60803
Cook County, IL · 2025
1,803 homes in this zip may be paying too much in property taxes — a collective ~$79.3M above the neighborhood median.
The typical flagged property is overassessed by ~$36,244. Overassessments range from ~$5,780 to ~$625,615. 79 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
1,803
properties
Median
$36,244
overassessment
Max
$625,615
overassessment
Sale evidence
79
properties
Flagged Properties
Sorted by Overassessment · 1,803 Total