Thornton Township 2025 Assessment Notices Mailed
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.
We recommend homeowners review their assessments annually and appeal whenever a strong evidence-based argument is that your property may not be assessed fairly. Thornton Township’s next triennial reassessment is scheduled for 2026. However, if you feel that your assessment is unfair, there is no need to wait; property owners have the right to appeal yearly at the Assessor’s office and 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.



2025 property assessment notices were mailed by the Cook County Assessor’s office on September 22, 2025, to Lake Township property owners. The following cities, towns, and villages are in Lake Township: Back of the Yards and Englewood. The 43-day window to appeal your 2025 assessed value is now open until the deadline of November 04, 2025.
2025 property assessment notices were mailed by the Cook County Assessor’s office on September 10, 2025. Orland Township property owners. The following cities, towns, and villages are in Orland Township: Orland Hills, Orland Park, and Tinley Park. The 43-day window to appeal your 2025 assessed value is now open until the deadline of October 23, 2024.
2025 Triennial reassessment notices were mailed to Palatine Township homeowners on September 09, 2025. The following cities, towns, and villages are in Palatine Township: Arlington Heights (west of Wilke Rd.), Barrington, Deer Park, Hoffman Estates (northeast), Inverness, Palatine, Rolling Meadows (north of Central Road, Schaumburg, and South Barrington.
The Cook County Assessor’s office mailed 2025 property assessment notices on August 25th to Proviso Township property owners. The 43-day window to appeal your 2025 assessed value is now open until the deadline of October 7th. The following cities, towns, and villages are in Proviso Township: Bellwood, Berkeley, Broadview, Brookfield (northwest 1/2),
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.
2025 property assessment notices were mailed by the Cook County Assessor’s office on August 04, 2025, to Hyde Park Township property owners. The following cities, towns, and villages are in Hyde Park Township: Avalon Park, Burnside, Calumet Heights, Chatham (portion), East Side, Grand Boulevard (portion), Greater Grand Crossing (portion), Hegewisch, Hyde Park, Kenwood, Oakland (portion), Pullman, Riverdale, Roseland (portion), South Chicago, South Deering, South Shore, Washington Park (portion), West Pullman (portion), and Woodlawn. The window to appeal your 2025 assessed value is now open until the deadline of September 16, 2025.
2025 property assessment notices were mailed by the Cook County Assessor’s office on July 21, 2025, to Lemont Township property owners. The following cities, towns, and villages are in Lemont Township: Lemont, Palos Park (west edge), Willow Springs, and Woodridge. The 43-day window to appeal your 2025 assessed value is now open until the deadline of September 02, 2025.
Over 90% Success Rate on Property Tax Appeals and Protests
No Up-Front Fees