Cook County Tax Assessor

Cook Tax Assessor offices are responsible to carry out the mandate of Illinois in Cook county. The law mandates that all real properties are subject to taxation unless exemption is imposed. Tax assessments are necessary in support to the required services to IL residents. Tax assessments go to services such as those provided for law enforcement, education, fire protection, parks and recreation, and many more.

The Cook county directory portal for local tax assessor offices provides a comprehensive guide to the public. The site includes the name of the assigned tax assessor office for easy reference and related transaction.

Cook Tax Assessor: Cook County Office of the Assessor

Tax Assessor Office Address: 118 North Clark St., 3rd Floor, Chicago, IL 60602

Phone: (312)443-7550

Fax: N/A


Zip Code: 708 847 630 773 312

Office Hours: Central

Schedule an Appointment with Cook County, Illinois Property Tax Assessor

The Cook county, IL tax assessor office provides the necessary services to estimate the real property value within its jurisdiction. The property value is an essential component in computing the property tax bills. The Cook tax assessor office is also tasked to provide supplemental bills, business property taxes, and other vital information for transparency.

Contact your Cook tax assessor office for tax information and other related inquiries and concerns.