diff --git a/internal/services/appservice/linux_web_app_data_source.go b/internal/services/appservice/linux_web_app_data_source.go
index 5e714212dc6b..c978ecd6c6c4 100644
--- a/internal/services/appservice/linux_web_app_data_source.go
+++ b/internal/services/appservice/linux_web_app_data_source.go
@@ -311,6 +311,9 @@ func (r LinuxWebAppDataSource) Read() sdk.ResourceFunc {
 				webApp.OutboundIPAddressList = strings.Split(webApp.OutboundIPAddresses, ",")
 				webApp.PossibleOutboundIPAddresses = utils.NormalizeNilableString(props.PossibleOutboundIPAddresses)
 				webApp.PossibleOutboundIPAddressList = strings.Split(webApp.PossibleOutboundIPAddresses, ",")
+				if subnetId := utils.NormalizeNilableString(props.VirtualNetworkSubnetID); subnetId != "" {
+					webApp.VirtualNetworkSubnetID = subnetId
+				}
 			}
 
 			webApp.AuthSettings = helpers.FlattenAuthSettings(auth)
diff --git a/internal/services/appservice/windows_web_app_data_source.go b/internal/services/appservice/windows_web_app_data_source.go
index 53ebad72ca6a..6bdf98710bca 100644
--- a/internal/services/appservice/windows_web_app_data_source.go
+++ b/internal/services/appservice/windows_web_app_data_source.go
@@ -303,6 +303,9 @@ func (d WindowsWebAppDataSource) Read() sdk.ResourceFunc {
 				webApp.OutboundIPAddressList = strings.Split(webApp.OutboundIPAddresses, ",")
 				webApp.PossibleOutboundIPAddresses = utils.NormalizeNilableString(props.PossibleOutboundIPAddresses)
 				webApp.PossibleOutboundIPAddressList = strings.Split(webApp.PossibleOutboundIPAddresses, ",")
+				if subnetId := utils.NormalizeNilableString(props.VirtualNetworkSubnetID); subnetId != "" {
+					webApp.VirtualNetworkSubnetID = subnetId
+				}
 			}
 
 			webApp.AuthSettings = helpers.FlattenAuthSettings(auth)
diff --git a/website/docs/d/linux_web_app.html.markdown b/website/docs/d/linux_web_app.html.markdown
index 0640d6aabe28..88f3df6f2bf8 100644
--- a/website/docs/d/linux_web_app.html.markdown
+++ b/website/docs/d/linux_web_app.html.markdown
@@ -89,6 +89,8 @@ In addition to the Arguments listed above - the following Attributes are exporte
 
 * `storage_account` - A `storage_account` block as defined below.
 
+* `virtual_network_subnet_id` - The subnet id which the Linux Web App is vNet Integrated with.
+
 * `tags` - A mapping of tags assigned to the Linux Web App.
 
 ---