Cook County Value property tax analysis

321 Wisconsin Ave, Oak Park, IL 60302

8 bed / 4 bath, 5,380 sqft, built 1915, in Oak Park Appraised at $1,080,000 for 2026.

Cook County account 16073150170000

Appraised value
$1,080,000
Tax year 2026
Market value
$1,080,000
Living area
5,380 sqft
$201 per sqft
Year built
1915
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 +52.1% from $710,000 in 2025 to $1,080,000 in 2026.