Town Hall Address 510 Belmont Ave. Haledon, NJ 07508 United States- Passaic County Website http://www.haledonboronj.com County Clerk 973-595-7766 510 Belmont Ave. Haledon, NJ 07508 United States Assessor 973-595-7766 Thursday: 12:30 P.M. - 4:30 P.M. 510 Belmont Ave. Haledon, NJ 07508 United States Tax Collector 973-595-7766 510 Belmont Ave. Haledon, NJ 07508 United States Attorney 201-262-0588 510 Belmont Ave. Haledon, NJ 07508 United States Mayor 973-595-7766 Ext. 101 510 Belmont Ave. Haledon, NJ 07508 United States Municipal Court 973-790-0500 510 Belmont Ave. Haledon, NJ 07508 United States County Passaic