Town Hall Address 29 Second St. Frenchtown, NJ 08825 United States- Hunterdon County Website https://frenchtownboro.com/ County Clerk 908-996-4524 Monday - Friday: 9:00 A.M. - 3:00 P.M. 29 Second St. Frenchtown, NJ 08825 United States Assessor 908-996-4524 29 Second St. Frenchtown, NJ 08825 United States Tax Collector 908-996-4524 Tuesday: 10:00 A.M. - 2:00 P.M. 29 Second St. Frenchtown, NJ 08825 United States Attorney 908-757-7800 29 Second St. Frenchtown, NJ 08825 United States Mayor 908-996-4524 29 Second St. Frenchtown, NJ 08825 United States Municipal Court 908-996-0842 33 Race St, Unit 1 Frenchtown, NJ 08825 United States County Hunterdon