Town Hall Address 420 Washington St. Gibbstown, NJ 08027 United States- Gloucester County Website https://www.greenwichtwp.com/ County Clerk 856-423-1038 Ext. 206 420 Washington St. Gibbstown, NJ 08027 United States Assessor 856-307-6445 420 Washington St. Gibbstown, NJ 08027 United States Tax Collector 856-423-1038 Ext. 204 420 Washington St. Gibbstown, NJ 08027 United States Attorney 856-853-7771 196 Grove Ave., Suite A West Deptford, NJ 08086 United States Mayor 856-423-1038 Ext. 208 420 Washington St. Gibbstown, NJ 08027 United States Municipal Court 856-423-0113 21 N. Walnut St. Gibbstown, NJ 08027 United States County Gloucester