Town Hall Address 525 Pompton Ave. Cedar Grove, NJ 07009-1796 United States- Essex County Website https://cedargrovenj.org/ County Clerk 973-239-1410 Ext. 204 525 Pompton Ave. Cedar Grove, NJ 07009-1796 United States Assessor 973-239-1410 Ext. 216 525 Pompton Ave. Cedar Grove, NJ 07009-1796 United States Tax Collector 973-239-1410 Ext. 233 525 Pompton Ave. Cedar Grove, NJ 07009-1796 United States Attorney 973-239-5700 525 Pompton Ave. Cedar Grove, NJ 07009-1796 United States Municipal Court 973-239-1410 525 Pompton Ave. Cedar Grove, NJ 07009-1796 United States County Essex