Cook County Value property tax analysis

1139 Clinton Ave, Oak Park, IL 60304

3 bed / 2 bath, 1,268 sqft, built 1921, in Oak Park Appraised at $498,310 for 2026.

Cook County account 16183190330000

Appraised value
$498,310
Tax year 2026
Market value
$498,310
Living area
1,268 sqft
$393 per sqft
Year built
1921
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 +51.5% from $329,020 in 2025 to $498,310 in 2026.