Property Tax Radar
60804

Cook County, IL · 2025

3,941 homes in this zip may be paying too much in property taxes — a collective ~$160.8M above the neighborhood median.

The typical flagged property is overassessed by ~$34,531. Overassessments range from ~$6,810 to ~$514,131. 171 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

3,941

properties

Median

$34,531

overassessment

Max

$514,131

overassessment

Sale evidence

171

properties

Flagged Properties Sorted by Overassessment · 3,941 Total