2026 Property Tax Due Dates
Installment 1
Varies by town
First installment (Oct-Nov typical)
Installment 2
Varies by town
Second installment (Mar-Apr typical)
Penalty: Interest accrues day after due dateGrace period: None
Payment Methods
Online, Mail, In-Person
Washington County Treasurer
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Washington County Treasurer
In Person
Visit the Treasurer's office
Other Counties in Maine
About Washington County
Washington County is a county located in the U.S. state of Maine. As of the 2020 census, its population was 31,095, making it the third-least populous county in Maine. Its county seat is Machias.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
Get Deadline Reminders
We'll email you 2 weeks 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.