Some Sites We Recommend
Cook County Assessor
www.cookcountyassessor.com
Assessor’s Exemption Forms
https://www.cookcountyassessor.com/Exemptions/
Cook County Board of Review
www.cookcountyboardofreview.com
Cook County Property Tax Portal
http://www.cookcountypropertyinfo.com
Cook County Treasurer
https://cookcountytreasurer.com
Cook County Clerk
https://www.cookcountyclerk.com
Cook County Recorder of Deeds
https://crs.cookcountyclerkil.gov/Search
Illinois Property Tax Appeal Board
http://www.ptab.illinois.gov
Lake County Assessment Information
http://www.lakecountyil.gov/154/Chief-County-Assessment-Office
Lake County Filing Deadlines
http://www.lakecountyil.gov/527/Filing-Deadlines-and-Decision-Mailed-Dat
McHenry County Filing Deadlines
https://www.mchenrycountyil.gov/departments/assessments/board-of-review
Will County Filing Deadlines
https://www.willcountysoa.com/section/2023-Publication-Schedule
Kane County Filing Deadlines
https://assessments.kanecountyil.gov/Pages/Deadline.aspx
Dupage County Filing Deadlines
https://www.dupagecounty.gov/government/departments/supervisor_of_assessments/assessment_status.php