Cook County property tax bill payment deadline extended to April because of late billing

Cook County homeowners have all been granted an extension in paying their first-installment property tax bills for 2026.
WTTW News

A Month Late, First Installment of 2025 Cook County Property Tax Bills to Be Due April 1

First installment property tax bills are typically released in February and due in early March, but will be delayed by one month by an overhaul of the county’s property tax system plagued with ...

Cook County's first installment property tax bills will be month later than normal

State legislature enacted a one-time-only extension to help taxpayers with the short gap between bills.
Morningstar

If you can't pay your taxes by the December 15 due date, there's a 13-month payment plan available! Register now at CookCountyTreasurer.com. | Morningstar

CHICAGO, Dec. 3, 2025 /PRNewswire/ -- Second-Installment Cook County property taxes are due Dec. 15, for nearly 1.8 million Cook County properties. That means property owners have less than two weeks ...