How to pay DuPage County, IL property tax
✓ Verified — Last verified October 24, 2026
Payment details from the official sources for DuPage County. Check the tax year and parcel on your bill before submitting a payment.
Pay on the official siteNot tax or legal advice; confirm with your county.
Payment methods and fees
Published installment dates
Tax year 2025. Dates retain the year published by the source.
Published late-payment rule
Late installments incur 1.5% per month per installment. The USPS postmark determines lateness.
Official source. Verified .
Official offices
DuPage County Treasurer
Sources for these instructions
https://www.dupagecounty.gov/elected_officials/treasurer/
online payment system
Verified October 24, 2026
https://www.dupagecounty.gov/elected_officials/treasurer/pay_real_estate_taxes/
pay in person using cash, check, credit or debit card
Verified October 24, 2026
https://propertylookup.dupagecounty.gov/Datalets/ViewCart.aspx
A 2.1% card fee will be assessed and shown before you submit payment allowing you to cancel. Pay for free using your bank account.
Verified October 24, 2026
Continue with your property
Common questions
Where can I pay DuPage County property tax?
Official payment portal: https://propertylookup.dupagecounty.gov/. Cash in person, Check, Credit card, Debit card in person
Updated , from cited verification dates. Individual sources may have earlier checks.