diff --git a/homeassistant/components/blebox/__init__.py b/homeassistant/components/blebox/__init__.py
index 4314412a13d..1a7c8104652 100644
--- a/homeassistant/components/blebox/__init__.py
+++ b/homeassistant/components/blebox/__init__.py
@@ -19,6 +19,7 @@ from .const import DEFAULT_SETUP_TIMEOUT, DOMAIN, PRODUCT
 _LOGGER = logging.getLogger(__name__)
 
 PLATFORMS = [
+    Platform.BINARY_SENSOR,
     Platform.BUTTON,
     Platform.CLIMATE,
     Platform.COVER,
diff --git a/homeassistant/components/blebox/binary_sensor.py b/homeassistant/components/blebox/binary_sensor.py
new file mode 100644
index 00000000000..7eb6fd1e5a2
--- /dev/null
+++ b/homeassistant/components/blebox/binary_sensor.py
@@ -0,0 +1,55 @@
+"""BleBox binary sensor entities."""
+
+from blebox_uniapi.binary_sensor import BinarySensor as BinarySensorFeature
+from blebox_uniapi.box import Box
+
+from homeassistant.components.binary_sensor import (
+    BinarySensorDeviceClass,
+    BinarySensorEntity,
+    BinarySensorEntityDescription,
+)
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+
+from . import DOMAIN, PRODUCT, BleBoxEntity
+
+BINARY_SENSOR_TYPES = (
+    BinarySensorEntityDescription(
+        key="moisture",
+        device_class=BinarySensorDeviceClass.MOISTURE,
+    ),
+)
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    config_entry: ConfigEntry,
+    async_add_entities: AddEntitiesCallback,
+) -> None:
+    """Set up a BleBox entry."""
+
+    product: Box = hass.data[DOMAIN][config_entry.entry_id][PRODUCT]
+    entities = [
+        BleBoxBinarySensorEntity(feature, description)
+        for feature in product.features.get("binary_sensors", [])
+        for description in BINARY_SENSOR_TYPES
+        if description.key == feature.device_class
+    ]
+    async_add_entities(entities, True)
+
+
+class BleBoxBinarySensorEntity(BleBoxEntity[BinarySensorFeature], BinarySensorEntity):
+    """Representation of a BleBox binary sensor feature."""
+
+    def __init__(
+        self, feature: BinarySensorFeature, description: BinarySensorEntityDescription
+    ) -> None:
+        """Initialize a BleBox binary sensor feature."""
+        super().__init__(feature)
+        self.entity_description = description
+
+    @property
+    def is_on(self) -> bool:
+        """Return the state."""
+        return self._feature.state
diff --git a/tests/components/blebox/test_binary_sensor.py b/tests/components/blebox/test_binary_sensor.py
new file mode 100644
index 00000000000..36258198d91
--- /dev/null
+++ b/tests/components/blebox/test_binary_sensor.py
@@ -0,0 +1,45 @@
+"""Blebox binary_sensor entities test."""
+from unittest.mock import PropertyMock
+
+import blebox_uniapi
+import pytest
+
+from homeassistant.components.binary_sensor import BinarySensorDeviceClass
+from homeassistant.const import ATTR_DEVICE_CLASS, STATE_ON
+from homeassistant.helpers import device_registry as dr
+
+from .conftest import async_setup_entity, mock_feature
+
+
+@pytest.fixture(name="rainsensor")
+def airsensor_fixture():
+    """Return a default air quality fixture."""
+    feature = mock_feature(
+        "binary_sensors",
+        blebox_uniapi.binary_sensor.Rain,
+        unique_id="BleBox-windRainSensor-ea68e74f4f49-0.rain",
+        full_name="windRainSensor-0.rain",
+        device_class="moisture",
+    )
+    product = feature.product
+    type(product).name = PropertyMock(return_value="My rain sensor")
+    type(product).model = PropertyMock(return_value="rainSensor")
+    return (feature, "binary_sensor.windrainsensor_0_rain")
+
+
+async def test_init(rainsensor, hass, config):
+    """Test binary_sensor initialisation."""
+    _, entity_id = rainsensor
+    entry = await async_setup_entity(hass, config, entity_id)
+    assert entry.unique_id == "BleBox-windRainSensor-ea68e74f4f49-0.rain"
+
+    state = hass.states.get(entity_id)
+    assert state.name == "windRainSensor-0.rain"
+
+    assert state.attributes[ATTR_DEVICE_CLASS] == BinarySensorDeviceClass.MOISTURE
+    assert state.state == STATE_ON
+
+    device_registry = dr.async_get(hass)
+    device = device_registry.async_get(entry.device_id)
+
+    assert device.name == "My rain sensor"