The Treasurer receives monies for the County. The Tax Office sends out property tax bills and collects current and delinquent tax payments. The Motor Vehicle Office processes titles and registers all vehicles within the county. A variety of Montana license plates are available through this office.

Taxes owed to the state, municipalities, schools, and special districts are collected at the Treasurer’s Office. With the authorization of the County Commissioners, the Treasurer invests county funds in interest-bearing certificates.