Cook County Triennial Property Tax Assessment Schedule

Cook County Triennial Property Tax Schedule MapCook County’s property tax assessment schedule through 2020 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:

Cook County Township Re-Assessment Period
Barrington 2019, 2022, 2025
Berwyn 2020, 2023, 2026
Bloom 2020, 2023, 2026
Bremen 2020, 2023, 2026
Calumet 2020, 2023, 2026
Cicero 2020, 2023, 2026
Elk Grove 2019, 2022, 2025
Evanston 2019, 2022, 2025
Hanover 2019, 2022, 2025
Hyde Park 2021, 2024, 2027
Jefferson 2021, 2024, 2027
Lake 2021, 2024, 2027
Lakeview 2021, 2024, 2027
Lemont 2020, 2023, 2026
Leyden 2019, 2022, 2025
Lyons 2020, 2023, 2026
Maine 2019, 2022, 2025
New Trier 2019, 2022, 2025
Niles 2019, 2022, 2025
North 2021, 2024, 2027
Northfield 2019, 2022, 2025
Norwood Park 2019, 2022, 2025
Oak Park 2020, 2023, 2026
Orland 2020, 2023, 2026
Palatine 2019, 2022, 2025
Palos 2020, 2023, 2026
Proviso 2020, 2023, 2026
Rich 2020, 2023, 2026
River Forest 2020, 2023, 2026
Riverside 2020, 2023, 2026
Rogers Park 2021, 2024, 2027
Schaumburg 2019, 2022, 2025
South 2021, 2024, 2027
Stickney 2020, 2023, 2026
Thornton 2020, 2023, 2026
West Chicago 2021, 2024, 2027
Wheeling 2019, 2022, 2025
Worth 2020, 2023, 2026

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