Cook County Value property tax analysis

831 Hayes Ave, Oak Park, IL 60302

3 bed / 1 bath, 1,427 sqft, built 1917, in Oak Park Appraised at $510,000 for 2026.

Cook County account 16053040210000

Appraised value
$510,000
Tax year 2026
Market value
$510,000
Living area
1,427 sqft
$357 per sqft
Year built
1917
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 +31.0% from $389,450 in 2025 to $510,000 in 2026.