2026 Property Tax Due Dates
Due Date
September 30
Full payment
Penalty: 6% county + 5% school initially, then 1% per monthGrace period: None
Payment Methods
Online, Mail, In-Person
Sussex County Treasurer
Phone
(302) 855-7760How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Sussex County Treasurer
In Person
Visit the Treasurer's office
About Sussex County
Sussex County is a county in the southern part of the U.S. state of Delaware, on the Delmarva Peninsula. As of the 2020 census, the population was 237,378, making it the state's second most populated county behind New Castle and ahead of Kent. The county seat is Georgetown.
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.