2026 Property Tax Due Dates
November 30
First installment
May 31
Second installment
Payment Methods
Online, Mail, In-Person
Carbon County Treasurer
Treasurer
Leah Niemi
Phone
(406) 446-1221Mailing Address
PO Box 887, Red Lodge, MT 59068
Office Hours
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Carbon County Treasurer — PO Box 887, Red Lodge, MT 59068
In Person
Visit the Treasurer's office — 17 West 11th Street, Red Lodge MT 59068, Mon-Fri 8am - 5pm
Other Counties in Montana
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
Related Resources
Get Deadline Reminders
We'll email you 2 weeks 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.