diff --git a/bizmatch-server/src/models/db.model.ts b/bizmatch-server/src/models/db.model.ts
index 79c4802..344d198 100644
--- a/bizmatch-server/src/models/db.model.ts
+++ b/bizmatch-server/src/models/db.model.ts
@@ -70,6 +70,7 @@ export interface BusinessListing {
 
 export interface CommercialPropertyListing {
   id: string;
+  serialId?: number;
   userId?: string;
   type?: number;
   title?: string;