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Carbon County Property Tax Due Date

Montana

(406) 446-1221

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

Carbon County Treasurer

Treasurer

Leah Niemi

Office Address

17 West 11th Street
Red Lodge, MT 59068

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Mailing Address

PO Box 887, Red Lodge, MT 59068

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 Carbon County Treasurer — PO Box 887, Red Lodge, MT 59068

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In Person

Visit the Treasurer's office — 17 West 11th Street, Red Lodge MT 59068, Mon-Fri 8am - 5pm

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About Carbon County

Carbon County is a county located in the U.S. state of Montana. As of the 2020 census, the population was 10,473. Its county seat is Red Lodge.

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

Get Deadline Reminders

We'll email you a fortnight 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.