Townships open for appeals: Lake, Niles, Rich, North Chicago, South Chicago, Bloom.

Stay Home. Stay Safe. Get Our Help Online.

In-person appointments can be scheduled at the downtown, Markham, and Skokie branch offices. Schedule an appointment and read about ways to obtain services.

Missing an exemption? Tax bill concerns? Most answers can be found on our Frequently Asked Questions page. Explore and access our online services here.

Online tools

File appeals, understand our COVID-19 adjustments, or search for your property info.

COVID-19 Assessment Adjustments

How-to videos via Facebook Live events

All online services

For Homeowners

Get information about property assessments, exemptions, and property tax bills.

2020 Tax Bill Questions & Answers

Missing a tax bill exemption? Click here.

2020 Reassessment Maps and Reports

Businesses & Nonprofits

Learn about commercial property reassessments and find incentives and tools for business owners.

2020 Commercial Reassessment Methodology

Religious Institution Exemptions

More resources and tools for business owners

Missing an exemption?

If the second-installment property tax bill for your home is missing an exemption, the Assessor’s Office can help you obtain a corrected bill or a refund. Learn how, get answers to questions, and apply online for a Certificate of Error.