Town Hall Address 500 Madison St. Carlstadt, NJ 07072-0466 United States- Bergen County Website https://www.carlstadtnj.us/ County Clerk 201-531-7184 500 Madison St. Carlstadt, NJ 07072-0466 United States Assessor 201-939-1777 500 Madison St. Carlstadt, NJ 07072-0466 United States Tax Collector 201-939-1779 500 Madison St. Carlstadt, NJ 07072-0466 United States Attorney 201-488-7707 500 Madison St. Carlstadt, NJ 07072-0466 United States Mayor 201-522-8827 500 Madison St. Carlstadt, NJ 07072-0466 United States Municipal Court 201-438-4306 500 Madison St. Carlstadt, NJ 07072-0466 United States County Bergen