Property Tax Radar
60643

Cook County, IL · 2025

4,510 homes in this zip may be paying too much in property taxes — a collective ~$232.5M above the neighborhood median.

The typical flagged property is overassessed by ~$39,300. Overassessments range from ~$4,000 to ~$898,117. 330 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

4,510

properties

Median

$39,300

overassessment

Max

$898,117

overassessment

Sale evidence

330

properties

Flagged Properties Sorted by Overassessment · 4,510 Total