Cook County Value property tax analysis

642 S East Ave, Oak Park, IL 60304

3 bed / 2 bath, 1,632 sqft, built 1913, in Oak Park Appraised at $540,000 for 2026.

Cook County account 16182120150000

Appraised value
$540,000
Tax year 2026
Market value
$540,000
Living area
1,632 sqft
$331 per sqft
Year built
1913
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 +32.4% from $407,870 in 2025 to $540,000 in 2026.