60623
Cook County, IL · 2025
3,683 homes in this zip may be paying too much in property taxes — a collective ~$228.6M above the neighborhood median.
The typical flagged property is overassessed by ~$37,609. Overassessments range from ~$3,010 to ~$1,599,401. 337 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
3,683
properties
Median
$37,609
overassessment
Max
$1,599,401
overassessment
Sale evidence
337
properties
Flagged Properties
Sorted by Overassessment · 3,683 Total