Cook County Treasurer

Government AdministrationIllinois, United States201-500 Employees

The Cook County Treasurer’s Office is an official government entity serving more than 1.8 million property owners across Cook County, Illinois. Led by Treasurer Maria Pappas, the office promotes transparency, accountability, and public service — providing taxpayers with direct access to property tax data, refunds, payment options, and community resources through CookCountyTreasurer.com and verified social media channels.

The Treasurer oversees the second-largest property tax collection and distribution system in the United States, collecting more than $16 billion annually from property owners and distributing funds to approximately 2,200 local government agencies, including schools, cities, libraries, parks, and public health districts.

The office maintains an investment policy that ensures compliance with laws, safeguards public funds, promotes diversification, and provides liquidity to meet obligations on time.

Under Illinois law, the Treasurer securely receives, manages, and disburses public revenues, files financial reports with the Cook County Board, and oversees refunds of overpaid property taxes — including duplicate payments, overpayments, or court-ordered reductions.

Through innovation and modernization, the Cook County Treasurer’s Office continues to strengthen transparency, efficiency, and fairness in property tax collection and distribution.

Official government page of the Cook County Treasurer’s Office — serving the residents of Cook County with integrity, innovation, and public trust.

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