Cook County Value property tax analysis

1137 Columbian Ave, Oak Park, IL 60302

4 bed / 2 bath, 2,802 sqft, built 1928, in Oak Park Appraised at $840,000 for 2026.

Cook County account 16062100140000

Appraised value
$840,000
Tax year 2026
Market value
$840,000
Living area
2,802 sqft
$300 per sqft
Year built
1928
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 +26.7% from $663,000 in 2025 to $840,000 in 2026.