Town Hall Address 40 Spring Valley Rd. Hardwick, NJ 07825 United States- Warren County Website https://www.hardwick-nj.us/ County Clerk 908-362-6528 Ext. 8 Tuesday - Thursday: 9:30 A.M. - 2:00 P.M. 40 Spring Valley Rd. Hardwick, NJ 07825 United States Assessor 908-362-6528 Ext. 2 Friday: 12:00 P.M. - 2:00 P.M. 40 Spring Valley Rd. Hardwick, NJ 07825 United States Tax Collector 908-362-6528 Ext. 1 Wednesday: 12:30 P.M. - 2:30 P.M. 40 Spring Valley Rd. Hardwick, NJ 07825 United States Attorney 908-852-2600 1001 Rte. 517 Hackettstown, NJ 07840 United States Mayor 908-362-6528 Ext. 5 40 Spring Valley Rd. Hardwick, NJ 07825 United States Municipal Court 908-459-5800 407 Rt. 611, Hope-Great Meadows Rd. P.O. Box 134 Hope, NJ 07844-0134 United States County Warren