diff --git a/google/cloud/monitoring_dashboard_v1/services/dashboards_service/async_client.py b/google/cloud/monitoring_dashboard_v1/services/dashboards_service/async_client.py
index a582e0e..df96c58 100644
--- a/google/cloud/monitoring_dashboard_v1/services/dashboards_service/async_client.py
+++ b/google/cloud/monitoring_dashboard_v1/services/dashboards_service/async_client.py
@@ -444,6 +444,12 @@ async def update_dashboard(
         # Done; return the response.
         return response
 
+    async def __aenter__(self):
+        return self
+
+    async def __aexit__(self, exc_type, exc, tb):
+        await self.transport.close()
+
 
 try:
     DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
diff --git a/google/cloud/monitoring_dashboard_v1/services/dashboards_service/client.py b/google/cloud/monitoring_dashboard_v1/services/dashboards_service/client.py
index 986dc71..b1994db 100644
--- a/google/cloud/monitoring_dashboard_v1/services/dashboards_service/client.py
+++ b/google/cloud/monitoring_dashboard_v1/services/dashboards_service/client.py
@@ -362,10 +362,7 @@ def __init__(
                 client_cert_source_for_mtls=client_cert_source_func,
                 quota_project_id=client_options.quota_project_id,
                 client_info=client_info,
-                always_use_jwt_access=(
-                    Transport == type(self).get_transport_class("grpc")
-                    or Transport == type(self).get_transport_class("grpc_asyncio")
-                ),
+                always_use_jwt_access=True,
             )
 
     def create_dashboard(
@@ -648,6 +645,19 @@ def update_dashboard(
         # Done; return the response.
         return response
 
+    def __enter__(self):
+        return self
+
+    def __exit__(self, type, value, traceback):
+        """Releases underlying transport's resources.
+
+        .. warning::
+            ONLY use as a context manager if the transport is NOT shared
+            with other clients! Exiting the with block will CLOSE the transport
+            and may cause errors in other clients!
+        """
+        self.transport.close()
+
 
 try:
     DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
diff --git a/google/cloud/monitoring_dashboard_v1/services/dashboards_service/transports/base.py b/google/cloud/monitoring_dashboard_v1/services/dashboards_service/transports/base.py
index 775559b..143a306 100644
--- a/google/cloud/monitoring_dashboard_v1/services/dashboards_service/transports/base.py
+++ b/google/cloud/monitoring_dashboard_v1/services/dashboards_service/transports/base.py
@@ -178,6 +178,15 @@ def _prep_wrapped_messages(self, client_info):
             ),
         }
 
+    def close(self):
+        """Closes resources associated with the transport.
+
+       .. warning::
+            Only call this method if the transport is NOT shared
+            with other clients - this may cause errors in other clients!
+        """
+        raise NotImplementedError()
+
     @property
     def create_dashboard(
         self,
diff --git a/google/cloud/monitoring_dashboard_v1/services/dashboards_service/transports/grpc.py b/google/cloud/monitoring_dashboard_v1/services/dashboards_service/transports/grpc.py
index 64c8c1d..39fdb51 100644
--- a/google/cloud/monitoring_dashboard_v1/services/dashboards_service/transports/grpc.py
+++ b/google/cloud/monitoring_dashboard_v1/services/dashboards_service/transports/grpc.py
@@ -387,5 +387,8 @@ def update_dashboard(
             )
         return self._stubs["update_dashboard"]
 
+    def close(self):
+        self.grpc_channel.close()
+
 
 __all__ = ("DashboardsServiceGrpcTransport",)
diff --git a/google/cloud/monitoring_dashboard_v1/services/dashboards_service/transports/grpc_asyncio.py b/google/cloud/monitoring_dashboard_v1/services/dashboards_service/transports/grpc_asyncio.py
index fe1c3cf..93bf46c 100644
--- a/google/cloud/monitoring_dashboard_v1/services/dashboards_service/transports/grpc_asyncio.py
+++ b/google/cloud/monitoring_dashboard_v1/services/dashboards_service/transports/grpc_asyncio.py
@@ -398,5 +398,8 @@ def update_dashboard(
             )
         return self._stubs["update_dashboard"]
 
+    def close(self):
+        return self.grpc_channel.close()
+
 
 __all__ = ("DashboardsServiceGrpcAsyncIOTransport",)
diff --git a/google/cloud/monitoring_dashboard_v1/types/alertchart.py b/google/cloud/monitoring_dashboard_v1/types/alertchart.py
index 0bb3029..69dfc9f 100644
--- a/google/cloud/monitoring_dashboard_v1/types/alertchart.py
+++ b/google/cloud/monitoring_dashboard_v1/types/alertchart.py
@@ -23,6 +23,7 @@
 
 class AlertChart(proto.Message):
     r"""A chart that displays alert policy data.
+
     Attributes:
         name (str):
             Required. The resource name of the alert policy. The format
diff --git a/google/cloud/monitoring_dashboard_v1/types/dashboards_service.py b/google/cloud/monitoring_dashboard_v1/types/dashboards_service.py
index 825228e..84cda3c 100644
--- a/google/cloud/monitoring_dashboard_v1/types/dashboards_service.py
+++ b/google/cloud/monitoring_dashboard_v1/types/dashboards_service.py
@@ -33,6 +33,7 @@
 
 class CreateDashboardRequest(proto.Message):
     r"""The ``CreateDashboard`` request.
+
     Attributes:
         parent (str):
             Required. The project on which to execute the request. The
@@ -59,6 +60,7 @@ class CreateDashboardRequest(proto.Message):
 
 class ListDashboardsRequest(proto.Message):
     r"""The ``ListDashboards`` request.
+
     Attributes:
         parent (str):
             Required. The scope of the dashboards to list. The format
@@ -85,6 +87,7 @@ class ListDashboardsRequest(proto.Message):
 
 class ListDashboardsResponse(proto.Message):
     r"""The ``ListDashboards`` request.
+
     Attributes:
         dashboards (Sequence[google.cloud.monitoring_dashboard_v1.types.Dashboard]):
             The list of requested dashboards.
@@ -107,6 +110,7 @@ def raw_page(self):
 
 class GetDashboardRequest(proto.Message):
     r"""The ``GetDashboard`` request.
+
     Attributes:
         name (str):
             Required. The resource name of the Dashboard. The format is
@@ -122,6 +126,7 @@ class GetDashboardRequest(proto.Message):
 
 class DeleteDashboardRequest(proto.Message):
     r"""The ``DeleteDashboard`` request.
+
     Attributes:
         name (str):
             Required. The resource name of the Dashboard. The format is:
@@ -136,6 +141,7 @@ class DeleteDashboardRequest(proto.Message):
 
 class UpdateDashboardRequest(proto.Message):
     r"""The ``UpdateDashboard`` request.
+
     Attributes:
         dashboard (google.cloud.monitoring_dashboard_v1.types.Dashboard):
             Required. The dashboard that will replace the
diff --git a/google/cloud/monitoring_dashboard_v1/types/layouts.py b/google/cloud/monitoring_dashboard_v1/types/layouts.py
index fbfbb6b..d4ec2cb 100644
--- a/google/cloud/monitoring_dashboard_v1/types/layouts.py
+++ b/google/cloud/monitoring_dashboard_v1/types/layouts.py
@@ -104,6 +104,7 @@ class RowLayout(proto.Message):
 
     class Row(proto.Message):
         r"""Defines the layout properties and content for a row.
+
         Attributes:
             weight (int):
                 The relative weight of this row. The row
@@ -137,6 +138,7 @@ class ColumnLayout(proto.Message):
 
     class Column(proto.Message):
         r"""Defines the layout properties and content for a column.
+
         Attributes:
             weight (int):
                 The relative weight of this column. The
diff --git a/google/cloud/monitoring_dashboard_v1/types/metrics.py b/google/cloud/monitoring_dashboard_v1/types/metrics.py
index 784d502..abcaa68 100644
--- a/google/cloud/monitoring_dashboard_v1/types/metrics.py
+++ b/google/cloud/monitoring_dashboard_v1/types/metrics.py
@@ -176,6 +176,7 @@ class RatioPart(proto.Message):
 
 class Threshold(proto.Message):
     r"""Defines a threshold for categorizing time series values.
+
     Attributes:
         label (str):
             A label for the threshold.
diff --git a/google/cloud/monitoring_dashboard_v1/types/text.py b/google/cloud/monitoring_dashboard_v1/types/text.py
index 81da18b..8fb4831 100644
--- a/google/cloud/monitoring_dashboard_v1/types/text.py
+++ b/google/cloud/monitoring_dashboard_v1/types/text.py
@@ -23,6 +23,7 @@
 
 class Text(proto.Message):
     r"""A widget that displays textual content.
+
     Attributes:
         content (str):
             The text content to be displayed.
diff --git a/google/cloud/monitoring_dashboard_v1/types/xychart.py b/google/cloud/monitoring_dashboard_v1/types/xychart.py
index 0f78b40..d77adec 100644
--- a/google/cloud/monitoring_dashboard_v1/types/xychart.py
+++ b/google/cloud/monitoring_dashboard_v1/types/xychart.py
@@ -26,6 +26,7 @@
 
 class XyChart(proto.Message):
     r"""A chart that displays data on a 2D (X and Y axes) plane.
+
     Attributes:
         data_sets (Sequence[google.cloud.monitoring_dashboard_v1.types.XyChart.DataSet]):
             Required. The data displayed in this chart.
@@ -50,6 +51,7 @@ class XyChart(proto.Message):
 
     class DataSet(proto.Message):
         r"""Groups a time series query definition with charting options.
+
         Attributes:
             time_series_query (google.cloud.monitoring_dashboard_v1.types.TimeSeriesQuery):
                 Required. Fields for querying time series
@@ -90,6 +92,7 @@ class PlotType(proto.Enum):
 
     class Axis(proto.Message):
         r"""A chart axis.
+
         Attributes:
             label (str):
                 The label of the axis.
@@ -121,6 +124,7 @@ class Scale(proto.Enum):
 
 class ChartOptions(proto.Message):
     r"""Options to control visual rendering of a chart.
+
     Attributes:
         mode (google.cloud.monitoring_dashboard_v1.types.ChartOptions.Mode):
             The chart mode.
diff --git a/tests/unit/gapic/dashboard_v1/test_dashboards_service.py b/tests/unit/gapic/dashboard_v1/test_dashboards_service.py
index e30e6ea..373bcb5 100644
--- a/tests/unit/gapic/dashboard_v1/test_dashboards_service.py
+++ b/tests/unit/gapic/dashboard_v1/test_dashboards_service.py
@@ -29,6 +29,7 @@
 from google.api_core import gapic_v1
 from google.api_core import grpc_helpers
 from google.api_core import grpc_helpers_async
+from google.api_core import path_template
 from google.auth import credentials as ga_credentials
 from google.auth.exceptions import MutualTLSChannelError
 from google.cloud.monitoring_dashboard_v1.services.dashboards_service import (
@@ -1479,6 +1480,9 @@ def test_dashboards_service_base_transport():
         with pytest.raises(NotImplementedError):
             getattr(transport, method)(request=object())
 
+    with pytest.raises(NotImplementedError):
+        transport.close()
+
 
 @requires_google_auth_gte_1_25_0
 def test_dashboards_service_base_transport_with_credentials_file():
@@ -2016,3 +2020,49 @@ def test_client_withDEFAULT_CLIENT_INFO():
             credentials=ga_credentials.AnonymousCredentials(), client_info=client_info,
         )
         prep.assert_called_once_with(client_info)
+
+
+@pytest.mark.asyncio
+async def test_transport_close_async():
+    client = DashboardsServiceAsyncClient(
+        credentials=ga_credentials.AnonymousCredentials(), transport="grpc_asyncio",
+    )
+    with mock.patch.object(
+        type(getattr(client.transport, "grpc_channel")), "close"
+    ) as close:
+        async with client:
+            close.assert_not_called()
+        close.assert_called_once()
+
+
+def test_transport_close():
+    transports = {
+        "grpc": "_grpc_channel",
+    }
+
+    for transport, close_name in transports.items():
+        client = DashboardsServiceClient(
+            credentials=ga_credentials.AnonymousCredentials(), transport=transport
+        )
+        with mock.patch.object(
+            type(getattr(client.transport, close_name)), "close"
+        ) as close:
+            with client:
+                close.assert_not_called()
+            close.assert_called_once()
+
+
+def test_client_ctx():
+    transports = [
+        "grpc",
+    ]
+    for transport in transports:
+        client = DashboardsServiceClient(
+            credentials=ga_credentials.AnonymousCredentials(), transport=transport
+        )
+        # Test client calls underlying transport.
+        with mock.patch.object(type(client.transport), "close") as close:
+            close.assert_not_called()
+            with client:
+                pass
+            close.assert_called()