diff --git a/src/Compilers/CSharp/Portable/Symbols/Source/SourceMemberContainerSymbol.cs b/src/Compilers/CSharp/Portable/Symbols/Source/SourceMemberContainerSymbol.cs
index 40e7f04cc0ebf..3d7f8bb62991e 100644
--- a/src/Compilers/CSharp/Portable/Symbols/Source/SourceMemberContainerSymbol.cs
+++ b/src/Compilers/CSharp/Portable/Symbols/Source/SourceMemberContainerSymbol.cs
@@ -2734,7 +2734,7 @@ private void CheckSequentialOnPartialType(BindingDiagnosticBag diagnostics)
 
                 foreach (var m in syntax.Members)
                 {
-                    if (HasInstanceData(m))
+                    if (hasInstanceData(m))
                     {
                         if (whereFoundField != null && whereFoundField != syntaxRef)
                         {
@@ -2754,35 +2754,36 @@ private void CheckSequentialOnPartialType(BindingDiagnosticBag diagnostics)
                 diagnostics.Add(ErrorCode.WRN_SequentialOnPartialClass, GetFirstLocation(), this);
                 return;
             }
-        }
 
-        private static bool HasInstanceData(MemberDeclarationSyntax m)
-        {
-            switch (m.Kind())
-            {
-                case SyntaxKind.FieldDeclaration:
-                    var fieldDecl = (FieldDeclarationSyntax)m;
-                    return
-                        !ContainsModifier(fieldDecl.Modifiers, SyntaxKind.StaticKeyword) &&
-                        !ContainsModifier(fieldDecl.Modifiers, SyntaxKind.ConstKeyword);
-                case SyntaxKind.PropertyDeclaration:
-                    // auto-property
-                    var propertyDecl = (PropertyDeclarationSyntax)m;
-                    return
-                        !ContainsModifier(propertyDecl.Modifiers, SyntaxKind.StaticKeyword) &&
-                        !ContainsModifier(propertyDecl.Modifiers, SyntaxKind.AbstractKeyword) &&
-                        !ContainsModifier(propertyDecl.Modifiers, SyntaxKind.ExternKeyword) &&
-                        propertyDecl.AccessorList != null &&
-                        All(propertyDecl.AccessorList.Accessors, a => a.Body == null && a.ExpressionBody == null);
-                case SyntaxKind.EventFieldDeclaration:
-                    // field-like event declaration
-                    var eventFieldDecl = (EventFieldDeclarationSyntax)m;
-                    return
-                        !ContainsModifier(eventFieldDecl.Modifiers, SyntaxKind.StaticKeyword) &&
-                        !ContainsModifier(eventFieldDecl.Modifiers, SyntaxKind.AbstractKeyword) &&
-                        !ContainsModifier(eventFieldDecl.Modifiers, SyntaxKind.ExternKeyword);
-                default:
-                    return false;
+            static bool hasInstanceData(MemberDeclarationSyntax m)
+            {
+                switch (m.Kind())
+                {
+                    case SyntaxKind.FieldDeclaration:
+                        var fieldDecl = (FieldDeclarationSyntax)m;
+                        return
+                            !ContainsModifier(fieldDecl.Modifiers, SyntaxKind.StaticKeyword) &&
+                            !ContainsModifier(fieldDecl.Modifiers, SyntaxKind.ConstKeyword);
+                    case SyntaxKind.PropertyDeclaration:
+                        // auto-property
+                        var propertyDecl = (PropertyDeclarationSyntax)m;
+                        return
+                            !ContainsModifier(propertyDecl.Modifiers, SyntaxKind.StaticKeyword) &&
+                            !ContainsModifier(propertyDecl.Modifiers, SyntaxKind.AbstractKeyword) &&
+                            !ContainsModifier(propertyDecl.Modifiers, SyntaxKind.ExternKeyword) &&
+                            !ContainsModifier(propertyDecl.Modifiers, SyntaxKind.PartialKeyword) &&
+                            propertyDecl.AccessorList != null &&
+                            All(propertyDecl.AccessorList.Accessors, a => a.Body == null && a.ExpressionBody == null);
+                    case SyntaxKind.EventFieldDeclaration:
+                        // field-like event declaration
+                        var eventFieldDecl = (EventFieldDeclarationSyntax)m;
+                        return
+                            !ContainsModifier(eventFieldDecl.Modifiers, SyntaxKind.StaticKeyword) &&
+                            !ContainsModifier(eventFieldDecl.Modifiers, SyntaxKind.AbstractKeyword) &&
+                            !ContainsModifier(eventFieldDecl.Modifiers, SyntaxKind.ExternKeyword);
+                    default:
+                        return false;
+                }
             }
         }
 
diff --git a/src/Compilers/CSharp/Test/Symbol/Symbols/PartialPropertiesTests.cs b/src/Compilers/CSharp/Test/Symbol/Symbols/PartialPropertiesTests.cs
index d1a8b34d21ea1..36758dd62d35b 100644
--- a/src/Compilers/CSharp/Test/Symbol/Symbols/PartialPropertiesTests.cs
+++ b/src/Compilers/CSharp/Test/Symbol/Symbols/PartialPropertiesTests.cs
@@ -4985,7 +4985,7 @@ partial class C
                 {
                     public partial int Prop1 { get; set; }
                     public partial int Prop1 { get => 1; set; }
-                    
+
                     public partial int Prop2 { get; set; }
                     public partial int Prop2 { get; set { } }
                 }
@@ -5000,5 +5000,51 @@ partial class C
                 //     public partial int Prop2 { get; set { } }
                 Diagnostic(ErrorCode.ERR_ConcreteMissingBody, "get").WithArguments("C.Prop2.get").WithLocation(7, 32));
         }
+
+        [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/74679")]
+        public void WRN_SequentialOnPartialClass_NotReportedForPartialProperty_01()
+        {
+            var source = """
+                partial struct S
+                {
+                    partial int I { get; }
+                }
+
+                partial struct S
+                {
+                    public S() => i = 42;
+                    private readonly int i;
+                    partial int I => i;
+                }
+                """;
+
+            var comp = CreateCompilation(source);
+            comp.VerifyEmitDiagnostics();
+        }
+
+        [Fact, WorkItem("https://github.com/dotnet/roslyn/issues/74679")]
+        public void WRN_SequentialOnPartialClass_NotReportedForPartialProperty_02()
+        {
+            var source = """
+                partial struct S
+                {
+                    partial int I { get; }
+                }
+
+                partial struct S
+                {
+                    partial int I => i;
+                }
+
+                partial struct S
+                {
+                    public S() => i = 42;
+                    private readonly int i;
+                }
+                """;
+
+            var comp = CreateCompilation(source);
+            comp.VerifyEmitDiagnostics();
+        }
     }
 }