diff --git a/src/Razor/Microsoft.NET.Sdk.Razor/src/build/netstandard2.0/Sdk.Razor.CurrentVersion.props b/src/Razor/Microsoft.NET.Sdk.Razor/src/build/netstandard2.0/Sdk.Razor.CurrentVersion.props
index 3bc7a24d9eed..795c769a0681 100644
--- a/src/Razor/Microsoft.NET.Sdk.Razor/src/build/netstandard2.0/Sdk.Razor.CurrentVersion.props
+++ b/src/Razor/Microsoft.NET.Sdk.Razor/src/build/netstandard2.0/Sdk.Razor.CurrentVersion.props
@@ -78,6 +78,11 @@ Copyright (c) .NET Foundation. All rights reserved.
     This property affects C# projects targeting 3.0 or later.
     -->
     <RazorUpToDateReloadFileTypes>.cs;.razor;.resx;.cshtml</RazorUpToDateReloadFileTypes>
+
+    <!--
+    Target used by dotnet-watch to resolve additional items.
+    -->
+    <CustomCollectWatchItems>$(CustomCollectWatchItems);_RazorSdkCustomCollectWatchItems</CustomCollectWatchItems>
   </PropertyGroup>
 
   <ItemGroup Condition="'$(EnableDefaultItems)' == 'true' And '$(EnableDefaultContentItems)' == 'true'">
diff --git a/src/Razor/Microsoft.NET.Sdk.Razor/src/build/netstandard2.0/Sdk.Razor.CurrentVersion.targets b/src/Razor/Microsoft.NET.Sdk.Razor/src/build/netstandard2.0/Sdk.Razor.CurrentVersion.targets
index 7930682638c7..59c8868339b9 100644
--- a/src/Razor/Microsoft.NET.Sdk.Razor/src/build/netstandard2.0/Sdk.Razor.CurrentVersion.targets
+++ b/src/Razor/Microsoft.NET.Sdk.Razor/src/build/netstandard2.0/Sdk.Razor.CurrentVersion.targets
@@ -327,12 +327,6 @@ Copyright (c) .NET Foundation. All rights reserved.
     -->
     <UpToDateCheckBuilt Include="@(RazorIntermediateAssembly)"
       Condition="'$(RazorCompileOnBuild)'=='true' AND '@(Content->WithMetadataValue('Extension', '.cshtml'))' != ''" Set="RazorViews" />
-
-    <!-- Set up watchers for dotnet-watch -->
-    <Watch Include="@(Content->WithMetadataValue('Extension', '.razor'))" />
-
-    <Watch Include="@(Content->WithMetadataValue('Extension', '.cshtml'))"
-      Condition="'$(_Targeting30OrNewerRazorLangVersion)' == 'true' AND '$(AddCshtmlFilesToDotNetWatchList)' != 'false'" />
   </ItemGroup>
 
   <!--
@@ -870,6 +864,15 @@ Copyright (c) .NET Foundation. All rights reserved.
     </PropertyGroup>
   </Target>
 
+  <Target Name="_RazorSdkCustomCollectWatchItems">
+    <ItemGroup>
+      <Watch Include="%(Content.FullPath)" Condition="'%(Content.Extension)' == '.razor' AND '%(Content.Watch)' != 'false'" />
+      <Watch Include="%(Content.FullPath)" Condition="'%(Content.Extension)' == '.razor.css' AND '%(Content.Watch)' != 'false'" />
+      <Watch Include="%(Content.FullPath)"
+        Condition="'$(_Targeting30OrNewerRazorLangVersion)' == 'true' AND '$(AddCshtmlFilesToDotNetWatchList)' != 'false' AND '%(Content.Extension)' == '.cshtml' AND '%(Content.Watch)' != 'false'" />
+    </ItemGroup>
+  </Target>
+
   <PropertyGroup Condition="'$(RazorDesignTimeTargets)'==''">
     <RazorDesignTimeTargets>$(MSBuildExtensionsPath)\Microsoft\VisualStudio\Razor\Microsoft.NET.Sdk.Razor.DesignTime.targets</RazorDesignTimeTargets>
     <RazorDesignTimeTargets Condition="!Exists('$(RazorDesignTimeTargets)')">$(MSBuildThisFileDirectory)Microsoft.NET.Sdk.Razor.DesignTime.targets</RazorDesignTimeTargets>
diff --git a/src/Tools/dotnet-watch/src/assets/DotNetWatch.targets b/src/Tools/dotnet-watch/src/assets/DotNetWatch.targets
index 4126ed6ec432..7ef050fc8c20 100644
--- a/src/Tools/dotnet-watch/src/assets/DotNetWatch.targets
+++ b/src/Tools/dotnet-watch/src/assets/DotNetWatch.targets
@@ -41,6 +41,7 @@ Returns: @(Watch)
     </_CollectWatchItemsDependsOn>
     <_CollectWatchItemsDependsOn Condition=" '$(TargetFramework)' != '' ">
       _CoreCollectWatchItems;
+      $(CustomCollectWatchItems);
     </_CollectWatchItemsDependsOn>
   </PropertyGroup>
 
diff --git a/src/Tools/dotnet-watch/test/TestProjects/KitchenSink/.gitignore b/src/Tools/dotnet-watch/test/TestProjects/KitchenSink/.gitignore
new file mode 100644
index 000000000000..ab929c6551ce
--- /dev/null
+++ b/src/Tools/dotnet-watch/test/TestProjects/KitchenSink/.gitignore
@@ -0,0 +1 @@
+.net
\ No newline at end of file