Courthouses in Barneveld, New York, the US. Courthouses locations in Barneveld, New York. Find the nearest courthouses locations, near you. All types of business services ATM Courthouse Finance Real estate School All courthouses in Barneveld Trenton Town Justice Court Courthouse +1 315-896-4510 8520 Old Poland Road, Barneveld, New York 13304 Write a review Phone Website Directions