Town Hall Address 211 Rt. 31 North Washington, NJ 07882 United States- Warren County Website http://www.washington-twp-warren.org County Clerk 908-689-7200 Monday - Friday: 8:30 A.M. - 4:30 P.M. 211 Rt. 31 North Washington, NJ 07882 United States Assessor 928-689-8862 Monday: 2:00 P.M. - 5:00 P.M. 211 Rt. 31 North Washington, NJ 07882 United States Tax Collector 908-689-1975 Monday - Friday: 8:30 A.M. - 12:00 P.M., & 1:00 P.M. 4:30 P.M. 211 Rt. 31 North Washington, NJ 07882 United States Attorney 908-852-2600 211 Rt. 31 North Washington, NJ 07882 United States Mayor 908-689-7200 211 Rt. 31 North Washington, NJ 07882 United States Municipal Court 908-689-7066 100 Port Murray Rd. Port Murray, NJ 07865 United States County Warren