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Tax Revenue

Tax Revenue Information
How Do I Change My Real Estate Tax Bill Mailing Address?
Call the County Clerk’s Revenue Department at 630-407-5540.


Send a letter to:

Jean Kaczmarek
DuPage County Clerk
P.O. Box 1028
Wheaton, IL 60187

Please include your Parcel Number (PIN), property address and the new mailing address. 
What is a Property Index Number (PIN)?
The DuPage County Clerk’s Office assigns a property index number to each individual parcel in DuPage County representing the geographic location of the property. When a legal description of a piece of property changes, the Clerk’s office will assign a new PIN to the property. Please call 630-407-5540 if you have any questions regarding PIN numbers. 
What are the Tax Rates for the Taxing Districts in DuPage County?

The DuPage County Clerk’s Office calculates the tax rates (set within statutory limits) for every taxing district in DuPage County. The tax levies are adopted by each taxing district's board and the Equalized Assessed Value of the properties in each district is certified by the Supervisor of Assessments.

Where Do Your Tax Dollars Go?

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