Property Tax Radar
60630

Cook County, IL · 2025

3,806 homes in this zip may be paying too much in property taxes — a collective ~$265.3M above the neighborhood median.

The typical flagged property is overassessed by ~$53,666. Overassessments range from ~$8,410 to ~$897,720. 277 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

3,806

properties

Median

$53,666

overassessment

Max

$897,720

overassessment

Sale evidence

277

properties

Flagged Properties Sorted by Overassessment · 3,806 Total