Cook County Value property tax analysis

3807 Gunderson Ave, Berwyn, IL 60402

3 bed / 1 bath, 1,286 sqft, built 1954, in Berwyn Appraised at $344,240 for 2026.

Cook County account 16314240410000

Appraised value
$344,240
Tax year 2026
Market value
$344,240
Living area
1,286 sqft
$268 per sqft
Year built
1954
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 +32.4% from $260,000 in 2025 to $344,240 in 2026.