Cook County Value property tax analysis

850 Fair Oaks Ave, Oak Park, IL 60302

4 bed / 2 bath, 2,147 sqft, built 1925, in Oak Park Appraised at $710,000 for 2026.

Cook County account 16064050010000

Appraised value
$710,000
Tax year 2026
Market value
$710,000
Living area
2,147 sqft
$331 per sqft
Year built
1925
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 +7.6% from $660,000 in 2025 to $710,000 in 2026.