Property Tax Radar
60642

Cook County, IL · 2025

1,202 homes in this zip may be paying too much in property taxes — a collective ~$284.4M above the neighborhood median.

The typical flagged property is overassessed by ~$125,721. Overassessments range from ~$2,400 to ~$9,924,000. 141 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

1,202

properties

Median

$125,721

overassessment

Max

$9,924,000

overassessment

Sale evidence

141

properties

Flagged Properties Sorted by Overassessment · 1,202 Total
832 W ERIE ST

CHICAGO, IL

~$2,436,793 Read report →
610 N MAY ST

CHICAGO, IL

~$1,562,381 Read report →
612 N MAY ST

CHICAGO, IL

~$1,352,381 Read report →
1414 N NOBLE ST

CHICAGO, IL

~$1,300,222 Read report →
1514 W FRY ST

CHICAGO, IL

~$1,105,455 Read report →
1518 W HURON ST

CHICAGO, IL

~$1,047,770 Read report →
1316 W OHIO ST

CHICAGO, IL

~$1,033,158 Read report →
1022 W FRY ST

CHICAGO, IL

~$1,032,301 Read report →
1249 W ERIE ST

CHICAGO, IL

~$1,012,359 Read report →
1501 W OHIO ST

CHICAGO, IL

~$1,005,905 Read report →
452 N MAY ST

CHICAGO, IL

~$914,286 Read report →
520 N ADA ST

CHICAGO, IL

~$711,531 Read report →
518 N MAY ST

CHICAGO, IL

~$699,870 Read report →
604 N MAY ST

CHICAGO, IL

~$555,829 Read report →
516 N MAY ST

CHICAGO, IL

~$450,450 Read report →
1462 OHIO 3

CHICAGO, IL

~$350,431 Read report →
856 N MAY ST

CHICAGO, IL

~$307,327 Read report →
514 N ADA ST

CHICAGO, IL

~$277,735 Read report →
724 N ADA ST

CHICAGO, IL

~$238,522 Read report →
525 BISHOP 9

CHICAGO, IL

~$213,570 Read report →
829 N MAY ST

CHICAGO, IL

~$206,759 Read report →
1748 OHIO 1

CHICAGO, IL

~$182,437 Read report →
1462 OHIO 2

CHICAGO, IL

~$175,221 Read report →
1511 ERIE 3

CHICAGO, IL

~$160,135 Read report →
525 BISHOP 6

CHICAGO, IL

~$158,285 Read report →
525 BISHOP 7

CHICAGO, IL

~$158,285 Read report →
525 BISHOP 8

CHICAGO, IL

~$158,285 Read report →
525 BISHOP 1

CHICAGO, IL

~$148,851 Read report →
525 BISHOP 2

CHICAGO, IL

~$137,742 Read report →
525 BISHOP 4

CHICAGO, IL

~$137,742 Read report →
525 BISHOP 5

CHICAGO, IL

~$137,742 Read report →
505 N ADA ST

CHICAGO, IL

~$115,000 Read report →
823 N MAY ST

CHICAGO, IL

~$113,010 Read report →
815 N MAY ST

CHICAGO, IL

~$112,958 Read report →
516 N ADA ST

CHICAGO, IL

~$107,273 Read report →