Cook County Value property tax analysis

531 S Grove Ave, Oak Park, IL 60304

4 bed / 3 bath, 2,341 sqft, built 1900, in Oak Park Appraised at $800,000 for 2026.

Cook County account 16181070170000

Appraised value
$800,000
Tax year 2026
Market value
$800,000
Living area
2,341 sqft
$342 per sqft
Year built
1900
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 +32.3% from $604,600 in 2025 to $800,000 in 2026.