Courthouses in Lake Arthur, New Mexico, the US. Courthouses locations in Lake Arthur, New Mexico. Find the nearest courthouses locations, near you. All types of business services Courthouse All courthouses in Lake Arthur Lake Arthur Municipal Court Courthouse +1 575-365-2108 Lake Arthur, Lake Arthur, New Mexico 88253 Write a review Phone Directions Lake Arthur Municipal Judge Courthouse +1 575-365-2902 501 North Maine Street, Lake Arthur, New Mexico 88253 Write a review Phone Directions