Cook County Value property tax analysis

423 Lenox St, Oak Park, IL 60302

4 bed / 1 bath, 2,020 sqft, built 1923, in Oak Park Appraised at $870,000 for 2026.

Cook County account 16062230110000

Appraised value
$870,000
Tax year 2026
Market value
$870,000
Living area
2,020 sqft
$431 per sqft
Year built
1923
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 +52.2% from $571,790 in 2025 to $870,000 in 2026.