Town Hall Address 118 Serpentine Rd. Demarest, NJ 07627-2199 United States- Bergen County Website http://www.demarestnj.org County Clerk 201-768-2569 Monday - Friday: 8:30 A.M. - 4:30 P.M. 118 Serpentine Rd. Demarest, NJ 07627-2199 United States Assessor 201-768-0167 Ext. 141 Monday - Friday: 8:30 A.M. - 4:30 P.M. 118 Serpentine Rd. Demarest, NJ 07627-2199 United States Tax Collector 201-768-3611 Monday - Friday: 9:00 A.M. - 5:00 P.M. 118 Serpentine Rd. Demarest, NJ 07627-2199 United States Attorney 201-943-8020 118 Serpentine Rd. Demarest, NJ 07627-2199 United States Mayor 201-768-0167 Ext. 140 118 Serpentine Rd. Demarest, NJ 07627-2199 United States Municipal Court 201-670-3950 118 Serpentine Rd. Demarest, NJ 07627-2199 United States County Bergen