Cook County Value property tax analysis

2309 Gunderson Ave, Berwyn, IL 60402

5 bed / 3 bath, 2,227 sqft, built 1939, in Berwyn Appraised at $420,010 for 2026.

Cook County account 16302140040000

Appraised value
$420,010
Tax year 2026
Market value
$420,010
Living area
2,227 sqft
$189 per sqft
Year built
1939
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 +42.8% from $294,190 in 2025 to $420,010 in 2026.