Tag Archives: Oak Park

Oak Park Township 2026 Property Tax Reassessment: What Homeowners Need to Know

Triennial reassessment notices were mailed on May 6, 2026, to property owners in Oak Park Township, Cook County. If you received a notice, you now have a limited opportunity to review and appeal your property assessment.

Appeal deadline: June 18, 2026

What Is the 2026 Triennial Reassessment?

Cook County has 38 townships, divided into three reassessment districts, with each area reassessed once every three years.

  • Oak Park Township is part of the South Suburban triennial group
  • This means 2026 is a key reassessment year for local homeowners

During this cycle, property values are updated to reflect current market conditions — which can significantly impact your future tax bills.

Why You Should Review Your Property Assessment
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Cook County Board of Review Opens 2025 Property Tax Appeals for Group 2 (Cicero, Oak Park, Palos)

The Cook County Board of Review has officially opened the 2025 property tax appeal window for Group 2 townships: Cicero, Oak Park, and Palos. The deadline to file your appeal is August 19, 2025.

What This Means for Cook County Homeowners

If you live in a Group 2 township and believe your home is over-assessed, this is your opportunity to lower your 2025 property tax bill. Whether or not your property was reassessed this year, you can still appeal your assessment annually.

  • Missed the Assessor’s Office appeal deadline? No problem.
  • Appealed earlier and got denied or a minimal reduction? You have a second shot.
  • Never appealed before? Now is a great time to start.

Why You Should Appeal Your Property Taxes

Appealing your assessed value is the only way to reduce your property tax bill—unless you sell your home or qualify for a new exemption. Our data shows that many Cook County homes are over-assessed, and homeowners are unknowingly paying more than they should.
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Board of Review Opens Group 2 for 2024 Property Tax Appeals!

The Cook County Board of Review has commenced accepting property tax appeals for 2024 for the second group. The deadline to appeal your 2024 assessed value with the Board is September 03, 2024. The townships currently open in Group 2 include:

    • Berwyn
    • Bremen
    • Calumet
    • Maine
    • New Trier
    • Oak Park
    • Palos

Property assessments can be appealed annually, regardless of when a township was reassessed. If you missed the opportunity to appeal at the Assessor’s office earlier this year, or if you appealed but were not satisfied with the outcome, you have another chance to appeal at the Board of Review.
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Oak Park Township 2024 Assessment Notices Mailed

The Cook County Assessor’s office has sent out 2024 property assessment notices to property owners in Oak Park Township. You have the opportunity to appeal your 2024 assessed value until the deadline of April 29th, 2024. It’s important to review your assessments annually and appeal whenever there is strong evidence that your home may not be assessed fairly. Even if you appealed last year, you may appeal your assessment again this year, potentially resulting in two years of savings until the next reassessment in 2026.
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Board of Review Opens Group 1 for 2023 Appeals

The Cook County Board of Review has opened 2023 property tax appeals for the first group. The Board’s deadline to appeal your 2023 assessed value is October 10, 2023. Below are the townships that are currently open in Group 1:

    • Barrington
    • Calumet
    • Norwood Park
    • Oak Park
    • Riverside

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 2023 assessed value is the only way to achieve property tax relief on your second installment property tax bill in the fall of 2024, other than selling your home or claiming a new exemption.
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Assessor Mails 2023 Oak Park Reassessment Notices

Triennial reassessment notices were mailed on Thursday, April 13, 2023, for Oak Park Township property owners. The opportunity to appeal your assessment at the Assessor’s office is now open until Monday, May 15th, 2023.

There are 38 townships in Cook County and they are divided into three districts for the purposes of reassessment within a triennial cycle. Oak Park Township is part of the South Suburban triennial group which is being reassessed in 2023.

We recommend homeowners review their assessment annually, particularly in a triennial reassessment year, to ensure they do not pay more than their fair share in property taxes. Successfully appealing in a reassessment year may provide 3 years of savings on future property tax bills. If you would like a free analysis of your Oak Park Township home in comparison to similar properties, we would be happy to conduct a “no obligation” analysis and provide you with a free estimate of how much we believe we could help you save with an appeal.

Get Your Free Property Tax Reduction Estimate

Board of Review Opens Group 1 for 2022 Appeals

The Cook County Board of Review has opened 2022 property tax appeals for the first group. The Board’s deadline to appeal your 2022 assessed value is December 20, 2022. Below are the townships that are currently open in Group 1:

  • Berwyn
  • Calumet
  • Cicero
  • Oak Park
  • Riverside

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 2022 assessed value is the only way to achieve property tax relief on your second installment property tax bill in the fall of 2023, other than selling your home or claiming a new exemption.

Contact us before the December 20 deadline for a free, no-obligation, and professional analysis of your home’s assessment level compared to similar properties in your neighborhood. We’ll tell you if we don’t think you have a strong case for an appeal. If we feel there is a solid factual-based argument to be made, then you can choose if you would like to hire us to assist you with the appeal. There is no risk in using our service because you pay nothing unless your appeal is successful.

Get Your Free Property Tax Reduction Estimate

Berwyn, Calumet, Cicero, and Oak Park Townships 2022 Assessment Notices Mailed

2022 property assessment notices were mailed by the Cook County Assessor’s office on Wednesday, June 22, 2022, to Berwyn, Calumet, Cicero, and Oak Park Township property owners. The window to appeal your 2022 assessed value is now open until the deadline of July 25, 2022.

We suggest property owners review their assessments annually and appeal whenever there is a strong evidence-based argument that your home may not be assessed fairly. Berwyn, Calumet, Cicero, and Oak Park Township’s next triennial reassessment is scheduled for 2023. However, if you feel that your assessment is not fair there is no need to wait to appeal, property owners have the right to appeal every year at the Assessor’s office and at the Board of Review. If you’d like a professional opinion on your home’s assessed value as it compares to similar properties in your neighborhood contact us for a free, no-obligation, review and analysis of your home.
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Board of Review Opens Group 1 for 2021 Appeals

The Cook County Board of Review has opened 2021 property tax appeals for the first group. The Board’s deadline to appeal your 2021 assessed value is January 04, 2022. Below are the townships that are currently open in Group 1:

  • Norwood Park
  • Oak Park
  • River Forest
  • Riverside

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 2021 assessed value is the only way to achieve property tax relief on your second installment property tax bill in July 2022, other than selling your home or claiming a new exemption.
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Oak Park Township 2021 Assessment Notices Mailed

2021 property assessment notices were mailed by the Cook County Assessor’s office on Tuesday, May 18, 2021, to Oak Park Township property owners. The window to appeal your 2021 assessed value is now open until the deadline of June 16th.

We recommend property owners review their assessments annually and appeal whenever there is a strong evidence based argument that your home may not be assessed fairly. Oak Park Township was reassessed in 2020 but even if you appealed last year you may appeal your assessment again this year. A successful appeal in 2021 may result in two years of savings, until Oak Park is reassessed in 2023. The best way to ensure you never pay more than your fair share in property taxes is to review your assessment every year and appeal whenever you have a strong basis for an appeal argument, no matter where your township is at in the triennial reassessment cycle.
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