Courthouses in Watchung, New Jersey, the US. Courthouses locations in Watchung, 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 Travel All courthouses in Watchung Watchung Court House Courthouse +1 908-769-2265 840 Somerset Street, Watchung, New Jersey 07069 Write a review Phone Website Directions