Cook County Value property tax analysis

3423 N Janssen Ave, Chicago, IL 60657

8 bed / 3 bath, 4,020 sqft, built 1904, in Lake View Appraised at $1,253,840 for 2026.

Cook County account 14203110110000

Appraised value
$1,253,840
Tax year 2026
Market value
$1,253,840
Living area
4,020 sqft
$312 per sqft
Year built
1904
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 0.0% from $1,253,840 in 2025 to $1,253,840 in 2026.