Owners in South Chicago Township, which covers the City of Chicago from Lake Michigan west to the Stevenson Expressway and the Chicago River and from Wacker Drive south to Pershing Road, can file a free 2026 assessment appeal with the Cook County Assessor until Dec. 15, 2026, according to the Assessor’s calendar last updated Nov. 5, 2026.
Facts checked November 6, 2026 · Chicago First Time Home Buyer editorial team
When is the South Chicago Township property tax appeal deadline in 2026?
The Assessor lists a reassessment notice date of Oct. 30, 2026 and a last file date of Dec. 15, 2026 for South Chicago Township. Those are the latest dates of the eight Chicago townships on the Assessor’s 2026 calendar. The Board of Review, the second place you can appeal, had no South Chicago dates listed on that calendar as of its Nov. 5, 2026 update.
| South Chicago Township, 2026 | Date or amount | Source |
|---|---|---|
| Assessor reassessment notice date | Oct. 30, 2026 | Cook County Assessor calendar, updated Nov. 5, 2026 [1] |
| Assessor last file date | Dec. 15, 2026 | Cook County Assessor calendar, updated Nov. 5, 2026 [1] |
| Board of Review appeal dates | None listed | Cook County Assessor calendar, updated Nov. 5, 2026 [1] |
| Fee to file with the Assessor | $0 | Cook County Assessor appeals page [2] |
Is South Chicago Township being reassessed in 2026?
No. The Assessor says the south and west suburbs of Cook County are reassessed in 2026, and properties in the City of Chicago and the north suburbs are reassessed only if there is a change. South Chicago Township was last reassessed in 2024, when the Assessor called it “the final township of the 2024 Chicago reassessment.” The appeal window still opens each year, so you can appeal the value on your 2026 notice without a new reassessment.
How did the 2024 South Chicago reassessment compare with sale prices?
For the 2024 reassessment the Assessor compared 2023 median sale prices with its own 2024 median estimated market values in South Chicago Township. Both columns cover the same township and property type; the sale prices are from calendar year 2023 and the estimates are for tax year 2024. Total assessed value in the township rose 25%, and the 2024 appeal deadline was Dec. 12, 2024.
| Property type (South Chicago Township) | 2023 median sale price | 2024 Assessor median estimated market value |
|---|---|---|
| Single-family homes | $452,000 | $394,000 |
| Condos | $271,000 | $319,000 |
| Small apartment buildings | $430,000 | $428,000 |
These are township-wide medians. Whether your own value is high depends on your building, unit and recent sales of similar properties, which is what an appeal looks at.
Should a South Chicago Township owner or recent buyer appeal?
The Assessor’s rule of thumb: if the characteristics on record for your property are correct and its estimated market value is within 10 percent of what you think it is worth, an appeal is unlikely to lower your assessment enough to meaningfully reduce your tax bill. If the characteristics are wrong, or the value is well above what you paid or what similar homes sold for, an appeal is worth a look. Filing is free, can be done online in as little as 20 minutes, and you do not need to hire anyone.
If you are buying in the township now, the seller’s notice is the one that matters this year. Ask your attorney whether the seller has appealed, and see how to estimate a Chicago property tax bill before you set a budget. The full step-by-step process is in our guide to appealing a property tax assessment in Chicago.
Which other Chicago townships are open for appeals?
| Chicago township | 2026 Assessor notice date | 2026 Assessor last file date |
|---|---|---|
| Rogers Park | Apr. 17, 2026 | June 1, 2026 (closed) |
| Lake View | May 28, 2026 | July 13, 2026 (closed) |
| West Chicago | July 10, 2026 | Aug. 21, 2026 (closed) |
| Hyde Park | Aug. 26, 2026 | Oct. 8, 2026 (closed) |
| Lake | Sept. 16, 2026 | Oct. 29, 2026 (closed) |
| Jefferson | Sept. 29, 2026 | Nov. 12, 2026 (closed) |
| North Chicago | Oct. 9, 2026 | Nov. 24, 2026 (open) |
| South Chicago | Oct. 30, 2026 | Dec. 15, 2026 (open) |
An appeal is separate from exemptions. New owners should also make sure the Cook County Homeowner Exemption is on the property.
Common questions
What is the last day to appeal in South Chicago Township in 2026?
Dec. 15, 2026 is the Cook County Assessor’s last file date for South Chicago Township, per its calendar last updated Nov. 5, 2026. The Assessor says the deadline is also printed on your notice.
Does it cost anything to appeal with the Cook County Assessor?
No. Filing with the Assessor is free, and the Assessor says you do not need to hire anyone to file.
Where is South Chicago Township?
Per the Assessor’s Oct. 5, 2021 release, it is bordered by Lake Michigan on the east and Pershing Road on the south, and on the west follows the Stevenson Expressway and the Chicago River north to Wacker Drive. Your notice or the Assessor’s property search shows your township.
What if I miss the Dec. 15 deadline?
The Assessor says you generally must wait and appeal the following year when your township is open. The Board of Review may also open South Chicago later; no dates were listed on the Assessor’s calendar as of Nov. 5, 2026.
Sources
- Cook County Assessor, Assessment & Appeal Calendar (last updated Nov. 5, 2026; read Nov. 6, 2026).
- Cook County Assessor, Overview of How Appeals Work (read Nov. 6, 2026).
- Cook County Assessor, Property Values for South Chicago Township Released (Oct. 29, 2024 release; read Nov. 6, 2026).
- Cook County Assessor, South Chicago: Residential Valuations (2024 reassessment; read Nov. 6, 2026).
- Cook County Assessor, Property reassessments released for South Chicago Township (Oct. 5, 2021; boundaries; read Nov. 6, 2026).