Cook County Value property tax analysis

1127 Gunderson Ave, Oak Park, IL 60304

5 bed / 2 bath, 2,295 sqft, built 1922, in Oak Park Appraised at $670,000 for 2026.

Cook County account 16184190300000

Appraised value
$670,000
Tax year 2026
Market value
$670,000
Living area
2,295 sqft
$292 per sqft
Year built
1922
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 +28.9% from $519,870 in 2025 to $670,000 in 2026.