Town Hall Address 500 Main St. Metuchen, NJ 08840 United States- Middlesex County Website http://www.metuchennj.org/metnj/ County Clerk 732-632-8508 500 Main St. Metuchen, NJ 08840 United States County Admin 732-632-8509 Metuchen, NJ 08840 United States Assessor 732-632-8516 500 Main St. Metuchen, NJ 08840 United States Tax Collector 732-632-8512 500 Main St. Metuchen, NJ 08840 United States Attorney 973-301-0001 500 Main St. Metuchen, NJ 08840 United States Mayor 732-632-8507 500 Main St. Metuchen, NJ 08840 United States Municipal Court 732-632-8505 500 Main St. Metuchen, NJ 08840 United States County Middlesex