Cook County Value property tax analysis

3508 N Janssen Ave, Chicago, IL 60657

4 bed / 3 bath, 2,120 sqft, built 1890, in Lake View Appraised at $950,030 for 2026.

Cook County account 14203020270000

Appraised value
$950,030
Tax year 2026
Market value
$950,030
Living area
2,120 sqft
$448 per sqft
Year built
1890
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 -4.2% from $991,590 in 2025 to $950,030 in 2026.