Cook County property record offices

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

Cook County Assessor

Assessor property search

Phone: (312) 443-7550

Cook County Recorder

Recorder property search

Phone: (312) 603-5050

Cook County Treasurer

Treasurer property search

Phone: (312) 443-5100

Cook County GIS / Mapping

GIS / Mapping property search

Cook 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: CHICAGO-NAPERVILLE-ELGIN, IL-IN. Median price: $455,000

Illinois statewide resources

Illinois statewide GIS Illinois taxation