This site is provided for use by the public and can be used to
search current and historical data on properties and make payments using a
Visa/MasterCard or Discover credit or debit card or via an electronic check
(e-check) process (third party charges apply).
2019 Real Property tax bills are now available on this
site. Actual bills were mailed the first
part of November and were sent to the owner of record. If you haven’t received your bill and would
like a physical copy sent to you, please call 406-582-3030 or email us at
PROPERTY TAX DEADLINES:
- 2019 REAL PROPERTY TAXES: 1ST HALF: December 4, 2019 2ND HALF: June 1, 2020
- 2019 MOBILE HOME TAXES: 2ND HALF: December 2, 2019
Payments must be received by 5:00 PM on the due date
listed above, or postmarked on or before the due date. Taxes become delinquent if not paid by the
due date and will be assessed interest at the rate of 5/6 of 1% per month from
the time of delinquency until paid and a one-time 2% penalty fee will be added
to the delinquent tax.
It takes a few days to process payments.
If you mailed your payment close to the deadline, your parcel status may
show as delinquent. Please contact our
office at the number below if the status continues to show as delinquent longer
than one week after the deadline.
If the status of your
parcel shows as “Current, Assignment Taken” please call the Treasurer’s Office
at 406-582-3033 as soon as possible to avoid the potential loss of your
- Use only one criterion (i.e. name or address or parcel #) to
avoid an incomplete search.
- When searching by owner name, enter the last name followed by the first name or
initial. Example: SMITH JOE OR SMITH J Do
not include commas or other
- To make an online payment using a credit/debit card or via an electronic check
(e-check) process, click the PAY TAXES link which can be found just above the