Local Government Offices
Cook County Clerk
The Cook County Clerk issues property tax rates, maintains vital records such as birth and marriage records, and administers elections.
118 N. Clark Street, 4th Floor
Chicago, IL 60602
Contact: 312-603-5656
Hours: 8:30 a.m. - 5:00 p.m.
Cook County Treasurer
The Cook County Treasurer mails and collects property tax bills.
118 N. Clark Street, Room 112
Chicago, IL 60602
Contact: 312-443-5100
Hours: 8:30 a.m. - 5:00 p.m.
Cook County Assessor
The Cook County Assessor's Office produces property values during reassessments, processes homestead exemptions, and processes appeals.
118 N. Clark Street, 3rd Floor
Chicago, IL 60602
Contact: 312-443-7550
Hours: 8:30 a.m. - 5:00 p.m.
Township Assessors
Township assessors are separate entities from the Cook County Assessor's Office. Township assessors are elected officials who offer their own services. They do, however, work closely with the Cook County Assessor's Office.
More Cook County Links
- Cook County Web site
- Board of Review
- Sheriff's Office
- Circuit Court of Cook County
- Cook County State's Attorney
- Recorder of Deeds
- Forest Preserve District
Enter PIN to see property details
Don’t know your PIN? Search by address here.