The annual sale of delinquent property taxes for Tax Year 2015 began on April 3, 2017. Payments of delinquent 2015 taxes may be tendered in cash or via certified check, cashier's check or money order to the Cook County Treasurer's Office (118 North Clark Street, Room 112) on or before the business day immediately preceding the date on which such taxes are to be offered for sale. Taxpayers cannot submit payments of delinquent 2015 property taxes via the Cook County Treasurer's Online Payment Site at this time.
After April 10, 2017, taxpayers who would like information concerning whether their 2015 property taxes were sold at the tax sale and information on how to redeem their taxes must contact the Cook County Clerk's Office at www.cookcountyclerk.com or 312.603.5656. The Clerk's Office is located at: 118 North Clark Street, Room 434, Chicago, IL 60602.