General homestead exemption
Who may qualify
Owners occupying the property as a principal residence; other qualifying legal interests are described by the county.
Official source. Verified .
DuPage County property tax due dates 2025
✓ Verified — Last verified
Due date passed
Second installment: (announced)
This is the latest published date on file. Confirm your account status with the county.
Not tax or legal advice; confirm with your county. Dates are shown as published by the source.
Installment timeline
- First installment
announced. Official source
- Second installment
announced. Official source
Assessment notice
Notice mailing and assessment publication dates vary by township; see the county’s current table.Official source. Verified .
Only announced dates are included, with a reminder seven days before. Re-download after dates change.
How to pay
Late payments and penalties
Late installments incur 1.5% per month per installment. The USPS postmark determines lateness.
Official source. Verified .
Assessment appeals
File within 30 days after publication of the township assessment roll. Deadlines differ by township.
Official source. Verified .
Exemptions
Senior citizens homestead exemption
Who may qualify
Applicants must be age 65 by December 31 of the assessment year; ownership and occupancy conditions also apply.
Official source. Verified .
Persons with disabilities homestead exemption
Who may qualify
Applicants who provide ownership and qualifying disability documentation with Form PTAX-343.
Official source. Verified .
Returning veterans homestead exemption
Who may qualify
Veterans returning from an armed conflict involving U.S. forces during the claimed tax year.
Official source. Verified .
County offices
DuPage County Treasurer
treasurer
Official source. Verified .
DuPage County Supervisor of Assessments
assessor
Official source. Verified .
Common questions
When is property tax due in DuPage County?
First installment: June 1, 2026 (announced). Second installment: September 1, 2026 (announced).
Where can I pay DuPage County property tax?
Use the official payment portal: https://propertylookup.dupagecounty.gov/. Cash in person, Check, Credit card, Debit card in person
What happens if my DuPage County payment is late?
Late installments incur 1.5% per month per installment. The USPS postmark determines lateness.
Sources and verification
https://www.dupagecounty.gov/elected_officials/treasurer/
your 2025 taxes are billed and collected in 2026.
Verified
https://www.dupagecounty.gov/elected_officials/treasurer/
The due dates this year are June 1, 2026, and September 1, 2026.
Verified
https://www.dupagecounty.gov/elected_officials/treasurer/pay_real_estate_taxes/
pay in person using cash, check, credit or debit card
Verified
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
https://www.dupagecounty.gov/government/departments/supervisor_of_assessments/appeal_process.php
The period during which an appeal may be filed ends thirty days after the publication of the township assessment roll.
Verified
https://www.dupagecounty.gov/government/departments/supervisor_of_assessments/appeal_process.php
You can file a property assessment appeal through the SmartFile appeal e-filing system
Verified
https://www.dupagecounty.gov/government/departments/supervisor_of_assessments/appeal_process.php
Appeal Process
Verified
https://www.dupagecounty.gov/government/departments/supervisor_of_assessments/assessment_status.php
The following table shows all township assessed value publication dates and corresponding appeal filing deadlines.
Verified
https://www.dupagecounty.gov/government/departments/supervisor_of_assessments/exemptions/general_homestead_exemptions_-_residential/
Own and occupy the property as a principal residence, or
Verified
https://www.dupagecounty.gov/government/departments/supervisor_of_assessments/exemptions/senior_citizens/
be age 65 by December 31st of the assessment year for which the application is made.
Verified
https://www.dupagecounty.gov/government/departments/supervisor_of_assessments/exemptions/people_with_disabilities/
File a completed PTAX-343 (PDF) application form with additional documentation demonstrating eligibility.
Verified
https://www.dupagecounty.gov/government/departments/supervisor_of_assessments/exemptions/veterans/
The documents must state that you are returning from an armed conflict involving the armed forces of the U.S. within the tax year that you are requesting this exemption.
Verified
https://www.dupagecounty.gov/government/departments/supervisor_of_assessments/
Supervisor of Assessments
Verified
https://www.dupagecounty.gov/elected_officials/treasurer/tax_information/
Payments made after the due date must include a penalty of 1.5% per month per installment to be processed properly. The U.S. Post Office postmark, not a meter mark, is used to determine late penalty.
Verified
Estimate a bill and check your assessment
Census survey estimates, 2020–2024. These county medians describe a survey population; they do not establish your home’s correct assessment.
- Median home value
- $391,400
- Median annual taxes paid
- $8,007
- Estimated effective rate
- 2.05%
Census home values, Census taxes paid. Last verified 2026-10-24. Rate = median taxes ÷ median home value. Displayed rates are rounded; calculations use the unrounded ratio.
Appeal timing and filing
File within 30 days after publication of the township assessment roll. Deadlines differ by township.
How to file: DuPage County Board of Review through SmartFile.
State guidance: After county Board of Review, appeal to the State Property Tax Appeal Board or file a tax-objection complaint in circuit court.
Official appeal information and filing instructions
Appeal sources and verification
- Official source (verified 2026-10-24)
- Official source (verified 2026-10-24)
- Official source (verified 2026-10-24)
- Official source (verified 2026-10-24)
No savings are promised. Not tax or legal advice; confirm with your county. Estimate methodology and limitations.
A reminder before it’s due
Choose your county for email reminders 14 and 3 days before announced due dates. Confirm your email to join. Unsubscribe in one click.