diff --git a/src/Components/Components/ref/Microsoft.AspNetCore.Components.netstandard2.0.cs b/src/Components/Components/ref/Microsoft.AspNetCore.Components.netstandard2.0.cs
index b615df9df1a9..1500126c495a 100644
--- a/src/Components/Components/ref/Microsoft.AspNetCore.Components.netstandard2.0.cs
+++ b/src/Components/Components/ref/Microsoft.AspNetCore.Components.netstandard2.0.cs
@@ -398,7 +398,7 @@ public readonly partial struct RenderHandle
         public System.Threading.Tasks.Task InvokeAsync(System.Func<System.Threading.Tasks.Task> workItem) { throw null; }
         public void Render(Microsoft.AspNetCore.Components.RenderFragment renderFragment) { }
     }
-    [System.AttributeUsageAttribute(System.AttributeTargets.Class, AllowMultiple=true, Inherited=true)]
+    [System.AttributeUsageAttribute(System.AttributeTargets.Class, AllowMultiple=true, Inherited=false)]
     public partial class RouteAttribute : System.Attribute
     {
         public RouteAttribute(string template) { }
diff --git a/src/Components/Components/src/RouteAttribute.cs b/src/Components/Components/src/RouteAttribute.cs
index f46d04910fa7..a503dab19554 100644
--- a/src/Components/Components/src/RouteAttribute.cs
+++ b/src/Components/Components/src/RouteAttribute.cs
@@ -1,4 +1,4 @@
-// Copyright (c) .NET Foundation. All rights reserved.
+// Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
@@ -8,7 +8,7 @@ namespace Microsoft.AspNetCore.Components
     /// <summary>
     /// Indicates that the associated component should match the specified route template pattern.
     /// </summary>
-    [AttributeUsage(AttributeTargets.Class, AllowMultiple = true, Inherited = true)]
+    [AttributeUsage(AttributeTargets.Class, AllowMultiple = true, Inherited = false)]
     public class RouteAttribute : Attribute
     {
         /// <summary>
diff --git a/src/Components/Components/src/Routing/RouteTable.cs b/src/Components/Components/src/Routing/RouteTable.cs
index 0a30f7cbaeba..4449c00f3cc4 100644
--- a/src/Components/Components/src/Routing/RouteTable.cs
+++ b/src/Components/Components/src/Routing/RouteTable.cs
@@ -1,4 +1,4 @@
-// Copyright (c) .NET Foundation. All rights reserved.
+// Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
@@ -23,7 +23,12 @@ public static RouteTable Create(IEnumerable<Type> types)
             var routes = new List<RouteEntry>();
             foreach (var type in types)
             {
-                var routeAttributes = type.GetCustomAttributes<RouteAttribute>(); // Inherit: true?
+                // We're deliberately using inherit = false here.
+                //
+                // RouteAttribute is defined as non-inherited, because inheriting a route attribute always causes an
+                // ambiguity. You end up with two components (base class and derived class) with the same route.
+                var routeAttributes = type.GetCustomAttributes<RouteAttribute>(inherit: false);
+
                 foreach (var routeAttribute in routeAttributes)
                 {
                     var template = TemplateParser.ParseTemplate(routeAttribute.Template);
diff --git a/src/Components/Components/test/Routing/RouteTableTests.cs b/src/Components/Components/test/Routing/RouteTableTests.cs
index a4144dcfaf5e..830024940ec9 100644
--- a/src/Components/Components/test/Routing/RouteTableTests.cs
+++ b/src/Components/Components/test/Routing/RouteTableTests.cs
@@ -11,6 +11,39 @@ namespace Microsoft.AspNetCore.Components.Test.Routing
 {
     public class RouteTableTests
     {
+        [Fact]
+        public void CanDiscoverRoute()
+        {
+            // Arrange & Act
+            var routes = RouteTable.Create(new[] { typeof(MyComponent), });
+
+            // Assert
+            Assert.Equal("Test1", Assert.Single(routes.Routes).Template.TemplateText);
+        }
+
+        [Route("Test1")]
+        private class MyComponent : ComponentBase
+        {
+        }
+
+        [Fact]
+        public void CanDiscoverRoutes_WithInheritance()
+        {
+            // Arrange & Act
+            var routes = RouteTable.Create(new[] { typeof(MyComponent), typeof(MyInheritedComponent), });
+
+            // Assert
+            Assert.Collection(
+                routes.Routes.OrderBy(r => r.Template.TemplateText),
+                r => Assert.Equal("Test1", r.Template.TemplateText),
+                r => Assert.Equal("Test2", r.Template.TemplateText));
+        }
+
+        [Route("Test2")]
+        private class MyInheritedComponent : MyComponent
+        {
+        }
+
         [Fact]
         public void CanMatchRootTemplate()
         {