Mason County
Kristi Poler
Mason County Courthouse
125 N Plum
Havana IL 62644-0077
Phone: 309-543-4775
E-mail: assessor@masoncountyil.gov
Property Tax Search
Mason County NonFarm Sales
2020 Senior Citizens Assessment Freeze
Homestead Exemption Application and Affidavit
Parcel Data
Illinois Department of Revenue
Illinois Supervisor of Assessments
Parcel Shape Files (Parcels, Road Center Lines, City Boundaries)
Assessment
2022 Appeal Deadline
2022 Appeal Deadline Friday, December 16, 2022 at 4 pm
-Board of Review Rules
-Non-Farm Property Assessment Complaint
-Farm Property Assessment Complaint
