Town Hall Address One Municipal Dr. Flemington, NJ 08822-3446 United States- Hunterdon County Website https://www.raritan-township.com/ County Clerk 908-806-6101 One Municipal Dr. Flemington, NJ 08822-3446 United States County Admin 908-806-6106 Flemington, NJ 08822-3446 United States Assessor 908-806-6933 One Municipal Dr. Flemington, NJ 08822-3446 United States Tax Collector 928-806-8261 One Municipal Dr. Flemington, NJ 08822-3446 United States Attorney 908-757-7800 One Municipal Dr. Flemington, NJ 08822-3446 United States Mayor 908-806-6106 One Municipal Dr. Flemington, NJ 08822-3446 United States Municipal Court 908-782-8818 One Municipal Dr. Flemington, NJ 08822-3446 United States County Hunterdon