Prairie County Government

217 West Park Street, Terry, MT 59349-0125


Jamie Smith, Treasurer
Cheryl Morrison, Deputy

Prairie County Courthouse
217 W. Park
PO Box 566
Terry, MT 59349
Phone: (406) 635-5577                 
Fax: (406) 635-5576

Email :

8:00 am – 12:00 pm
1:00 pm - 5:00 pm
Monday thru Friday

Checks, cash or money orders, VISA, Mastercard, or e-checks accepted at this time.



Real Estate:

1st payment taxes due November 30
2nd payment taxes due May 31

Mobile Homes:

1st payment taxes due May 31
2nd payment taxes due November 30

Personal property:

Payment due May 31, or 30 days after mailing of tax notice
For values of property, please contact the Department of Revenue Office located in the Prairie County Courthouse at 406-635-5560.


Under strict statutory regulations, the Prairie County Treasurer has the following authority:

  • Custody of Prairie County’s funds
  • Controls the flow of money to and from the County
  • Invests money for both County funds and funds of various taxing districts
  • Prepares and mails annual tax notices and delinquent tax notices
  • Processes tax lien sales, redemptions, and issuance of tax deeds
  • Manages the operation of the Motor Vehicle Department


Residents of Prairie County title and register motor vehicles at the Treasurer’s Office.  For assistance titling a vehicle, please contact the Treasurer’s Office.  Registrations may be renewed in person, by mail, or online at
To learn more about motor vehicle licensing and to access downloadable forms, please visit their website at