60402
Cook County, IL · 2025
4,640 homes in this zip may be paying too much in property taxes — a collective ~$206.4M above the neighborhood median.
The typical flagged property is overassessed by ~$36,683. Overassessments range from ~$6,500 to ~$795,641. 190 properties have recent purchase price evidence — the strongest argument at a Board of Review hearing. Ownwell can file your appeal and handle everything — no upfront cost, you only pay if you save.
Appeal windows vary by township, March–November 2026. Find your township's open window at cookcountyassessor.com.
Flagged
4,640
properties
Median
$36,683
overassessment
Max
$795,641
overassessment
Sale evidence
190
properties
Flagged Properties
Sorted by Overassessment · 4,640 Total