Cook County Triennial Property Tax Assessment Schedule

Cook County’s property tax assessment schedule is broken into three sections:

• City Tri: 2024, 2027, 2030 – all City of Chicago townships
• North Tri: 2025, 2028, 2031 – all Cook County townships north of North Avenue not in the City of Chicago
• South Tri: 2026, 2029, 2032 – all Cook County townships south of North Avenue not in the City of Chicago

Below is the Cook County property tax assessment schedule listed by township in alphabetical order:

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