Error Leaves Some Thornton, Proviso Homeowners Waiting for COVID Adjustments
Some homeowners in Thornton and Proviso Townships will have to wait a little longer to learn how next year’s property tax bill will be impacted by the Cook County Assessor’s adjustment for COVID-19 hardships.
That’s because a processing error left some properties out when the office was applying COVID adjustments to the property tax assessment in those townships, according to a press release. The error does not affect this year’s tax bill because the adjustments will be factored in assessed values used to calculate next year’s property tax bills.
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2020 Triennial reassessment notices were mailed to Thornton Township homeowners on Friday, August 21st. Homeowners in Thornton Township have 35 days to appeal their assessment at the Assessor’s office (there will be a second opportunity to appeal later in the year at the Board of Review, whether you appeal at the Assessor’s office or not). The deadline for appealing at the Assessor’s office is September 25th.
The Cook County Board of Review has opened 2019 property tax appeals for the ninth group. The 
The Cook County Board of Review has opened the sixth group of townships for 2018 property tax appeals. If your property is located in one of the 7 townships listed below the 

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