Town Hall Address 88 E. Broad St. Hopewell, NJ 08525 United States- Mercer County Website https://www.hopewellboro-nj.us/ County Clerk 609-466-2636 88 E. Broad St. Hopewell, NJ 08525 United States Assessor 609-466-2636 88 E. Broad St. Hopewell, NJ 08525 United States Tax Collector 609-466-2636 Monday, Wednesday, Thursday, & Friday: 8:30 A.M. - 4:30 P.M., Tuesday: 7:30 A.M. - 5:30 P.M. 88 E. Broad St. Hopewell, NJ 08525 United States Mayor 609-466-2636 88 E. Broad St. Hopewell, NJ 08525 United States Municipal Court 609-466-0968 88 E. Broad St. Hopewell, NJ 08525 United States Town Hall Hours Monday - Friday, 8:30 am - 4:30 pm County Mercer