diff --git a/src/Razor/Microsoft.NET.Sdk.Razor/src/build/netstandard2.0/Microsoft.NET.Sdk.Razor.DesignTime.targets b/src/Razor/Microsoft.NET.Sdk.Razor/src/build/netstandard2.0/Microsoft.NET.Sdk.Razor.DesignTime.targets
index a9a000aad3..f50984d5f1 100644
--- a/src/Razor/Microsoft.NET.Sdk.Razor/src/build/netstandard2.0/Microsoft.NET.Sdk.Razor.DesignTime.targets
+++ b/src/Razor/Microsoft.NET.Sdk.Razor/src/build/netstandard2.0/Microsoft.NET.Sdk.Razor.DesignTime.targets
@@ -17,7 +17,7 @@ Copyright (c) .NET Foundation. All rights reserved.
       Defines the list of file extensions that VS will monitor to reload the application.
       We'll only define these for C# projects targeting RazorLangVersion 3.0 or later, and let VS use defaults in other cases.
     -->
-    <UpToDateReloadFileTypes Condition="'$(Language)'=='C#' AND '$(_Targeting30OrNewerRazorLangVersion)' == 'true'">$(UpToDateReloadFileTypes);.cs;.razor;.resx;.cshtml</UpToDateReloadFileTypes>
+    <UpToDateReloadFileTypes Condition="'$(Language)'=='C#' AND '$(_Targeting30OrNewerRazorLangVersion)' == 'true' AND '$(RazorUpToDateReloadFileTypes)' == ''">$(UpToDateReloadFileTypes);$(RazorUpToDateReloadFileTypes)</UpToDateReloadFileTypes>
   </PropertyGroup>
 
   <ItemGroup>
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 91dd8fc557..60cc8fecc1 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
@@ -65,6 +65,12 @@ Copyright (c) .NET Foundation. All rights reserved.
 
     <!-- Determines if the refs folder is produced as part of build \ publish -->
     <PreserveCompilationReferences>false</PreserveCompilationReferences>
+
+    <!--
+    List of file extensions that will cause VS to restart the application when RazorSDK is effective.
+    This property affects C# projects targeting 3.0 or later.
+    -->
+    <RazorUpToDateReloadFileTypes>.cs;.razor;.resx;.cshtml</RazorUpToDateReloadFileTypes>
   </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 2a39eddb7a..12fce1cbdf 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
@@ -846,6 +846,16 @@ Copyright (c) .NET Foundation. All rights reserved.
 
   <Import Project="$(RazorDesignTimeTargets)" />
 
+  <PropertyGroup>
+    <!--
+      Defines the list of file extensions that VS will monitor to reload the application.
+      We'll only define these for C# projects targeting RazorLangVersion 3.0 or later, and let VS use defaults in other cases.
+
+      This property can be removed after the next insertion in to VS.
+    -->
+    <UpToDateReloadFileTypes Condition="'$(Language)'=='C#' AND '$(_Targeting30OrNewerRazorLangVersion)' == 'true' AND '$(RazorUpToDateReloadFileTypes)' == ''">$(RazorUpToDateReloadFileTypes)</UpToDateReloadFileTypes>
+  </PropertyGroup>
+
   <!--
     This is a hook to import a set of targets after the Razor targets. By default this is unused.
   -->