Courthouses in Three Oaks, Michigan, the US. Courthouses locations in Three Oaks, Michigan. Find the nearest courthouses locations, near you. All types of business services Accounting ATM Bank Courthouse Finance Insurance Real estate School Travel All courthouses in Three Oaks Berrien District Ct Magistrate Courthouse +1 269-756-1413 21 North Elm Street, Three Oaks, Michigan 49128 Write a review Phone Directions