Town Hall Address 140 Perryville Rd. Hampton, NJ 08827 United States- Hunterdon County Website https://www.uniontownship.com/ County Clerk 908-735-8027 Ext. 10 140 Perryville Rd. Hampton, NJ 08827 United States Assessor 908-735-8027 Ext. 14 140 Perryville Rd. Hampton, NJ 08827 United States Tax Collector 908-735-8027 Ext. 11 140 Perryville Rd. Hampton, NJ 08827 United States Attorney 908-735-8876 140 Perryville Rd. Hampton, NJ 08827 United States Mayor 908-735-8027 140 Perryville Rd. Hampton, NJ 08827 United States Municipal Court 908-735-3730 1370 Rt. 31 N. Annandale, NJ 08801 United States County Hunterdon