Cook County, Illinois Tax Sale 2026
Cook County, Illinois has announced its next tax sale for December 2026 (exact date not yet set), but has not yet posted the specific day.
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| Status | Month confirmed, day pending |
|---|---|
| Next possible date | December 2026 (exact date not yet set) |
| Property list | Posted by official source (see link below) |
| Sale type | Tax lien certificate |
| Platform | cooktaxsale.com (Realauction) / Cook County Treasurer |
| Last verified | 2026-07-27 |
Cook County at a glance
Figures above are drawn from TaxLienSimple's tracked inventory, the county competition model and US Census ACS data; see how we verify.
This is one tracked sale cycle. For Cook County's recurring cadence, platform, legal structure, and other tracked cycles, see the Cook County tax sale hub.
What this page shows: Cook County's own office has announced the month but not yet a specific day. We show exactly what they've confirmed — nothing more. Always confirm directly with the official source below before making plans.
Expected (month confirmed): December 2026 (exact date not yet set)
Time: Not yet stated by the official source.
Watch this projected sale
We'll notify you when the county confirms, changes or cancels it.
Property list
Registration deadline
Not yet stated -- registration requires review of rules/regulations plus collateral or a bond per the Treasurer's Office.
Statutory basis
35 ILCS 200/21
Annual Tax Sale timing set by the County Treasurer's Office; no fixed statutory day-of-month.
Sources — verified 2026-07-27
Cook County tax sale — FAQ
When is the next Cook County, Illinois tax sale?
Cook County, Illinois has announced December 2026 (exact date not yet set), but the specific day is not yet posted. We show only what the county has confirmed.
What platform does the Cook County tax sale use?
Cook County, Illinois runs its lien sale via cooktaxsale.com (Realauction) / Cook County Treasurer. Bid-down interest
What is the redemption period and rate in Cook County, Illinois?
Varies by property type (35 ILCS 200/21) Rate/premium: 18% max per 6-month penalty period (35 ILCS 200)
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