Town Hall Address 80 E. River Rd. Rumson, NJ 07760 United States- Monmouth County Website http://www.rumsonnj.gov County Clerk 732-842-3300 80 E. River Rd. Rumson, NJ 07760 United States Assessor 732-842-3300 Friday: 8:30 A.M. - 12:00 P.M. 80 E. River Rd. Rumson, NJ 07760 United States Tax Collector 732-842-1170 80 E. River Rd. Rumson, NJ 07760 United States Attorney 732-741-1800 80 E. River Rd. Rumson, NJ 07760 United States Mayor 732-842-3300 80 E. River Rd. Rumson, NJ 07760 United States Municipal Court 732-530-7131 80 E. River Rd. Rumson, NJ 07760 United States County Monmouth