St. Clair County property record offices

Assessor, Recorder, Treasurer and GIS / Mapping offices for St. Clair County, Illinois, with a link to each office's official website or records search.

St. Clair County Assessor

Assessor property search

Phone: (618) 825-2704

St. Clair County Recorder

Recorder property search

St. Clair County Treasurer

Treasurer property search

Phone: (618) 825-2707

St. Clair County GIS / Mapping

GIS / Mapping property search

St. Clair County 2026 loan limits

1 unit: conforming $832,750, FHA $541,287

2 units: conforming $1,066,250, FHA $693,050

3 units: conforming $1,288,800, FHA $837,700

4 units: conforming $1,601,750, FHA $1,041,125

Metro area: ST. LOUIS, MO-IL. Median price: $370,000

Illinois statewide resources

Illinois statewide GIS Illinois taxation