Cook County Value property tax analysis

1121 S East Ave, Oak Park, IL 60304

4 bed / 2 bath, 2,136 sqft, built 1911, in Oak Park Appraised at $570,000 for 2026.

Cook County account 16184170230000

Appraised value
$570,000
Tax year 2026
Market value
$570,000
Living area
2,136 sqft
$267 per sqft
Year built
1911
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 +35.5% from $420,730 in 2025 to $570,000 in 2026.