Cook County Value property tax analysis

3409 Oak Park Ave, Berwyn, IL 60402

6 bed / 5 bath, 3,600 sqft, built 1959, in Berwyn Appraised at $540,000 for 2026.

Cook County account 16312290340000

Appraised value
$540,000
Tax year 2026
Market value
$540,000
Living area
3,600 sqft
$150 per sqft
Year built
1959
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 +37.3% from $393,230 in 2025 to $540,000 in 2026.