× Close Notification Window Big Stone County Courthouse 20 Second Street SE, STE 107 Ortonville, MN 56278 Court Administrator: Kim Sundbom-Trudeau ...Phone: 320-849-7005 ...Jury: 320-849-7002 ...Fax: (320) 839-2537 ...Contact by email Directions Free public lot in back of courthouse. Business Hours: Monday-Friday: 8 a.m. - 4:30 p.m.