Cook County Value property tax analysis

431 S Grove Ave, Oak Park, IL 60302

4 bed / 2 bath, 2,310 sqft, built 1888, in Oak Park Appraised at $820,000 for 2026.

Cook County account 16073260140000

Appraised value
$820,000
Tax year 2026
Market value
$820,000
Living area
2,310 sqft
$355 per sqft
Year built
1888
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 +17.1% from $700,000 in 2025 to $820,000 in 2026.