Town Hall Address 475 Corporate Dr. P.O. Box 733 Mahwah, NJ 07430 United States- Bergen County Website http://www.mahwahtwp.org/ County Clerk 201-529-5757 Ext. 230 475 Corporate Dr. P.O. Box 733 Mahwah, NJ 07430 United States County Admin 201-529-5757 Ext. 265 475 Corporate Dr. P.O. Box 733 Mahwah, NJ 07430 United States Assessor 201-529-5757 Ext. 229 475 Corporate Dr. P.O. Box 733 Mahwah, NJ 07430 United States Tax Collector 201-529-5757 Ext. 228 475 Corporate Dr. P.O. Box 733 Mahwah, NJ 07430 United States Attorney 201-944-2300 475 Corporate Dr. P.O. Box 733 Mahwah, NJ 07430 United States Mayor 201-529-5757 Ext. 267 475 Corporate Dr. P.O. Box 733 Mahwah, NJ 07430 United States Municipal Court 201-529-2862 475 Corporate Dr. P.O. Box 733 Mahwah, NJ 07430 United States County Bergen