Cook County Value property tax analysis

3740 N Janssen Ave, Chicago, IL 60613

2 bed / 1 bath, 914 sqft, built 1888, in Lake View Appraised at $1,224,710 for 2026.

Cook County account 14201130300000

Appraised value
$1,224,710
Tax year 2026
Market value
$1,224,710
Living area
914 sqft
$1,340 per sqft
Year built
1888
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 -6.6% from $1,311,880 in 2025 to $1,224,710 in 2026.