60640
Cook County, IL · 2025
1,868 homes in this zip may be paying too much in property taxes — a collective ~$316.2M above the neighborhood median.
The typical flagged property is overassessed by ~$90,705. Overassessments range from ~$2,090 to ~$20,766,390. 221 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
1,868
properties
Median
$90,705
overassessment
Max
$20,766,390
overassessment
Sale evidence
221
properties
Flagged Properties
Sorted by Overassessment · 1,868 Total