Return the gps accuracy of the device."""
         return self._device.position.get("r", 0)
 
     @property
-    def latitude(self):
+    def latitude(self) -> float:
         """Return latitude value of the device."""
         return self._device.position["x"]
 
     @property
-    def longitude(self):
+    def longitude(self) -> float:
         """Return longitude value of the device."""
         return self._device.position["y"]
diff --git a/pylint/plugins/hass_enforce_type_hints.py b/pylint/plugins/hass_enforce_type_hints.py
index 92f2473d3ee..a6d77611926 100644
--- a/pylint/plugins/hass_enforce_type_hints.py
+++ b/pylint/plugins/hass_enforce_type_hints.py
@@ -1484,6 +1484,7 @@ _INHERITANCE_MATCH: dict[str, list[ClassTypeHintMatch]] = {
                 TypeHintMatch(
                     function_name="source_type",
                     return_type="SourceType",
+                    mandatory=True,
                 ),
             ],
         ),
@@ -1493,10 +1494,12 @@ _INHERITANCE_MATCH: dict[str, list[ClassTypeHintMatch]] = {
                 TypeHintMatch(
                     function_name="force_update",
                     return_type="bool",
+                    mandatory=True,
                 ),
                 TypeHintMatch(
                     function_name="location_accuracy",
                     return_type="float",
+                    mandatory=True,
                 ),
                 TypeHintMatch(
                     function_name="location_name",
@@ -1534,10 +1537,12 @@ _INHERITANCE_MATCH: dict[str, list[ClassTypeHintMatch]] = {
                 TypeHintMatch(
                     function_name="state",
                     return_type="str",
+                    mandatory=True,
                 ),
                 TypeHintMatch(
                     function_name="is_connected",
                     return_type="bool",
+                    mandatory=True,
                 ),
             ],
         ),