Happy Holidays! Don’t Miss Out on 2025 Property Tax Savings!
There are only 11 townships left to open at the Board of Review for the 2025 Cook County tax appeal cycle. If your property is in Lake, North Chicago, Orland, Palatine, Rich, Schaumburg, South Chicago, or Thornton, you could be next—and you may be leaving thousands of dollars in potential savings on the table.
At Kensington Research & Recovery, we can run a free, no-obligation analysis on your property to see if you have a strong case for a tax appeal. Many homeowners in these townships are already seeing potential savings of $1,000 or more!
Here’s why you shouldn’t wait: Continue reading



The Cook County Assessor’s office mailed 2025 property assessment notices on October 01, 2025. to Thornton Township property owners. The 44-day window to appeal your 2025 assessed value is now open until the deadline of November 14, 2025. The following cities, towns, and villages are in Thornton Township: Blue Island (southern edge), Burnham, Calumet City, Dixmoor, Dolton, East Hazel Crest, Glenwood (northern 1/4), Harvey, Hazel Crest, Homewood (northeast half), Lansing (northern half), Markham (eastern 1/4), Phoenix, Posen, Riverdale, South Holland, and Thornton.
Attention Cook County homeowners! The Board of Review has opened the 2024 property tax appeal window for Group 6. If you live in Rich, Schaumburg, or Thornton Township, now is the time to act!
On Friday, September 06th, 2024, the Cook County Assessor’s office mailed 2024 property assessment notices to Thornton Township property owners. The window for appealing your 2024 assessed value is now open and will remain so until the deadline of October 21, 2024.
The Cook County Board of Review has opened 2023 property tax appeals for the fourth group. The
2023 Triennial reassessment notices were mailed to Thornton Township homeowners on Friday, August 04, 2023. Homeowners in Thornton Township have 30 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 05, 2023.
The Cook County Board of Review has opened 2022 property tax appeals for the fifth group. The
The Cook County Assessor’s office mailed 2022 property assessment notices on August 17th to Thornton Township property owners. The 33-day window to appeal your 2022 assessed value is now open until the deadline of September 19th. The following cities, towns, and villages are in Thornton Township: Blue Island (southern edge), Burnham, Calumet City, Dixmoor, Dolton, East Hazel Crest, Glenwood (northern 1/4), Harvey, Hazel Crest, Homewood (northeast half), Lansing (northern half), Markham (eastern 1/4), Phoenix, Posen, Riverdale, South Holland, and Thornton.
The Cook County Board of Review has opened 2021 property tax appeals for the fifth group. The
The Assessor’s Office has mailed 2021 assessment notices to Thornton property owners. You may appeal your assessment each year during the 30-day window which is now open and will close on September 09th. The following cities, towns, and villages are in Thornton Township: Blue Island (southern edge), Burnham, Calumet City, Dixmoor, Dolton, East Hazel Crest, Glenwood (northern 1/4), Harvey, Hazel Crest, Homewood (northeast half), Lansing (northern half), Markham (eastern 1/4), Phoenix, Posen, Riverdale, South Holland, and Thornton.
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