Illinois Tax Lien & Tax Deed Auctions

Every Illinois county we track, with its next sale date, platform, and rules — each field sourced directly from the county or state's official page and re-verified on a rolling basis.

Illinois law (35 ILCS 200/21): Annual Tax Sale timing set by the County Treasurer's Office; no fixed statutory day-of-month.

Illinois State Guide →All states →

Cook County, Illinois

lien · ILtaxsale.com (Joseph E. Meyer) / Cook County Treasurer

December 2026 (exact date not yet set)

month confirmed, day TBD

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