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Tax liens in Cook County, Illinois

Coverage in progress: parcel and delinquency data for Cook County is not on LienDeed yet. The rules and calendar below are from public county sources.

Tax sale rules

Sale type
Tax lien
Interest
18.00
Basis
penalty
Bidding
bid_down_penalty
Redemption period
30 months
Over the counter
No
  • Penalty rate is per six-month period

Calendar

DateEventNote
Dec 15, 2026Installment DueCook County second installment (dates vary by year)
Dec 16, 2026Delinquent
Mar 3, 2027Installment DueCook County first installment
Dec 15, 2027Installment DueCook County second installment (dates vary by year)
Dec 16, 2027Delinquent
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