Cook County Value property tax analysis

525 Fair Oaks Ave, Oak Park, IL 60302

4 bed / 3 bath, 4,616 sqft, built 1918, in Oak Park Appraised at $1,500,000 for 2026.

Cook County account 16064220150000

Appraised value
$1,500,000
Tax year 2026
Market value
$1,500,000
Living area
4,616 sqft
$325 per sqft
Year built
1918
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 +35.0% from $1,111,110 in 2025 to $1,500,000 in 2026.