The Cook County Assessor is an elected government official who is responsible for establishing fair and accurate property assessments. Valuation of the county's 1.8 million parcels of property is conducted …

Effective Monday, September 22, 2025, the Cook County Assessor’s Office located inside the Markham Courthouse will be closed for remodeling until further notice.

The Cook County Assessor is an elected government official who is responsible for establishing fair and accurate property assessments. Valuation of the county's 1.8 million parcels of property is conducted …

Homeowners: Please review the bottom left corner of your tax bill to confirm your exemption savings. If you are missing an exemption, submit an online application immediately or schedule an appointment …

The mission of the township assessor is to provide information and services which are accessible, prompt, and accurate. Homeowners can visit their local township assessor for assistance.

Illinois law provides the Certificate of Error procedure to allow the Cook County Assessor to apply changes to a property tax bill that has already been issued.

May 20, 2025 · Many Chicago homeowners could see their property taxes increase this year, as residential property took on a greater share of the city's tax burden after appeals for the 2024 …

After estimating the market value of a home, the Assessor’s Office calculates the home’s Assessed Value based on its Level of Assessment. Levels of Assessment are set by Cook County Ordinance …

Contact us on Facebook or Twitter if you have general questions about our office services. Get help from your suburban township assessor. Assisting someone without internet access? Call us at (312) …

Your property’s assessed value, tax rate, and exemptions will be used to calculate the second installment of the property tax bill you receive the following year. Property tax bills are sent by the …