Town Hall Address 230 Fairfield Rd. Fairfield, NJ 07004 United States- Essex County Website http://www.fairfieldnj.org County Clerk 973-882-2700 Ext. 2501 Monday - Friday: 8:30 A.M. - 4:30 P.M. 230 Fairfield Rd. Fairfield, NJ 07004 United States County Admin 973-882-2700 Ext. 2500 230 Fairfield Rd. Fairfield, NJ 07004 United States Assessor 973-882-2700 Ext. 2508 Tuesday, Thursday, & Friday 230 Fairfield Rd. Fairfield, NJ 07004 United States Tax Collector 973-882-2700 Ext. 2505 Monday - Friday: 8:30 A.M. - 4:30 P.M. 230 Fairfield Rd. Fairfield, NJ 07004 United States Attorney 732-520-6291 230 Fairfield Rd. Fairfield, NJ 07004 United States Mayor 973-882-2700 Ext. 2500 230 Fairfield Rd. Fairfield, NJ 07004 United States Municipal Court 973-882-2700 Ext. 2502 230 Fairfield Rd. Fairfield, NJ 07004 United States County Essex