diff --git a/src/models/responses/ResponseGroupContact.ts b/src/models/responses/ResponseGroupContact.ts
index f7e63b3..d7ac6f2 100644
--- a/src/models/responses/ResponseGroupContact.ts
+++ b/src/models/responses/ResponseGroupContact.ts
@@ -1,4 +1,5 @@
-import { IsInt, IsString } from "class-validator";
+import { IsInt, IsObject, IsString } from "class-validator";
+import { Address } from '../entities/Address';
 import { GroupContact } from '../entities/GroupContact';
 import { ResponseRunnerGroup } from './ResponseRunnerGroup';
 
@@ -45,9 +46,15 @@ export class ResponseGroupContact {
     /**
      * The contact's associated runner groups.
      */
+    @IsObject()
     groups: ResponseRunnerGroup[];
 
-    //TODO: Address
+    /**
+     * The contact's address.
+     * This is a address object to prevent any formatting differences.
+     */
+    @IsObject()
+    address?: Address;
 
     /**
      * Creates a ResponseGroupContact object from a contact.
@@ -60,6 +67,7 @@ export class ResponseGroupContact {
         this.lastname = contact.lastname;
         this.phone = contact.phone;
         this.email = contact.email;
+        this.address = contact.address;
         for (let group of contact.groups) {
             this.groups.push(group.toResponse());
         }