Town Hall Address 401 Main St. Mantua, NJ 08051-1026 United States- Gloucester County Website http://www.mantuatownship.com County Clerk 856-468-1500 Ext. 120 401 Main St. Mantua, NJ 08051-1026 United States Assessor 856-307-6445 401 Main St. Mantua, NJ 08051-1026 United States Tax Collector 856-468-1500 Ext. 116 401 Main St. Mantua, NJ 08051-1026 United States Attorney 856-853-8500 401 Main St. Mantua, NJ 08051-1026 United States Mayor 856-468-1500 Ext. 113 401 Main St. Mantua, NJ 08051-1026 United States Municipal Court 856-468-3078 405 Main St. Mantua, NJ 08051-1096 United States County Gloucester