Cook County Value property tax analysis

111 Harrison St, Oak Park, IL 60304

12 bed / 6 bath, 7,149 sqft, built 1921, in Oak Park Appraised at $950,000 for 2026.

Cook County account 16173050040000

Appraised value
$950,000
Tax year 2026
Market value
$950,000
Living area
7,149 sqft
$133 per sqft
Year built
1921
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 +36.2% from $697,310 in 2025 to $950,000 in 2026.