Cook County Value property tax analysis

909 N Marion St, Oak Park, IL 60302

4 bed / 3 bath, 2,295 sqft, built 1929, in Oak Park Appraised at $840,000 for 2026.

Cook County account 16061200210000

Appraised value
$840,000
Tax year 2026
Market value
$840,000
Living area
2,295 sqft
$366 per sqft
Year built
1929
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 +29.0% from $650,960 in 2025 to $840,000 in 2026.