Lyon County Government Center 607 West Main Marshall, MN 56258 Phone: (507) 706-7050 Fax: (507) 532-1095 Contact by email Court Administrator: Aimee Primus × Close Notification Window Directions Free surface lot and on-street parking available. Business Hours: Monday through Friday: 8:00 a.m. - 4:30 p.m. Please note that payments cannot be accepted at our service counter after 2:30 p.m. on the last working day of the month.