Schedule an appointment

In-person appointments can be scheduled at the downtown, Markham, and Skokie branch offices.

To visit us in person, you will be required to:

  • have an appointment
  • wear a mask and practice physical distancing
  • answer health-related questions and undergo thermal screening

Schedule appointment

Options are available for those who wish to avoid in-person appointments.

Services offered online from the Cook County Assessor's Office:

Missing an exemption?

Property assessment appeals 

Find comparable properties

CCAO's COVID-19 Adjustments

Submit a FOIA Request  

Common property tax issues and solutions  

Informational Videos


Ask us questions:

Please have your property tax bill ready.

  • Call us at (312) 443-7550 if you have specific questions or issues regarding your property tax bill. 
  • Send a message if you have specific questions or issues regarding your specific property tax bill. Please note that it can take one or more weeks for us to reply to your email. 
  • Contact us on Facebook or Twitter if you have general questions about our office services.

Assisting someone without internet access?

  • Call us at (312) 443-7550. We can mail forms and offer assistance over the phone. Please have your tax bill ready.