2026 Property Tax Due Dates
November 30
First installment
May 31
Second installment
Payment Methods
Online, Mail, In-Person
Sanders County Treasurer
Treasurer
Cathy Green
Phone
(406) 827-6922Mailing Address
P.O. Box 519, Thompson Falls, MT 59873
Office Hours
How to Pay
Online
Pay using credit card or e-check
By Mail
Mail check payable to Sanders County Treasurer — P.O. Box 519, Thompson Falls, MT 59873
In Person
Visit the Treasurer's office — 1037 Main Street, Suite 102, Thompson Falls MT 59873, Mon-Fri 8am - 5pm
Other Counties in Montana
About Sanders County
Sanders County is a county in the U.S. state of Montana. As of the 2020 census, the population was 12,400. Its county seat is Thompson Falls.
Source: Wikipedia — content available under CC BY-SA 4.0
Related Resources
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.