Custer County, Montana Property Tax Due Dates
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Custer County Property Tax Due Date

Montana

(406) 874-3426

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

Custer County Treasurer

Office Address

1010 Main Ste 15
Miles City, MT 59301

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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 Custer County Treasurer

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In Person

Visit the Treasurer's office — 1010 Main Ste 15, Miles City MT 59301, Mon-Fri 8am - 5pm

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Other Counties in Montana

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Helpful Guides

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