Cook County Value property tax analysis

3801 Gunderson Ave, Berwyn, IL 60402

4 bed / 2 bath, 1,113 sqft, built 2010, in Berwyn Appraised at $580,000 for 2026.

Cook County account 16314240010000

Appraised value
$580,000
Tax year 2026
Market value
$580,000
Living area
1,113 sqft
$521 per sqft
Year built
2010
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 +114.8% from $270,000 in 2025 to $580,000 in 2026.