Town Hall Address 915 Valley Rd. Gillette, NJ 07933 United States- Morris County County Clerk 908-647-8000 Ext. 215 915 Valley Rd. Gillette, NJ 07933 United States County Admin 908-647-8000 Ext. 224 915 Valley Rd. Gillette, NJ 07933 United States Assessor 908-647-8000 Ext. 221 Wednesday: 7:30 P.M. - 9:00 P.M. 915 Valley Rd. Gillette, NJ 07933 United States Tax Collector 908-647-8000 Ext. 225 915 Valley Rd. Gillette, NJ 07933 United States Attorney 609-520-8833 915 Valley Rd. Gillette, NJ 07933 United States Mayor 908-647-8000 Ext. 207 915 Valley Rd. Gillette, NJ 07933 United States Municipal Court 908-647-8369 915 Valley Rd. Gillette, NJ 07933 United States County Morris