Cook County Value property tax analysis

423 Forest Ave, Oak Park, IL 60302

5 bed / 3 bath, 2,834 sqft, built 1889, in Oak Park Appraised at $1,010,000 for 2026.

Cook County account 16071020230000

Appraised value
$1,010,000
Tax year 2026
Market value
$1,010,000
Living area
2,834 sqft
$356 per sqft
Year built
1889
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 +31.8% from $766,140 in 2025 to $1,010,000 in 2026.