diff --git a/.strict-typing b/.strict-typing
index 00bc3447d22..3d777a11acf 100644
--- a/.strict-typing
+++ b/.strict-typing
@@ -41,6 +41,7 @@ homeassistant.components.integration.*
 homeassistant.components.knx.*
 homeassistant.components.kraken.*
 homeassistant.components.light.*
+homeassistant.components.local_ip.*
 homeassistant.components.lock.*
 homeassistant.components.mailbox.*
 homeassistant.components.media_player.*
diff --git a/homeassistant/components/local_ip/__init__.py b/homeassistant/components/local_ip/__init__.py
index c4e8c541e4a..e97e5da7d49 100644
--- a/homeassistant/components/local_ip/__init__.py
+++ b/homeassistant/components/local_ip/__init__.py
@@ -8,12 +8,12 @@ from .const import DOMAIN, PLATFORMS
 CONFIG_SCHEMA = cv.deprecated(DOMAIN)
 
 
-async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry):
+async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     """Set up local_ip from a config entry."""
     hass.config_entries.async_setup_platforms(entry, PLATFORMS)
     return True
 
 
-async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry):
+async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     """Unload a config entry."""
     return await hass.config_entries.async_unload_platforms(entry, PLATFORMS)
diff --git a/homeassistant/components/local_ip/config_flow.py b/homeassistant/components/local_ip/config_flow.py
index 2bc994c4dca..27bd5340d40 100644
--- a/homeassistant/components/local_ip/config_flow.py
+++ b/homeassistant/components/local_ip/config_flow.py
@@ -1,18 +1,23 @@
 """Config flow for local_ip."""
+from __future__ import annotations
 
-from homeassistant import config_entries
+from typing import Any
+
+from homeassistant.config_entries import ConfigFlow
+from homeassistant.data_entry_flow import FlowResult
 
 from .const import DOMAIN
 
 
-class SimpleConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
+class SimpleConfigFlow(ConfigFlow, domain=DOMAIN):
     """Handle a config flow for local_ip."""
 
     VERSION = 1
 
-    async def async_step_user(self, user_input=None):
+    async def async_step_user(
+        self, user_input: dict[str, Any] | None = None
+    ) -> FlowResult:
         """Handle the initial step."""
-
         if self._async_current_entries():
             return self.async_abort(reason="single_instance_allowed")
 
diff --git a/homeassistant/components/local_ip/sensor.py b/homeassistant/components/local_ip/sensor.py
index 1d2cce72105..c7bc53caa69 100644
--- a/homeassistant/components/local_ip/sensor.py
+++ b/homeassistant/components/local_ip/sensor.py
@@ -1,46 +1,35 @@
 """Sensor platform for local_ip."""
 
 from homeassistant.components.sensor import SensorEntity
+from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_NAME
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.util import get_local_ip
 
 from .const import DOMAIN, SENSOR
 
 
-async def async_setup_entry(hass, config_entry, async_add_entities):
+async def async_setup_entry(
+    hass: HomeAssistant,
+    entry: ConfigEntry,
+    async_add_entities: AddEntitiesCallback,
+) -> None:
     """Set up the platform from config_entry."""
-    name = config_entry.data.get(CONF_NAME) or DOMAIN
+    name = entry.data.get(CONF_NAME) or DOMAIN
     async_add_entities([IPSensor(name)], True)
 
 
 class IPSensor(SensorEntity):
     """A simple sensor."""
 
-    def __init__(self, name):
+    _attr_unique_id = SENSOR
+    _attr_icon = "mdi:ip"
+
+    def __init__(self, name: str) -> None:
         """Initialize the sensor."""
-        self._state = None
-        self._name = name
+        self._attr_name = name
 
-    @property
-    def name(self):
-        """Return the name of the sensor."""
-        return self._name
-
-    @property
-    def unique_id(self):
-        """Return the unique id of the sensor."""
-        return SENSOR
-
-    @property
-    def state(self):
-        """Return the state of the sensor."""
-        return self._state
-
-    @property
-    def icon(self):
-        """Return the icon of the sensor."""
-        return "mdi:ip"
-
-    def update(self):
+    def update(self) -> None:
         """Fetch new state data for the sensor."""
-        self._state = get_local_ip()
+        self._attr_state = get_local_ip()
diff --git a/mypy.ini b/mypy.ini
index c65f28336ff..231f7f40384 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -462,6 +462,17 @@ no_implicit_optional = true
 warn_return_any = true
 warn_unreachable = true
 
+[mypy-homeassistant.components.local_ip.*]
+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.lock.*]
 check_untyped_defs = true
 disallow_incomplete_defs = true