Town Hall Address 38 Park Ave. Flemington, NJ 08822-1398 United States- Hunterdon County Website http://www.historicflemington.com/ County Clerk 908-782-8840 38 Park Ave. Flemington, NJ 08822-1398 United States Assessor 908-782-8840 Second & Fourth Tuesday: 9:00 A.M. - 12:00 P.M., Or By Appointment 38 Park Ave. Flemington, NJ 08822-1398 United States Tax Collector 908-782-8840 38 Park Ave. Flemington, NJ 08822-1398 United States Attorney 732-476-2560 38 Park Ave. Flemington, NJ 08822-1398 United States Mayor 908-410-0351 38 Park Ave. Flemington, NJ 08822-1398 United States Municipal Court 908-782-5770 2 Municipal Dr. Flemington, NJ 08822 United States Town Hall Hours Monday - Friday: 8:30 A.M. - 4:30 P.M. County Hunterdon