2026 Property Tax Due Dates
Varies (Cook Co.: March 1)
First installment (varies by county)
Varies (Cook Co.: August 1)
Second installment
Payment Methods
Online, Mail, In-Person
DuPage County Treasurer
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to DuPage County Treasurer
In Person
Visit the Treasurer's office — 421 N County Farm Rd, Wheaton IL 60187, Mon-Fri 8am - 4:30pm
Other Counties in Illinois
About DuPage County
DuPage County ( doo-PAYJ) is located in the U.S. state of Illinois, and is one of the collar counties of the Chicago metropolitan area. As of the 2020 census, the population was 932,877, making it Illinois' second-most populous county. Its county seat is Wheaton.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
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Due dates shown are for reference only. Contact your county treasurer's office to confirm official deadlines before making payments.