Cook County Value property tax analysis

3925 N Janssen Ave, Chicago, IL 60613

20 bed / 12 bath, 15,238 sqft, built 2026, in Lake View Appraised at $4,290,020 for 2026.

Cook County account 14201020100000

Appraised value
$4,290,020
Tax year 2026
Market value
$4,290,020
Living area
15,238 sqft
$282 per sqft
Year built
2026
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 +43.7% from $2,985,610 in 2025 to $4,290,020 in 2026.