Cook County Value property tax analysis

521 S Grove Ave, Oak Park, IL 60304

3 bed / 1 bath, 1,462 sqft, built 1924, in Oak Park Appraised at $480,000 for 2026.

Cook County account 16181070140000

Appraised value
$480,000
Tax year 2026
Market value
$480,000
Living area
1,462 sqft
$328 per sqft
Year built
1924
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 +34.9% from $355,690 in 2025 to $480,000 in 2026.