Most new boats must be registered through the Titling and Registration Bureau of the Montana Motor Vehicles Division before they can be sailed. Registrations of vessels are permanent.

VESSELS THAT REQUIRE REGISTRATION

1. Any motorboat (including those using motors as secondary propelling source)
2. Sailboats that are twelve feet or more in length.
3. All personal vessels
4. Amphibious vessels

VESSELS THAT DO NOT REQUIRE REGISTRATION

1. Any boat that is propelled only by oars or paddles
2. Any non-motorized sailboat less than twelve feet in length.
3. A ship's lifeboat
4. Sail boards, seaplanes and inflatable vessels
5. Boats owned by any government
6. Boats registered in another country/state and not being used in Montana for more than 90 days

TO REGISTER IN PERSON

• You can register a boat in person by visiting your nearest County Treasurer's Office
• You must bring a completed boat registration application and proof of ownership such as a bill of sale, previous title and registration, invoice, bill of lading, certificate of origin, or out-of-state title.

TO REGISTER BY U.S. MAIL

The boat registration application and proof of ownership can also be mailed to the nearest County Treasurer's Office

FEES

Boat registration fees range from $15.50 to $295.50 depending on the type and length of vessel. See here for a more detailed breakdown of the registration fees including the fees paid in place of taxes.

ADDITIONAL INFORMATION

• Both the vessel registration number and current decals must be clearly displayed on the vessel, according to Montana requirements.
• The vessel's registration papers must be carried on the vessel while sailing.
• For additional information, see Montana Boating Laws