Town Hall Address 349 Mt. Lake Rd. Great Meadows, NJ 07838 United States- Warren County Website http://www.libertytownship.org/ County Clerk 908-637-4579 Ext. 10 349 Mt. Lake Rd. Great Meadows, NJ 07838 United States Assessor 908-637-4579 Ext. 13 349 Mt. Lake Rd. Great Meadows, NJ 07838 United States Tax Collector 908-637-4579 Ext. 15 Wednesday: 6:00 P.M. - 9:00 P.M., Saturday: 9:00 A.M. - 1:00 P.M. 349 Mt. Lake Rd. Great Meadows, NJ 07838 United States Attorney 908-689-1669 349 Mt. Lake Rd. Great Meadows, NJ 07838 United States Mayor 908-637-4579 349 Mt. Lake Rd. Great Meadows, NJ 07838 United States Municipal Court 908-475-5331 Ext. 108 691 Water St. Belvidere, NJ 07823 United States Town Hall Hours Monday through Friday 8:30 a.m. – 3:30 p.m. County Warren