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Blaine County Property Tax Due Date

Montana

(406) 357-3280

2026 Property Tax Due Dates

Official Source
Installment 1

November 30

First installment

Installment 2

May 31

Second installment

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Penalty: 2% penalty + 10% interestGrace period: None

Payment Methods

Online, Mail, In-Person

Blaine County Treasurer

Treasurer

Tori MaClean

Office Address

420 Ohio Street North
Chinook, MT 59523

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Mailing Address

PO Box 547, Chinook, MT 59523

Office Hours

Mon-Fri 8am - 5pm

How to Pay

Online

Pay using credit card or e-check

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By Mail

Mail check payable to Blaine County Treasurer — PO Box 547, Chinook, MT 59523

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In Person

Visit the Treasurer's office — 420 Ohio Street North, Chinook MT 59523, Mon-Fri 8am - 5pm

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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

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.