Cook County Value property tax analysis

1040 S Grove Ave, Oak Park, IL 60304

4 bed / 3 bath, 1,148 sqft, built 1912, in Oak Park Appraised at $540,000 for 2026.

Cook County account 16183150140000

Appraised value
$540,000
Tax year 2026
Market value
$540,000
Living area
1,148 sqft
$470 per sqft
Year built
1912
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 +47.4% from $366,370 in 2025 to $540,000 in 2026.