2026 Property Tax Due Dates
Installment 1
April 30
First half
Installment 2
October 31
Second half
Penalty: 3% June 1, +8% December 1Grace period: None
Payment Methods
Online, Mail, In-Person
Skagit County Treasurer
Phone
(360) 416-1750Office Hours
Mon-Fri 8am - 4:30pm
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Skagit County Treasurer
In Person
Visit the Treasurer's office — 700 S. 2nd Street, Room 205, Mount Vernon WA 98273, Mon-Fri 8am - 4:30pm
Other Counties in Washington
About Skagit County
Skagit County is a county in the U.S. state of Washington. As of the 2020 census, the population was 129,523. The county seat and largest city is Mount Vernon.
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.