Courthouses in Raritan, New Jersey, the US. Courthouses locations in Raritan, New Jersey. Find the nearest courthouses locations, near you. All types of business services Accounting ATM Bank Courthouse Finance Funeral home Insurance Lawyer Real estate School All courthouses in Raritan Municipal Court Courthouse +1 908-231-1303 22 1st Street, Raritan, New Jersey 08869 Write a review Phone Website Directions Raritan Municipal Court Courthouse +1 908-231-1300 22 1st Street, Raritan, New Jersey 08869 Write a review Phone Website Directions