Cook County Value property tax analysis

817 S Lyman Ave, Oak Park, IL 60304

2 bed / 1 bath, 1,044 sqft, built 1911, in Oak Park Appraised at $380,000 for 2026.

Cook County account 16171290270000

Appraised value
$380,000
Tax year 2026
Market value
$380,000
Living area
1,044 sqft
$364 per sqft
Year built
1911
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 +11.8% from $340,000 in 2025 to $380,000 in 2026.