Cook County Value property tax analysis

43 Keystone Ave River Forest, IL 60305

5 bed / 2 bath, 2,000 sqft, built 1923, in River Forest Appraised at $670,000 for 2026.

Cook County account 15123190020000

Appraised value
$670,000
Tax year 2026
Market value
$670,000
Living area
2,000 sqft
$335 per sqft
Year built
1923
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 +11.9% from $598,730 in 2025 to $670,000 in 2026.