Cook County Value property tax analysis

3515 Gunderson Ave, Berwyn, IL 60402

5 bed / 1 bath, 2,068 sqft, built 1925, in Berwyn Appraised at $390,000 for 2026.

Cook County account 16314080070000

Appraised value
$390,000
Tax year 2026
Market value
$390,000
Living area
2,068 sqft
$189 per sqft
Year built
1925
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 +34.8% from $289,330 in 2025 to $390,000 in 2026.