Cook County Value property tax analysis

3820 Gunderson Ave, Berwyn, IL 60402

4 bed / 4 bath, 2,198 sqft, built 1909, in Berwyn Appraised at $500,000 for 2026.

Cook County account 16314230600000

Appraised value
$500,000
Tax year 2026
Market value
$500,000
Living area
2,198 sqft
$227 per sqft
Year built
1909
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 +5.3% from $474,830 in 2025 to $500,000 in 2026.