Courts Directory | State of Illinois Office of the Illinois Courts Mason County Courthouse Circuit District: 4 | Circuit: 8thMason County Michael D. Roat125 N. Plum StreetHavana, IL - Illinois 62644 8:00 a.m. - 4:00 p.m. (309) 543-6619 Visit Website Eighth Judicial Circuit Court | Adams County, IL Links Circuit Clerk Disability Information (ADA) Resources Copier Court Disability Coordinator Paul Gann, Chief Deputy - 8th Judicial Circuit, (309) 543-2231, mcsheriff@grics.net Free Parking Street parking around the Courthouse. Internet Language Access mobile phones are allowed but only if shut off Mobile Devices Allowed Printer