diff --git a/src/main/java/net/hostsharing/hsadminng/hs/office/contact/HsOfficeContactController.java b/src/main/java/net/hostsharing/hsadminng/hs/office/contact/HsOfficeContactController.java
index 9b676af6..0a041763 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/office/contact/HsOfficeContactController.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/office/contact/HsOfficeContactController.java
@@ -131,6 +131,7 @@ public class HsOfficeContactController implements HsOfficeContactsApi {
 
     @SuppressWarnings("unchecked")
     final BiConsumer<HsOfficeContactInsertResource, HsOfficeContactRbacEntity> RESOURCE_TO_ENTITY_POSTMAPPER = (resource, entity) -> {
+        entity.putPostalAddress(from(resource.getPostalAddress()));
         entity.putEmailAddresses(from(resource.getEmailAddresses()));
         entity.putPhoneNumbers(from(resource.getPhoneNumbers()));
     };
diff --git a/src/main/java/net/hostsharing/hsadminng/hs/office/relation/HsOfficeRelationController.java b/src/main/java/net/hostsharing/hsadminng/hs/office/relation/HsOfficeRelationController.java
index 83eda5a0..4a92bd7f 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/office/relation/HsOfficeRelationController.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/office/relation/HsOfficeRelationController.java
@@ -185,6 +185,7 @@ public class HsOfficeRelationController implements HsOfficeRelationsApi {
 
     @SuppressWarnings("unchecked")
     final BiConsumer<HsOfficeContactInsertResource, HsOfficeContactRealEntity> CONTACT_RESOURCE_TO_ENTITY_POSTMAPPER = (resource, entity) -> {
+        entity.putPostalAddress(from(resource.getPostalAddress()));
         entity.putEmailAddresses(from(resource.getEmailAddresses()));
         entity.putPhoneNumbers(from(resource.getPhoneNumbers()));
     };
diff --git a/src/test/java/net/hostsharing/hsadminng/hs/office/contact/HsOfficeContactControllerAcceptanceTest.java b/src/test/java/net/hostsharing/hsadminng/hs/office/contact/HsOfficeContactControllerAcceptanceTest.java
index 48d12f44..da6a380f 100644
--- a/src/test/java/net/hostsharing/hsadminng/hs/office/contact/HsOfficeContactControllerAcceptanceTest.java
+++ b/src/test/java/net/hostsharing/hsadminng/hs/office/contact/HsOfficeContactControllerAcceptanceTest.java
@@ -110,6 +110,14 @@ class HsOfficeContactControllerAcceptanceTest extends ContextBasedTestWithCleanu
                         .body("""
                                {
                                    "caption": "Temp Contact",
+                                   "postalAddress": {
+                                        "name": "Herr Test Contact",
+                                        "firm": "Test Contact GmbH",
+                                        "street": "Am Schieferbruch 3",
+                                        "zipcode": "12345",
+                                        "city": "Dachstadt",
+                                        "country": "Germany"
+                                    },
                                    "emailAddresses": {
                                         "main": "test@example.org"
                                    }
@@ -124,6 +132,8 @@ class HsOfficeContactControllerAcceptanceTest extends ContextBasedTestWithCleanu
                         .body("uuid", isUuidValid())
                         .body("caption", is("Temp Contact"))
                         .body("emailAddresses", is(Map.of("main", "test@example.org")))
+                        .body("postalAddress", hasEntry("name", "Herr Test Contact"))
+                        .body("postalAddress", hasEntry("street", "Am Schieferbruch 3"))
                         .header("Location", startsWith("http://localhost"))
                     .extract().header("Location");  // @formatter:on
 
diff --git a/src/test/java/net/hostsharing/hsadminng/hs/office/relation/HsOfficeRelationControllerAcceptanceTest.java b/src/test/java/net/hostsharing/hsadminng/hs/office/relation/HsOfficeRelationControllerAcceptanceTest.java
index 0ed4b82f..8e33c35a 100644
--- a/src/test/java/net/hostsharing/hsadminng/hs/office/relation/HsOfficeRelationControllerAcceptanceTest.java
+++ b/src/test/java/net/hostsharing/hsadminng/hs/office/relation/HsOfficeRelationControllerAcceptanceTest.java
@@ -18,13 +18,14 @@ import org.springframework.boot.test.web.server.LocalServerPort;
 import org.springframework.test.context.ActiveProfiles;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.Map;
 import java.util.UUID;
 
 import static net.hostsharing.hsadminng.rbac.test.IsValidUuidMatcher.isUuidValid;
 import static net.hostsharing.hsadminng.test.JsonMatcher.lenientlyEquals;
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.hamcrest.Matchers.is;
-import static org.hamcrest.Matchers.startsWith;
+import static org.hamcrest.Matchers.*;
+import static org.hamcrest.Matchers.hasEntry;
 
 @SpringBootTest(
         webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT,
@@ -291,6 +292,14 @@ class HsOfficeRelationControllerAcceptanceTest extends ContextBasedTestWithClean
                                  },
                                 "contact": {
                                    "caption": "Temp Contact",
+                                   "postalAddress": {
+                                        "name": "Herr Test Contact",
+                                        "firm": "Test Contact GmbH",
+                                        "street": "Am Schieferbruch 3",
+                                        "zipcode": "12345",
+                                        "city": "Dachstadt",
+                                        "country": "Germany"
+                                    },
                                    "emailAddresses": {
                                         "main": "test@example.org"
                                    }
@@ -315,6 +324,9 @@ class HsOfficeRelationControllerAcceptanceTest extends ContextBasedTestWithClean
                     .body("holder.givenName", is("Temp"))
                     .body("holder.familyName", is("Person"))
                     .body("contact.caption", is("Temp Contact"))
+                    .body("contact.emailAddresses", is(Map.of("main", "test@example.org")))
+                    .body("contact.postalAddress", hasEntry("name", "Herr Test Contact"))
+                    .body("contact.postalAddress", hasEntry("street", "Am Schieferbruch 3"))
                     .header("Location", startsWith("http://localhost"))
                     .extract().header("Location"); // @formatter:on