diff --git a/clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp b/clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp
--- a/clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp
+++ b/clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp
@@ -351,7 +351,7 @@
     Kind["displayName"] = "Instance Variable";
     break;
   case APIRecord::RK_ObjCMethod:
-    if (dyn_cast<ObjCMethodRecord>(&Record)->IsInstanceMethod) {
+    if (cast<ObjCMethodRecord>(&Record)->IsInstanceMethod) {
       Kind["identifier"] = AddLangPrefix("method");
       Kind["displayName"] = "Instance Method";
     } else {
@@ -360,8 +360,13 @@
     }
     break;
   case APIRecord::RK_ObjCProperty:
-    Kind["identifier"] = AddLangPrefix("property");
-    Kind["displayName"] = "Instance Property";
+    if (cast<ObjCPropertyRecord>(&Record)->isClassProperty()) {
+      Kind["identifier"] = AddLangPrefix("type.property");
+      Kind["displayName"] = "Type Property";
+    } else {
+      Kind["identifier"] = AddLangPrefix("property");
+      Kind["displayName"] = "Instance Property";
+    }
     break;
   case APIRecord::RK_ObjCInterface:
     Kind["identifier"] = AddLangPrefix("class");
diff --git a/clang/test/ExtractAPI/objc_property.m b/clang/test/ExtractAPI/objc_property.m
new file mode 100644
--- /dev/null
+++ b/clang/test/ExtractAPI/objc_property.m
@@ -0,0 +1,745 @@
+// RUN: rm -rf %t
+// RUN: split-file %s %t
+// RUN: sed -e "s@INPUT_DIR@%{/t:regex_replacement}@g" \
+// RUN: %t/reference.output.json.in >> %t/reference.output.json
+// RUN: %clang_cc1 -extract-api -triple arm64-apple-macosx -x objective-c-header %t/input.h -o %t/output.json -verify
+
+// Generator version is not consistent across test runs, normalize it.
+// RUN: sed -e "s@\"generator\": \".*\"@\"generator\": \"?\"@g" \
+// RUN: %t/output.json >> %t/output-normalized.json
+// RUN: diff %t/reference.output.json %t/output-normalized.json
+
+//--- input.h
+@protocol Protocol
+@property(class) int myProtocolTypeProp;
+@property int myProtocolInstanceProp;
+@end
+
+@interface Interface
+@property(class) int myInterfaceTypeProp;
+@property int myInterfaceInstanceProp;
+@end
+
+@interface Interface (Category) <Protocol>
+@property(class) int myCategoryTypeProp;
+@property int myCategoryInstanceProp;
+@end
+// expected-no-diagnostics
+
+//--- reference.output.json.in
+{
+  "metadata": {
+    "formatVersion": {
+      "major": 0,
+      "minor": 5,
+      "patch": 3
+    },
+    "generator": "?"
+  },
+  "module": {
+    "name": "",
+    "platform": {
+      "architecture": "arm64",
+      "operatingSystem": {
+        "minimumVersion": {
+          "major": 11,
+          "minor": 0,
+          "patch": 0
+        },
+        "name": "macosx"
+      },
+      "vendor": "apple"
+    }
+  },
+  "relationships": [
+    {
+      "kind": "memberOf",
+      "source": "c:objc(cs)Interface(cpy)myInterfaceTypeProp",
+      "target": "c:objc(cs)Interface"
+    },
+    {
+      "kind": "memberOf",
+      "source": "c:objc(cs)Interface(py)myInterfaceInstanceProp",
+      "target": "c:objc(cs)Interface"
+    },
+    {
+      "kind": "memberOf",
+      "source": "c:objc(cs)Interface(cpy)myCategoryTypeProp",
+      "target": "c:objc(cs)Interface"
+    },
+    {
+      "kind": "memberOf",
+      "source": "c:objc(cs)Interface(py)myCategoryInstanceProp",
+      "target": "c:objc(cs)Interface"
+    },
+    {
+      "kind": "conformsTo",
+      "source": "c:objc(cs)Interface",
+      "target": "c:objc(pl)Protocol"
+    },
+    {
+      "kind": "memberOf",
+      "source": "c:objc(pl)Protocol(cpy)myProtocolTypeProp",
+      "target": "c:objc(pl)Protocol"
+    },
+    {
+      "kind": "memberOf",
+      "source": "c:objc(pl)Protocol(py)myProtocolInstanceProp",
+      "target": "c:objc(pl)Protocol"
+    }
+  ],
+  "symbols": [
+    {
+      "accessLevel": "public",
+      "declarationFragments": [
+        {
+          "kind": "keyword",
+          "spelling": "@interface"
+        },
+        {
+          "kind": "text",
+          "spelling": " "
+        },
+        {
+          "kind": "identifier",
+          "spelling": "Interface"
+        }
+      ],
+      "identifier": {
+        "interfaceLanguage": "objective-c",
+        "precise": "c:objc(cs)Interface"
+      },
+      "kind": {
+        "displayName": "Class",
+        "identifier": "objective-c.class"
+      },
+      "location": {
+        "position": {
+          "character": 12,
+          "line": 6
+        },
+        "uri": "file://INPUT_DIR/input.h"
+      },
+      "names": {
+        "navigator": [
+          {
+            "kind": "identifier",
+            "spelling": "Interface"
+          }
+        ],
+        "subHeading": [
+          {
+            "kind": "identifier",
+            "spelling": "Interface"
+          }
+        ],
+        "title": "Interface"
+      },
+      "pathComponents": [
+        "Interface"
+      ]
+    },
+    {
+      "accessLevel": "public",
+      "declarationFragments": [
+        {
+          "kind": "keyword",
+          "spelling": "@property"
+        },
+        {
+          "kind": "text",
+          "spelling": " ("
+        },
+        {
+          "kind": "keyword",
+          "spelling": "class"
+        },
+        {
+          "kind": "text",
+          "spelling": ", "
+        },
+        {
+          "kind": "keyword",
+          "spelling": "atomic"
+        },
+        {
+          "kind": "text",
+          "spelling": ", "
+        },
+        {
+          "kind": "keyword",
+          "spelling": "assign"
+        },
+        {
+          "kind": "text",
+          "spelling": ", "
+        },
+        {
+          "kind": "keyword",
+          "spelling": "unsafe_unretained"
+        },
+        {
+          "kind": "text",
+          "spelling": ", "
+        },
+        {
+          "kind": "keyword",
+          "spelling": "readwrite"
+        },
+        {
+          "kind": "text",
+          "spelling": ") "
+        },
+        {
+          "kind": "typeIdentifier",
+          "preciseIdentifier": "c:I",
+          "spelling": "int"
+        },
+        {
+          "kind": "identifier",
+          "spelling": "myInterfaceTypeProp"
+        }
+      ],
+      "identifier": {
+        "interfaceLanguage": "objective-c",
+        "precise": "c:objc(cs)Interface(cpy)myInterfaceTypeProp"
+      },
+      "kind": {
+        "displayName": "Type Property",
+        "identifier": "objective-c.type.property"
+      },
+      "location": {
+        "position": {
+          "character": 22,
+          "line": 7
+        },
+        "uri": "file://INPUT_DIR/input.h"
+      },
+      "names": {
+        "navigator": [
+          {
+            "kind": "identifier",
+            "spelling": "myInterfaceTypeProp"
+          }
+        ],
+        "subHeading": [
+          {
+            "kind": "identifier",
+            "spelling": "myInterfaceTypeProp"
+          }
+        ],
+        "title": "myInterfaceTypeProp"
+      },
+      "pathComponents": [
+        "Interface",
+        "myInterfaceTypeProp"
+      ]
+    },
+    {
+      "accessLevel": "public",
+      "declarationFragments": [
+        {
+          "kind": "keyword",
+          "spelling": "@property"
+        },
+        {
+          "kind": "text",
+          "spelling": " ("
+        },
+        {
+          "kind": "keyword",
+          "spelling": "atomic"
+        },
+        {
+          "kind": "text",
+          "spelling": ", "
+        },
+        {
+          "kind": "keyword",
+          "spelling": "assign"
+        },
+        {
+          "kind": "text",
+          "spelling": ", "
+        },
+        {
+          "kind": "keyword",
+          "spelling": "unsafe_unretained"
+        },
+        {
+          "kind": "text",
+          "spelling": ", "
+        },
+        {
+          "kind": "keyword",
+          "spelling": "readwrite"
+        },
+        {
+          "kind": "text",
+          "spelling": ") "
+        },
+        {
+          "kind": "typeIdentifier",
+          "preciseIdentifier": "c:I",
+          "spelling": "int"
+        },
+        {
+          "kind": "identifier",
+          "spelling": "myInterfaceInstanceProp"
+        }
+      ],
+      "identifier": {
+        "interfaceLanguage": "objective-c",
+        "precise": "c:objc(cs)Interface(py)myInterfaceInstanceProp"
+      },
+      "kind": {
+        "displayName": "Instance Property",
+        "identifier": "objective-c.property"
+      },
+      "location": {
+        "position": {
+          "character": 15,
+          "line": 8
+        },
+        "uri": "file://INPUT_DIR/input.h"
+      },
+      "names": {
+        "navigator": [
+          {
+            "kind": "identifier",
+            "spelling": "myInterfaceInstanceProp"
+          }
+        ],
+        "subHeading": [
+          {
+            "kind": "identifier",
+            "spelling": "myInterfaceInstanceProp"
+          }
+        ],
+        "title": "myInterfaceInstanceProp"
+      },
+      "pathComponents": [
+        "Interface",
+        "myInterfaceInstanceProp"
+      ]
+    },
+    {
+      "accessLevel": "public",
+      "declarationFragments": [
+        {
+          "kind": "keyword",
+          "spelling": "@property"
+        },
+        {
+          "kind": "text",
+          "spelling": " ("
+        },
+        {
+          "kind": "keyword",
+          "spelling": "class"
+        },
+        {
+          "kind": "text",
+          "spelling": ", "
+        },
+        {
+          "kind": "keyword",
+          "spelling": "atomic"
+        },
+        {
+          "kind": "text",
+          "spelling": ", "
+        },
+        {
+          "kind": "keyword",
+          "spelling": "assign"
+        },
+        {
+          "kind": "text",
+          "spelling": ", "
+        },
+        {
+          "kind": "keyword",
+          "spelling": "unsafe_unretained"
+        },
+        {
+          "kind": "text",
+          "spelling": ", "
+        },
+        {
+          "kind": "keyword",
+          "spelling": "readwrite"
+        },
+        {
+          "kind": "text",
+          "spelling": ") "
+        },
+        {
+          "kind": "typeIdentifier",
+          "preciseIdentifier": "c:I",
+          "spelling": "int"
+        },
+        {
+          "kind": "identifier",
+          "spelling": "myCategoryTypeProp"
+        }
+      ],
+      "identifier": {
+        "interfaceLanguage": "objective-c",
+        "precise": "c:objc(cs)Interface(cpy)myCategoryTypeProp"
+      },
+      "kind": {
+        "displayName": "Type Property",
+        "identifier": "objective-c.type.property"
+      },
+      "location": {
+        "position": {
+          "character": 22,
+          "line": 12
+        },
+        "uri": "file://INPUT_DIR/input.h"
+      },
+      "names": {
+        "navigator": [
+          {
+            "kind": "identifier",
+            "spelling": "myCategoryTypeProp"
+          }
+        ],
+        "subHeading": [
+          {
+            "kind": "identifier",
+            "spelling": "myCategoryTypeProp"
+          }
+        ],
+        "title": "myCategoryTypeProp"
+      },
+      "pathComponents": [
+        "Interface",
+        "myCategoryTypeProp"
+      ]
+    },
+    {
+      "accessLevel": "public",
+      "declarationFragments": [
+        {
+          "kind": "keyword",
+          "spelling": "@property"
+        },
+        {
+          "kind": "text",
+          "spelling": " ("
+        },
+        {
+          "kind": "keyword",
+          "spelling": "atomic"
+        },
+        {
+          "kind": "text",
+          "spelling": ", "
+        },
+        {
+          "kind": "keyword",
+          "spelling": "assign"
+        },
+        {
+          "kind": "text",
+          "spelling": ", "
+        },
+        {
+          "kind": "keyword",
+          "spelling": "unsafe_unretained"
+        },
+        {
+          "kind": "text",
+          "spelling": ", "
+        },
+        {
+          "kind": "keyword",
+          "spelling": "readwrite"
+        },
+        {
+          "kind": "text",
+          "spelling": ") "
+        },
+        {
+          "kind": "typeIdentifier",
+          "preciseIdentifier": "c:I",
+          "spelling": "int"
+        },
+        {
+          "kind": "identifier",
+          "spelling": "myCategoryInstanceProp"
+        }
+      ],
+      "identifier": {
+        "interfaceLanguage": "objective-c",
+        "precise": "c:objc(cs)Interface(py)myCategoryInstanceProp"
+      },
+      "kind": {
+        "displayName": "Instance Property",
+        "identifier": "objective-c.property"
+      },
+      "location": {
+        "position": {
+          "character": 15,
+          "line": 13
+        },
+        "uri": "file://INPUT_DIR/input.h"
+      },
+      "names": {
+        "navigator": [
+          {
+            "kind": "identifier",
+            "spelling": "myCategoryInstanceProp"
+          }
+        ],
+        "subHeading": [
+          {
+            "kind": "identifier",
+            "spelling": "myCategoryInstanceProp"
+          }
+        ],
+        "title": "myCategoryInstanceProp"
+      },
+      "pathComponents": [
+        "Interface",
+        "myCategoryInstanceProp"
+      ]
+    },
+    {
+      "accessLevel": "public",
+      "declarationFragments": [
+        {
+          "kind": "keyword",
+          "spelling": "@protocol"
+        },
+        {
+          "kind": "text",
+          "spelling": " "
+        },
+        {
+          "kind": "identifier",
+          "spelling": "Protocol"
+        }
+      ],
+      "identifier": {
+        "interfaceLanguage": "objective-c",
+        "precise": "c:objc(pl)Protocol"
+      },
+      "kind": {
+        "displayName": "Protocol",
+        "identifier": "objective-c.protocol"
+      },
+      "location": {
+        "position": {
+          "character": 11,
+          "line": 1
+        },
+        "uri": "file://INPUT_DIR/input.h"
+      },
+      "names": {
+        "navigator": [
+          {
+            "kind": "identifier",
+            "spelling": "Protocol"
+          }
+        ],
+        "subHeading": [
+          {
+            "kind": "identifier",
+            "spelling": "Protocol"
+          }
+        ],
+        "title": "Protocol"
+      },
+      "pathComponents": [
+        "Protocol"
+      ]
+    },
+    {
+      "accessLevel": "public",
+      "declarationFragments": [
+        {
+          "kind": "keyword",
+          "spelling": "@property"
+        },
+        {
+          "kind": "text",
+          "spelling": " ("
+        },
+        {
+          "kind": "keyword",
+          "spelling": "class"
+        },
+        {
+          "kind": "text",
+          "spelling": ", "
+        },
+        {
+          "kind": "keyword",
+          "spelling": "atomic"
+        },
+        {
+          "kind": "text",
+          "spelling": ", "
+        },
+        {
+          "kind": "keyword",
+          "spelling": "assign"
+        },
+        {
+          "kind": "text",
+          "spelling": ", "
+        },
+        {
+          "kind": "keyword",
+          "spelling": "unsafe_unretained"
+        },
+        {
+          "kind": "text",
+          "spelling": ", "
+        },
+        {
+          "kind": "keyword",
+          "spelling": "readwrite"
+        },
+        {
+          "kind": "text",
+          "spelling": ") "
+        },
+        {
+          "kind": "typeIdentifier",
+          "preciseIdentifier": "c:I",
+          "spelling": "int"
+        },
+        {
+          "kind": "identifier",
+          "spelling": "myProtocolTypeProp"
+        }
+      ],
+      "identifier": {
+        "interfaceLanguage": "objective-c",
+        "precise": "c:objc(pl)Protocol(cpy)myProtocolTypeProp"
+      },
+      "kind": {
+        "displayName": "Type Property",
+        "identifier": "objective-c.type.property"
+      },
+      "location": {
+        "position": {
+          "character": 22,
+          "line": 2
+        },
+        "uri": "file://INPUT_DIR/input.h"
+      },
+      "names": {
+        "navigator": [
+          {
+            "kind": "identifier",
+            "spelling": "myProtocolTypeProp"
+          }
+        ],
+        "subHeading": [
+          {
+            "kind": "identifier",
+            "spelling": "myProtocolTypeProp"
+          }
+        ],
+        "title": "myProtocolTypeProp"
+      },
+      "pathComponents": [
+        "Protocol",
+        "myProtocolTypeProp"
+      ]
+    },
+    {
+      "accessLevel": "public",
+      "declarationFragments": [
+        {
+          "kind": "keyword",
+          "spelling": "@property"
+        },
+        {
+          "kind": "text",
+          "spelling": " ("
+        },
+        {
+          "kind": "keyword",
+          "spelling": "atomic"
+        },
+        {
+          "kind": "text",
+          "spelling": ", "
+        },
+        {
+          "kind": "keyword",
+          "spelling": "assign"
+        },
+        {
+          "kind": "text",
+          "spelling": ", "
+        },
+        {
+          "kind": "keyword",
+          "spelling": "unsafe_unretained"
+        },
+        {
+          "kind": "text",
+          "spelling": ", "
+        },
+        {
+          "kind": "keyword",
+          "spelling": "readwrite"
+        },
+        {
+          "kind": "text",
+          "spelling": ") "
+        },
+        {
+          "kind": "typeIdentifier",
+          "preciseIdentifier": "c:I",
+          "spelling": "int"
+        },
+        {
+          "kind": "identifier",
+          "spelling": "myProtocolInstanceProp"
+        }
+      ],
+      "identifier": {
+        "interfaceLanguage": "objective-c",
+        "precise": "c:objc(pl)Protocol(py)myProtocolInstanceProp"
+      },
+      "kind": {
+        "displayName": "Instance Property",
+        "identifier": "objective-c.property"
+      },
+      "location": {
+        "position": {
+          "character": 15,
+          "line": 3
+        },
+        "uri": "file://INPUT_DIR/input.h"
+      },
+      "names": {
+        "navigator": [
+          {
+            "kind": "identifier",
+            "spelling": "myProtocolInstanceProp"
+          }
+        ],
+        "subHeading": [
+          {
+            "kind": "identifier",
+            "spelling": "myProtocolInstanceProp"
+          }
+        ],
+        "title": "myProtocolInstanceProp"
+      },
+      "pathComponents": [
+        "Protocol",
+        "myProtocolInstanceProp"
+      ]
+    }
+  ]
+}