Share this article Share this article CHICAGO, April 21, 2021 /PRNewswire/ -- Property taxes were due Tuesday, March 2, 2021, but there is no late fee for those paying their bill through Monday, May 3, 2021, Cook County Treasurer Maria Pappas said today. The Cook County Board of Commissioners in November waived for two months the 1.5 percent per month late fee on Tax Year 2020 First Installment property taxes. Taxpayers can pay the First Installment, due March 2 without a late fee, through May 3, 2021. To make a payment or download a copy of your tax bill, visit cookcountytreasurer.com: Select the blue box labeled "Pay Online for Free"