Cook County Value property tax analysis

447 Greenfield St, Oak Park, IL 60302

3 bed / 2 bath, 1,904 sqft, built 1936, in Oak Park Appraised at $670,000 for 2026.

Cook County account 16062220080000

Appraised value
$670,000
Tax year 2026
Market value
$670,000
Living area
1,904 sqft
$352 per sqft
Year built
1936
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 +27.3% from $526,400 in 2025 to $670,000 in 2026.