Mar 1, 2024 · The Cook County Treasurer's Office website was designed to meet the Illinois Information Technology Accessibility Act and the Americans with Disabilities Act.

Dec 3, 2025 · The Cook County Property Tax Portal, created and maintained by the Cook County Treasurer’s Office, consolidates information from the elected officials who take part in the …

Nov 13, 2025 · December 15, 2025, is the hard deadline for due taxes. If payments are even a day late, penalties and interest will begin occurring. This can quickly lead to a spiral of …

Feb 4, 2025 · First installment property tax bills were mailed by the Cook County Treasurer as of February 2, 2025. Payment must be made by March 4, 2025 before interest penalties begin to …

Nov 14, 2025 · Shortened timelines, new due dates, and questions around the county’s modernization project have all added urgency to this year’s billing cycle. Below is the full …

Property owners and investors across Illinois should be mindful of upcoming second installment property tax deadlines for 2025. Below, we’ve compiled a county-by-county list of second …

Jan 8, 2025 · Reminder: Taxes are due December 15, 2025. Pay now to avoid late fees. Struggling financially? Our Payment Plan Calculator is a tool you can use (Press Release) …

Dec 16, 2024 · Treasurer Maria Pappas is offering Cook County property owners the option to prepay their 2024 property taxes that will be due in 2025. Pappas’ office will mail taxpayers …

Jan 29, 2025 · Payments are due March 4, 2025. The First Installment is 55% of the previous year's total tax. Exemptions that can reduce a property owner’s taxes are applied to the …

View the financial reports filed by 547 local Taxing Districts across Cook County pursuant to the Debt Disclosure Ordinance authored by Treasurer Maria Pappas.