Cook County Value property tax analysis

845 Mapleton Ave, Oak Park, IL 60302

4 bed / 2 bath, 2,108 sqft, built 1920, in Oak Park Appraised at $550,000 for 2026.

Cook County account 16053020210000

Appraised value
$550,000
Tax year 2026
Market value
$550,000
Living area
2,108 sqft
$261 per sqft
Year built
1920
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 +33.7% from $411,360 in 2025 to $550,000 in 2026.