diff --git a/homeassistant/components/lamarzocco/__init__.py b/homeassistant/components/lamarzocco/__init__.py
index 599721ced3a..a5ebf727071 100644
--- a/homeassistant/components/lamarzocco/__init__.py
+++ b/homeassistant/components/lamarzocco/__init__.py
@@ -8,6 +8,7 @@ from .const import DOMAIN
 from .coordinator import LaMarzoccoUpdateCoordinator
 
 PLATFORMS = [
+    Platform.BINARY_SENSOR,
     Platform.SENSOR,
     Platform.SWITCH,
 ]
diff --git a/homeassistant/components/lamarzocco/binary_sensor.py b/homeassistant/components/lamarzocco/binary_sensor.py
new file mode 100644
index 00000000000..a0f4033710c
--- /dev/null
+++ b/homeassistant/components/lamarzocco/binary_sensor.py
@@ -0,0 +1,90 @@
+"""Binary Sensor platform for La Marzocco espresso machines."""
+
+from collections.abc import Callable
+from dataclasses import dataclass
+
+from lmcloud import LMCloud as LaMarzoccoClient
+
+from homeassistant.components.binary_sensor import (
+    BinarySensorDeviceClass,
+    BinarySensorEntity,
+    BinarySensorEntityDescription,
+)
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import EntityCategory
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+
+from .const import DOMAIN
+from .entity import LaMarzoccoEntity, LaMarzoccoEntityDescription
+
+
+@dataclass(frozen=True, kw_only=True)
+class LaMarzoccoBinarySensorEntityDescription(
+    LaMarzoccoEntityDescription,
+    BinarySensorEntityDescription,
+):
+    """Description of a La Marzocco binary sensor."""
+
+    is_on_fn: Callable[[LaMarzoccoClient], bool]
+    icon_on: str
+    icon_off: str
+
+
+ENTITIES: tuple[LaMarzoccoBinarySensorEntityDescription, ...] = (
+    LaMarzoccoBinarySensorEntityDescription(
+        key="water_tank",
+        translation_key="water_tank",
+        device_class=BinarySensorDeviceClass.PROBLEM,
+        icon_on="mdi:water-remove",
+        icon_off="mdi:water-check",
+        is_on_fn=lambda lm: not lm.current_status.get("water_reservoir_contact"),
+        entity_category=EntityCategory.DIAGNOSTIC,
+        supported_fn=lambda coordinator: coordinator.local_connection_configured,
+    ),
+    LaMarzoccoBinarySensorEntityDescription(
+        key="brew_active",
+        translation_key="brew_active",
+        device_class=BinarySensorDeviceClass.RUNNING,
+        icon_off="mdi:cup-off",
+        icon_on="mdi:cup-water",
+        is_on_fn=lambda lm: bool(lm.current_status.get("brew_active")),
+        available_fn=lambda lm: lm.websocket_connected,
+        entity_category=EntityCategory.DIAGNOSTIC,
+    ),
+)
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    config_entry: ConfigEntry,
+    async_add_entities: AddEntitiesCallback,
+) -> None:
+    """Set up binary sensor entities."""
+    coordinator = hass.data[DOMAIN][config_entry.entry_id]
+
+    async_add_entities(
+        LaMarzoccoBinarySensorEntity(coordinator, description)
+        for description in ENTITIES
+        if description.supported_fn(coordinator)
+    )
+
+
+class LaMarzoccoBinarySensorEntity(LaMarzoccoEntity, BinarySensorEntity):
+    """Binary Sensor representing espresso machine water reservoir status."""
+
+    entity_description: LaMarzoccoBinarySensorEntityDescription
+
+    @property
+    def icon(self) -> str | None:
+        """Return the icon."""
+        return (
+            self.entity_description.icon_on
+            if self.is_on
+            else self.entity_description.icon_off
+        )
+
+    @property
+    def is_on(self) -> bool:
+        """Return true if the binary sensor is on."""
+        return self.entity_description.is_on_fn(self.coordinator.lm)
diff --git a/homeassistant/components/lamarzocco/strings.json b/homeassistant/components/lamarzocco/strings.json
index 759a9e327dc..db4f443b18b 100644
--- a/homeassistant/components/lamarzocco/strings.json
+++ b/homeassistant/components/lamarzocco/strings.json
@@ -43,6 +43,14 @@
     }
   },
   "entity": {
+    "binary_sensor": {
+      "brew_active": {
+        "name": "Brewing active"
+      },
+      "water_tank": {
+        "name": "Water tank empty"
+      }
+    },
     "sensor": {
       "current_temp_coffee": {
         "name": "Current coffee temperature"
diff --git a/tests/components/lamarzocco/snapshots/test_binary_sensor.ambr b/tests/components/lamarzocco/snapshots/test_binary_sensor.ambr
new file mode 100644
index 00000000000..4fb8c3cb828
--- /dev/null
+++ b/tests/components/lamarzocco/snapshots/test_binary_sensor.ambr
@@ -0,0 +1,91 @@
+# serializer version: 1
+# name: test_binary_sensors[GS01234_brewing_active-binary_sensor]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'device_class': 'running',
+      'friendly_name': 'GS01234 Brewing active',
+      'icon': 'mdi:cup-off',
+    }),
+    'context': <ANY>,
+    'entity_id': 'binary_sensor.gs01234_brewing_active',
+    'last_changed': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'off',
+  })
+# ---
+# name: test_binary_sensors[GS01234_brewing_active-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'binary_sensor',
+    'entity_category': <EntityCategory.DIAGNOSTIC: 'diagnostic'>,
+    'entity_id': 'binary_sensor.gs01234_brewing_active',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': <BinarySensorDeviceClass.RUNNING: 'running'>,
+    'original_icon': 'mdi:cup-off',
+    'original_name': 'Brewing active',
+    'platform': 'lamarzocco',
+    'previous_unique_id': None,
+    'supported_features': 0,
+    'translation_key': 'brew_active',
+    'unique_id': 'GS01234_brew_active',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_binary_sensors[GS01234_water_tank_empty-binary_sensor]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'device_class': 'problem',
+      'friendly_name': 'GS01234 Water tank empty',
+      'icon': 'mdi:water-check',
+    }),
+    'context': <ANY>,
+    'entity_id': 'binary_sensor.gs01234_water_tank_empty',
+    'last_changed': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'off',
+  })
+# ---
+# name: test_binary_sensors[GS01234_water_tank_empty-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'binary_sensor',
+    'entity_category': <EntityCategory.DIAGNOSTIC: 'diagnostic'>,
+    'entity_id': 'binary_sensor.gs01234_water_tank_empty',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': <BinarySensorDeviceClass.PROBLEM: 'problem'>,
+    'original_icon': 'mdi:water-check',
+    'original_name': 'Water tank empty',
+    'platform': 'lamarzocco',
+    'previous_unique_id': None,
+    'supported_features': 0,
+    'translation_key': 'water_tank',
+    'unique_id': 'GS01234_water_tank',
+    'unit_of_measurement': None,
+  })
+# ---
diff --git a/tests/components/lamarzocco/test_binary_sensor.py b/tests/components/lamarzocco/test_binary_sensor.py
new file mode 100644
index 00000000000..e475e663768
--- /dev/null
+++ b/tests/components/lamarzocco/test_binary_sensor.py
@@ -0,0 +1,71 @@
+"""Tests for La Marzocco binary sensors."""
+from unittest.mock import MagicMock
+
+import pytest
+from syrupy import SnapshotAssertion
+
+from homeassistant.const import STATE_UNAVAILABLE
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers import entity_registry as er
+
+from . import async_init_integration
+
+from tests.common import MockConfigEntry
+
+BINARY_SENSORS = (
+    "brewing_active",
+    "water_tank_empty",
+)
+
+
+async def test_binary_sensors(
+    hass: HomeAssistant,
+    mock_lamarzocco: MagicMock,
+    mock_config_entry: MockConfigEntry,
+    entity_registry: er.EntityRegistry,
+    snapshot: SnapshotAssertion,
+) -> None:
+    """Test the La Marzocco binary sensors."""
+
+    await async_init_integration(hass, mock_config_entry)
+
+    serial_number = mock_lamarzocco.serial_number
+
+    for binary_sensor in BINARY_SENSORS:
+        state = hass.states.get(f"binary_sensor.{serial_number}_{binary_sensor}")
+        assert state
+        assert state == snapshot(name=f"{serial_number}_{binary_sensor}-binary_sensor")
+
+        entry = entity_registry.async_get(state.entity_id)
+        assert entry
+        assert entry.device_id
+        assert entry == snapshot(name=f"{serial_number}_{binary_sensor}-entry")
+
+
+@pytest.mark.usefixtures("remove_local_connection")
+async def test_brew_active_does_not_exists(
+    hass: HomeAssistant,
+    mock_lamarzocco: MagicMock,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """Test the La Marzocco currently_making_coffee doesn't exist if host not set."""
+
+    await async_init_integration(hass, mock_config_entry)
+    state = hass.states.get(f"sensor.{mock_lamarzocco.serial_number}_brewing_active")
+    assert state is None
+
+
+async def test_brew_active_unavailable(
+    hass: HomeAssistant,
+    mock_lamarzocco: MagicMock,
+    mock_config_entry: MockConfigEntry,
+) -> None:
+    """Test the La Marzocco currently_making_coffee becomes unavailable."""
+
+    mock_lamarzocco.websocket_connected = False
+    await async_init_integration(hass, mock_config_entry)
+    state = hass.states.get(
+        f"binary_sensor.{mock_lamarzocco.serial_number}_brewing_active"
+    )
+    assert state
+    assert state.state == STATE_UNAVAILABLE