Cook County Value property tax analysis

1145 Wisconsin Ave, Oak Park, IL 60304

3 bed / 3 bath, 2,401 sqft, built 1900, in Oak Park Appraised at $850,000 for 2026.

Cook County account 16183160270000

Appraised value
$850,000
Tax year 2026
Market value
$850,000
Living area
2,401 sqft
$354 per sqft
Year built
1900
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 +28.6% from $661,040 in 2025 to $850,000 in 2026.