Cook County Board of Review Opens 2025 Property Tax Appeals for Group 5
The Cook County Board of Review has opened 2025 property tax appeals for the fifth group. The Board’s deadline to appeal your 2025 assessed value is December 19, 2025. Below are the townships that are currently open in Group 5:
- Jefferson
- Proviso
- Wheeling
Assessments can be appealed every year, regardless of when a township was reassessed. If you missed your appeal opportunity at the Assessor’s office earlier in the year, or if you did appeal and weren’t satisfied with the result, you have a second opportunity to appeal at the Board of Review. Appealing your home’s 2025 assessed value is the only way to achieve property tax relief on your second installment property tax bill in the fall of 2026, other than selling your home or claiming a new exemption.
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The Cook County Assessor’s office mailed 2025 assessment notices to Jefferson property owners on August 21, 2025. The 43-day window to appeal your assessed value at the Assessor’s office is now open until the deadline of October 03, 2025.
2024 Triennial reassessment notices were mailed to Jefferson Township homeowners on September 30, 2024.
The Cook County Assessor’s office mailed 2023 property assessment notices on August 31st to Jefferson Township property owners. The 31-day window to appeal your 2023 assessed value is now open until the deadline of October 02nd. The following cities, towns, and villages are in Jefferson Township: Albany Park, Avondale, Belmont-Cragin, Dunning, Forest Glen, Hermosa, Irving Park, Jefferson Park, Logan Square, Montclare, and Portage Park.
The Cook County Assessor’s office mailed 2022 assessment notices to Jefferson property owners on Thursday, November 10th, 2022. The 32-day window to appeal your assessed value at the Assessor’s office is now open until the deadline of December 12th, 2022.
The Cook County Board of Review has opened 2021 property tax appeals for the tenth group. The
The Cook County Board of Review has opened 2020 property tax appeals for the eighth group of townships. The
2020 property assessment notices were mailed by the Cook County Assessor’s office on Friday August 28, 2020, to Jefferson Township property owners. The following cities, towns, and villages are in Jefferson Township Albany Park, Avondale, Belmont-Cragin, Dunning, Forest Glen, Hermosa, Irving Park, Jefferson Park, Logan Square, Montclare, and Portage Park. The window to appeal your 2020 assessed value is now open until the deadline of October 2nd 2020.
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