This page helps with Property Tax tasks in DuPage County, Illinois, including finding property records, viewing tax bill information, checking payment options, and contacting the right county office.
The main online starting point is the DuPage County Property Records Search, while payment questions are handled by the DuPage County Treasurer.
DuPage County Property Records Search
Use the DuPage County Property Records Search to look up public property records by parcel or address details.
- Parcel Number, also called a PIN or Property Index Number
- Street address
- Billing name
- Map search details, when using the map option
The site also includes options for BOR Hearings and tax bill access from a property record.
- Choose Parcel Number (PIN) Search or Address Search.
- Enter the required information and select Search.
- Select the PIN from the results.
- Use the Property Tax Bill option in the right-hand column.
- Select Go to open the bill PDF.
If the bill PDF does not open, check whether your browser is blocking popups.
Property tax bills and due dates
DuPage County property taxes are billed and collected in arrears. The 2025 tax bills were mailed on April 29, 2026, with one bill containing coupons for both installments.
The Treasurer lists these key 2026 dates for 2025 taxes:
| Date | Property tax item |
|---|---|
| April 29, 2026 | Property tax bills mailed |
| June 1, 2026 | First installment due |
| September 1, 2026 | Second installment due |
| October 30, 2026 | Last day to pay using the online payment system |
| November 19, 2026 | Property Tax Sale for unpaid 2025 taxes begins at 9:00 a.m. |
For full calendar details, review the Treasurer’s property tax information page.
Payment options for DuPage County property taxes
The DuPage County Treasurer accepts real estate tax payments online, by phone, by mail, in person, through participating banks, and by wire after contacting the office for instructions.
| Payment method | Key details |
|---|---|
| Savings or checking ePay | Funds are withdrawn in the amount and on the date you set. |
| Credit card ePay | Visa, MasterCard, and Discover are accepted with a 2.10% convenience fee. |
| Phone payment | Pay by phone at 1-855-795-3091. |
| Payments may be mailed to the DuPage County Treasurer’s Office at 421 N. County Farm Road, Wheaton, IL 60187. | |
| In person | Pay at the Treasurer’s Office by cash, check, Visa, MasterCard, Discover, or debit card. |
| Participating banks | Taxes may be paid at many DuPage County banks through September 1, 2026; allow 10 business days for processing. |
Use the Treasurer’s real estate tax payment page for online payment options and payment instructions.
Late payments, penalties, and tax sale timing
Late real estate tax payments are charged interest at 1.5% per month on the amount due. The U.S. Postal Service postmark is used to determine late payment penalties for mailed payments.
To avoid publication of delinquent taxes in the newspaper, the full amount due for 2025 taxes must be received by October 2, 2026. After October 31, 2026, payment must be made by cashier’s check, money order, or cash. Credit and debit card payments are accepted in person through the end of business on November 18, 2026.
Tax sale warning: To avoid the 2025 real estate taxes being offered at the annual Tax Sale, the full amount owed, including penalties and costs, must be received in the Treasurer’s Office by 4:30 p.m. on November 18, 2026.
Tax bill details and exemptions
A DuPage County tax bill shows the PIN, billing name and address, property location, taxing districts, tax rates, assessed value, equalized value, exemptions, total tax due, and net due.
Assessment questions should be directed to the Township Assessor listed on the tax bill. Billing name or address changes are handled through the County Clerk at (630) 407-5540.
Common exemptions listed by the Treasurer include residential, senior, senior freeze, disabled persons, disabled veterans, returning veterans, homestead improvement, and housing abatement exemptions. For senior freeze and some veteran exemption questions, contact the DuPage County Supervisor of Assessments Office.
Electronic bills and mailing changes
Property owners may register to receive annual property tax bills by email. The authorization uses the email address provided, and a new authorization is needed if the email changes, becomes inactive, or ownership changes.
Register through the electronic tax bill authorization form. You remain responsible for paying taxes on time even if you do not open or receive an emailed bill.
For mailing updates, use the Treasurer’s property mailing change form. The form asks for the Property Index Number with dashes, name, email, phone, mailing address, and a certification name.
County Clerk property tax records
The DuPage County Clerk calculates property tax rates for taxing districts in DuPage County. The Clerk’s property tax resources include tax rate and report information, tax history search, tax redemption, and tax revenue information.
The County Clerk also provides access to documents such as local government bonds, abatements of taxes, tax levies, and tax extension worksheets through the Property Tax Document Portal.
DuPage County property tax contacts
Use these offices for property tax payment, assessment, rate, and account questions.
-
DuPage County Treasurer, 421 N. County Farm Road, Room 1-200, Wheaton, IL 60187
Phone: (630) 407-5900
Email: propertytaxadvocate@dupagecounty.gov -
DuPage County Clerk, 421 N. County Farm Road, Room 1-300, Wheaton, IL 60187
Phone: (630) 407-5500
Email: countyclerk@dupagecounty.gov -
Supervisor of Assessment, 421 N. County Farm Road, Room 1-100, Wheaton, IL 60187
Phone: (630) 407-5858 -
Board of Review, 421 N. County Farm Road, Room 1-100, Wheaton, IL 60187
Phone: (630) 407-5888 -
DuPage County general information, Wheaton, IL 60187
Phone: (630) 407-6500
General hours: 8 a.m. to 4:30 p.m., Monday through Friday
Common questions
Where can I search DuPage County property tax records online?
Use the DuPage County Property Records Search to search by PIN, address, billing name, map search, or other available search options.
How do I print a DuPage County tax bill?
Search by PIN or address, select the PIN from the results, choose Property Tax Bill in the right-hand column, and select Go. If the PDF does not open, disable your popup blocker.
Who handles DuPage County property tax payments?
The DuPage County Treasurer handles real estate tax payments. The office phone number is (630) 407-5900.
When are 2025 DuPage County property taxes due in 2026?
The first installment is due June 1, 2026, and the second installment is due September 1, 2026.
What is the late payment penalty for DuPage County real estate taxes?
Late payments are charged 1.5% interest per month on the tax amount due. For mailed payments, the U.S. Postal Service postmark determines the late payment penalty.
Who should I contact about my assessed value?
Assessment questions should go to the Township Assessor listed on the tax bill. The Treasurer’s Office does not determine property values.
How do I change the billing name or address on a tax bill?
For billing name or address changes, contact the County Clerk at (630) 407-5540 or use the Treasurer’s property mailing change form.
Can I receive my DuPage County property tax bill by email?
Yes. Submit the electronic tax bill authorization form with your name, mailing address, phone, email, parcel number, and property address. A new authorization is needed after an email or ownership change.