Cook County assessment mailings suspended

 The Cook County Assessor’s Office announced today the temporary suspension of assessment notice mailings and appeal deadlines. This suspension will remain in place until further notice while the office remains closed to the public. 

Customer service via phone is currently unavailable. Property owners with assessment, exemption, or appeal questions can visit for answers to the most frequently asked questions. Customer service support is also available by sending an email via the Contact section of the website as staff continues to serve the public remotely. 

Residential property owners can continue to file homeowner, senior/senior freeze, veterans and persons with disabilities exemptions online at

Property owners who have already received assessment notices for 2020 can file appeals online at 

Crucial services and operations of the Assessor’s Office continue on a remote basis. Appeals and exemptions already filed will continue to be processed. Many employees have been equipped with the resources necessary to work remotely.