When are property taxes due in Granite County, Montana?

Granite County property taxes are due November 30. A second installment is due May 31. This deadline applies to all counties in Montana.

What is the penalty for late property tax payment in Granite County, Montana?

The late payment penalty in Granite County is 2% penalty + 10% interest.

How do I pay Granite County, Montana property taxes?

You can pay Granite County property taxes via Online, mail, in-person.

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Granite County Property Tax Due Date

Montana

(406) 859-3831

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

Granite County Treasurer

Treasurer

Ashley Todd

Phone

(406) 859-3831

atodd@co.granite.mt.us

Office Address

220 North Sansome Street

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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 Granite County Treasurer

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In Person

Visit the Treasurer's office — 220 North Sansome Street, Philipsburg, Mon-Fri 8am - 5pm

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Other Counties in Montana

Beaverhead Big Horn Blaine Broadwater Carbon Carter Cascade Chouteau

View all Montana counties →

About Granite County

Granite County is a county located in the U.S. state of Montana. As of the 2020 census, the population was 3,309. Its county seat is Philipsburg.

Source: Wikipedia — content available under CC BY-SA 4.0

Related Resources

CountyRollCounty Office Directory

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Due dates shown are for reference only. Contact your county treasurer's office to confirm official deadlines before making payments.