Cook County Value property tax analysis

634 N Marion St, Oak Park, IL 60302

4 bed / 2 bath, 2,055 sqft, built 1894, in Oak Park Appraised at $770,000 for 2026.

Cook County account 16063180040000

Appraised value
$770,000
Tax year 2026
Market value
$770,000
Living area
2,055 sqft
$375 per sqft
Year built
1894
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 +25.5% from $613,720 in 2025 to $770,000 in 2026.