Dupage County Tax Assessor


Dupage Tax Assessor offices are responsible to carry out the mandate of Illinois in Dupage 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 Dupage 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.


Dupage Tax Assessor: DuPage County Supervisor of Assessments

Tax Assessor Office Address: Jack T. Knuepfer Admin. Bldg., 421 North County Farm Road, Wheaton, IL 60187

Phone: (630) 407-5858

Fax: (630) 407-5860

Website: http://www.dupageco.org/soa/

Zip Code: 630

Office Hours: Central

Schedule an Appointment with Dupage County, Illinois Property Tax Assessor

The Dupage 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 Dupage tax assessor office is also tasked to provide supplemental bills, business property taxes, and other vital information for transparency.

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