Cook County Value property tax analysis

1040 Clarence Ave, Oak Park, IL 60304

4 bed / 2 bath, 1,690 sqft, built 1924, in Oak Park Appraised at $550,000 for 2026.

Cook County account 16184100180000

Appraised value
$550,000
Tax year 2026
Market value
$550,000
Living area
1,690 sqft
$325 per sqft
Year built
1924
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 +36.6% from $402,750 in 2025 to $550,000 in 2026.