2026 Property Tax Due Dates
November 30
First installment
May 31
Second installment
Payment Methods
Online, Mail, In-Person
Blaine County Treasurer
Treasurer
Tori MaClean
Phone
(406) 357-3280Mailing Address
PO Box 547, Chinook, MT 59523
Office Hours
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Blaine County Treasurer — PO Box 547, Chinook, MT 59523
In Person
Visit the Treasurer's office — 420 Ohio Street North, Chinook MT 59523, Mon-Fri 8am - 5pm
Other Counties in Montana
About Blaine County
Blaine County is a county in the U.S. state of Montana. As of the 2020 census, the population was 7,044. Its county seat is Chinook.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
Get Deadline Reminders
We'll email you 336 hours 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.