diff --git a/homeassistant/components/lacrosse_view/diagnostics.py b/homeassistant/components/lacrosse_view/diagnostics.py
new file mode 100644
index 00000000000..754cc39d38e
--- /dev/null
+++ b/homeassistant/components/lacrosse_view/diagnostics.py
@@ -0,0 +1,28 @@
+"""Diagnostics support for LaCrosse View."""
+from __future__ import annotations
+
+from typing import Any
+
+from homeassistant.components.diagnostics import async_redact_data
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.const import CONF_PASSWORD, CONF_USERNAME
+from homeassistant.core import HomeAssistant
+
+from .const import DOMAIN
+from .coordinator import LaCrosseUpdateCoordinator
+
+TO_REDACT = {CONF_PASSWORD, CONF_USERNAME}
+
+
+async def async_get_config_entry_diagnostics(
+    hass: HomeAssistant, entry: ConfigEntry
+) -> dict[str, Any]:
+    """Return diagnostics for a config entry."""
+    coordinator: LaCrosseUpdateCoordinator = hass.data[DOMAIN][entry.entry_id][
+        "coordinator"
+    ]
+
+    return {
+        "entry": async_redact_data(entry.as_dict(), TO_REDACT),
+        "coordinator_data": coordinator.data,
+    }
diff --git a/tests/components/lacrosse_view/snapshots/test_diagnostics.ambr b/tests/components/lacrosse_view/snapshots/test_diagnostics.ambr
new file mode 100644
index 00000000000..30094f97cd3
--- /dev/null
+++ b/tests/components/lacrosse_view/snapshots/test_diagnostics.ambr
@@ -0,0 +1,30 @@
+# serializer version: 1
+# name: test_entry_diagnostics
+  dict({
+    'coordinator_data': list([
+      dict({
+        '__type': "<class 'lacrosse_view.Sensor'>",
+        'repr': "Sensor(name='Test', device_id='1', type='Test', sensor_id='2', sensor_field_names=['Temperature'], location=Location(id='1', name='Test'), permissions={'read': True}, model='Test', data={'Temperature': {'values': [{'s': '2'}], 'unit': 'degrees_celsius'}})",
+      }),
+    ]),
+    'entry': dict({
+      'data': dict({
+        'id': '1',
+        'name': 'Test',
+        'password': '**REDACTED**',
+        'username': '**REDACTED**',
+      }),
+      'disabled_by': None,
+      'domain': 'lacrosse_view',
+      'entry_id': 'lacrosse_view_test_entry_id',
+      'options': dict({
+      }),
+      'pref_disable_new_entities': False,
+      'pref_disable_polling': False,
+      'source': 'user',
+      'title': 'Mock Title',
+      'unique_id': None,
+      'version': 1,
+    }),
+  })
+# ---
diff --git a/tests/components/lacrosse_view/test_diagnostics.py b/tests/components/lacrosse_view/test_diagnostics.py
new file mode 100644
index 00000000000..29d6f7cacbe
--- /dev/null
+++ b/tests/components/lacrosse_view/test_diagnostics.py
@@ -0,0 +1,36 @@
+"""Test diagnostics of LaCrosse View."""
+from unittest.mock import patch
+
+from syrupy.assertion import SnapshotAssertion
+
+from homeassistant.components.lacrosse_view import DOMAIN
+from homeassistant.core import HomeAssistant
+
+from . import MOCK_ENTRY_DATA, TEST_SENSOR
+
+from tests.common import MockConfigEntry
+from tests.components.diagnostics import get_diagnostics_for_config_entry
+from tests.typing import ClientSessionGenerator
+
+
+async def test_entry_diagnostics(
+    hass: HomeAssistant,
+    hass_client: ClientSessionGenerator,
+    snapshot: SnapshotAssertion,
+) -> None:
+    """Test config entry diagnostics."""
+    config_entry = MockConfigEntry(
+        domain=DOMAIN, data=MOCK_ENTRY_DATA, entry_id="lacrosse_view_test_entry_id"
+    )
+    config_entry.add_to_hass(hass)
+
+    with patch("lacrosse_view.LaCrosse.login", return_value=True), patch(
+        "lacrosse_view.LaCrosse.get_sensors", return_value=[TEST_SENSOR]
+    ):
+        assert await hass.config_entries.async_setup(config_entry.entry_id)
+        await hass.async_block_till_done()
+
+    assert (
+        await get_diagnostics_for_config_entry(hass, hass_client, config_entry)
+        == snapshot
+    )