Town Hall Address 2 Main St. Sussex, NJ 07461-2397 United States- Sussex County Website http://www.sussexboro.com County Clerk 973-875-4831 Ext. 102 2 Main St. Sussex, NJ 07461-2397 United States County Admin 973-875-4831 Sussex, NJ 07461-2397 United States Assessor 973-875-7193 2 Main St. Sussex, NJ 07461-2397 United States Tax Collector 973-875-4831 2 Main St. Sussex, NJ 07461-2397 United States Attorney 973-383-1200 2 Main St. Sussex, NJ 07461-2397 United States Mayor 973-875-4831 2 Main St. Sussex, NJ 07461-2397 United States Municipal Court 973-875-7310 888 Rt. 23 Wantage, NJ 07461 United States County Sussex