Cook County Value property tax analysis

1140 Clarence Ave, Oak Park, IL 60304

2 bed / 1 bath, 848 sqft, built 1919, in Oak Park Appraised at $392,720 for 2026.

Cook County account 16184170160000

Appraised value
$392,720
Tax year 2026
Market value
$392,720
Living area
848 sqft
$463 per sqft
Year built
1919
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 +23.7% from $317,510 in 2025 to $392,720 in 2026.