Welcome to Mason County, Illinois
*** CONSTRUCTION NOTICE ***
Mason County has been awarded a grant for courthouse renovations. The anticipated dates of the final construction project are Thursday, December 26th thru Wednesday, January 8, 2025. During this project normal services and access to the County Clerk, Circuit Clerk, Treasurer, Assessor, Veterans Affairs, Pre-Trial Services, Emergency Management Agency, Animal Control and Zoning offices will be very limited. If you have business with any of these affected offices, please call the courthouse at 309-543-6661 to see if you can be assisted over the phone. The probation office will only be available by phone. This construction project WILL NOT limit access to Criminal Court, Traffic Court or Civil Court dates. Thank you for being patient with us during this time. Your cooperation is greatly appreciated.
Mason County Courthouse
125 North Plum Street
Havana, Illinois 62644-0077
Courthouse Hours:
Monday – Friday
8:00am to 4:00pm, except holidays