Cook County Value property tax analysis

629 Gunderson Ave, Oak Park, IL 60304

3 bed / 1 bath, 1,824 sqft, built 1920, in Oak Park Appraised at $670,000 for 2026.

Cook County account 16182130270000

Appraised value
$670,000
Tax year 2026
Market value
$670,000
Living area
1,824 sqft
$367 per sqft
Year built
1920
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 +47.2% from $455,150 in 2025 to $670,000 in 2026.