2026 Property Tax Due Dates
Due Date
January 31
Full payment
Penalty: 6% in February, +1% per month afterGrace period: None
Payment Methods
Online, Mail, In-Person
King County Treasurer
Phone
940-937-6371How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to King County Treasurer
In Person
Visit the Treasurer's office
Other Counties in Texas
About King County
King County is a county located in the U.S. state of Texas. Its population was 265 at the 2020 census, making it the second-least populated county in Texas and the third-least populated county in the United States. King County has no incorporated communities.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
Get Deadline Reminders
We'll email you 14 days before your property taxes are due.
Due dates shown are for reference only. Contact your county treasurer's office to confirm official deadlines before making payments.