Cook County Board of Review Opens 2025 Property Tax Appeals for Group 2B
The Cook County Board of Review has opened 2025 property tax appeals for the second group. The Board’s deadline to appeal your 2025 assessed value is September 16, 2025. Below are the townships that are currently open in Group 2b:
- Elk Grove
 - Lakeview
 - Lyons
 - New Trier
 
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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Attention Cook County homeowners! The Board of Review has officially opened the window for property tax appeals for Group 3 for 2024. If you reside in any of the following townships, now is the time to act:
The Cook County Assessor’s office has released the 2024 property assessment notices, and you have until July 01, 2024, to challenge your assessment.
The Cook County Board of Review has opened 2023 property tax appeals for the fourth group. The 
2023 property assessment notices were mailed by the Cook County Assessor’s office on Thursday, July 06, 2023, to Elk Grove Township property owners. The window to appeal your 2023 assessed value is now open until the deadline of August 07, 2023.
The Cook County Board of Review has opened 2022 property tax appeals for the fifth group. The 
2022 Triennial reassessment notices were mailed to Elk Grove Township homeowners on Monday, August 01, 2022. The following cities, towns, and villages are in Elk Grove Township: Arlington Heights, Elk Grove Village, Mount Prospect, Rolling Meadows, and Des Plaines.
The Cook County Board of Review has opened 2021 property tax appeals for the fourth group. The 
2021 property assessment notices were mailed by the Cook County Assessor’s office on Monday, June 28, 2021, to Elk Grove Township property owners. The window to appeal your 2021 assessed value is now open until the deadline of July 29, 2021.
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