Cook County Value property tax analysis

321 S East Ave, Oak Park, IL 60302

4 bed / 2 bath, 2,924 sqft, built 1908, in Oak Park Appraised at $930,000 for 2026.

Cook County account 16074140160000

Appraised value
$930,000
Tax year 2026
Market value
$930,000
Living area
2,924 sqft
$318 per sqft
Year built
1908
Average

Why this page matters for a protest

A strong tax protest page needs the county value, property facts, and enough context to compare this home with similar properties nearby. This page gives homeowners a starting point before reviewing comparable homes and prior-year changes.

The county value changed +35.3% from $687,420 in 2025 to $930,000 in 2026.