Cook County Triennial Property Tax Assessment Schedule

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

• City Tri: 2021, 2024, 2027 – all City of Chicago townships
• North Tri: 2019, 2022, 2025 – all Cook County townships north of North Avenue not in the City of Chicago
• South Tri: 2020, 2023, 2026 – 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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