Town Hall Address 37 N. Sussex St. Dover, NJ 07801 United States- Morris County Website http://www.dover.nj.us County Clerk 973-366-2200 Ext. 1113 37 N. Sussex St. Dover, NJ 07801 United States Assessor 973-366-2200 Ext. 1130 37 N. Sussex St. Dover, NJ 07801 United States Tax Collector 973-366-2200 Ext. 1134 37 N. Sussex St. Dover, NJ 07801 United States Attorney 908-623-3672 37 N. Sussex St. Dover, NJ 07801 United States Mayor 973-366-2200 Ext. 1144 37 N. Sussex St. Dover, NJ 07801 United States Municipal Court 973-366-2200 Ext. 1136 37 N. Sussex St. Dover, NJ 07801 United States Town Hall Hours Monday - Friday: 8:30 A.M. - 4:30 P.M. County Morris