Cook County Value property tax analysis

637 S East Ave, Oak Park, IL 60304

4 bed / 2 bath, 1,780 sqft, built 1915, in Oak Park Appraised at $680,000 for 2026.

Cook County account 16182110340000

Appraised value
$680,000
Tax year 2026
Market value
$680,000
Living area
1,780 sqft
$382 per sqft
Year built
1915
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 +36.6% from $497,960 in 2025 to $680,000 in 2026.