Cook County Value property tax analysis

315 Harrison St, Oak Park, IL 60304

12 bed / 6 bath, 6,615 sqft, built 1926, in Oak Park Appraised at $890,000 for 2026.

Cook County account 16173010020000

Appraised value
$890,000
Tax year 2026
Market value
$890,000
Living area
6,615 sqft
$135 per sqft
Year built
1926
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 +31.9% from $674,910 in 2025 to $890,000 in 2026.