Montana registration happens through your county treasurer's office, not a state DMV
Montana does not have a Department of Motor Vehicles. Instead, each of the state's 56 counties runs its own vehicle registration through the county treasurer's office. This means the process, fees, and required documents can vary slightly depending on which county you live in, but the core steps are the same everywhere in the state.
You will need to visit your county treasurer in person or by mail with proof of ownership, proof of residency, and payment. The treasurer issues your registration and license plates on the spot or by mail, depending on how you submit your paperwork. Most counties also allow you to renew registration by mail or online in subsequent years, even if you had to register in person the first time.
Key Takeaways
- Registration happens at your county treasurer's office, not a state agency, so contact your specific county for exact fees and hours.
- You need the vehicle title, proof of residency (utility bill, lease, or mortgage statement), and a completed process form to register.
- Montana charges registration based on the vehicle's age and weight, not its value, so older or lighter vehicles cost less to register than in many other states.
- If you buy a used car from a private seller, you have 14 days to register it before you can legally drive it; dealer sales give you 30 days.
- Most counties allow mail-in or online renewal after your first registration, but you must register a newly purchased vehicle in person or by mail with original documents.
What documents you need to bring or mail
The vehicle title is the foundation of registration. If you bought the car from a dealer, the dealer usually handles the title transfer and gives you the paperwork to take to the treasurer. If you bought from a private seller, the seller must sign the back of the title and give it to you; you then bring it to the treasurer. If the title is held by a lender (because you financed the car), the lender will send the title to you once the loan is paid off, or they may send it directly to the county treasurer.
Proof of residency shows you live in the county where you are registering. A current utility bill, lease agreement, mortgage statement, or property tax notice all work. The document must show your name and current address. If you just moved to Montana or to a new county, bring the document that shows your new address.
You will also need to complete Form MV-14, the Montana Vehicle Registration process. You can read this from your county treasurer's website or pick it up in person. The form asks for your name, address, the vehicle identification number (VIN), the vehicle's make and model, and the odometer reading. Some counties provide the form when you arrive; others ask you to fill it out ahead of time.
If someone else is co-owning the vehicle with you, both owners should be present or both should sign the process. If you are registering a vehicle owned by a business, bring the business registration documents and proof that you are authorized to register it on behalf of the business.
How registration fees are calculated in Montana
Montana's registration fee depends on two things: the age of the vehicle and its dry weight (the weight without fuel or cargo). Newer vehicles cost more; older vehicles cost less. Heavier vehicles cost more; lighter vehicles cost less. The state publishes a fee schedule that all counties use, so the cost is the same whether you register in Missoula County or Richland County.
As an example, a 2020 sedan weighing 3,500 pounds will cost more than a 2010 sedan of the same weight, and a 2020 truck weighing 5,000 pounds will cost more than a 2020 sedan. You can find the exact fee by looking up your vehicle's year and weight on your county treasurer's website, or by calling the office and giving them those two pieces of information.
Montana also charges a vehicle tax based on the vehicle's value, separate from the registration fee. This tax is calculated using a depreciation schedule; the state assumes a vehicle loses value each year, so a 10-year-old car is taxed at a lower value than a 2-year-old car of the same make and model. The county treasurer calculates this tax when you register and adds it to your bill.
You may also owe a county-specific fee if your county charges one. Some counties add a small fee for road maintenance or county services. Call your county treasurer's office to ask whether your county charges this fee on top of the state registration and tax.
Registering a vehicle you just bought: the 14-day and 30-day rules
Montana law gives you different amounts of time to register depending on where you bought the car. If you bought from a licensed dealer, you have 30 days from the date of purchase to register the vehicle. If you bought from a private seller, you have 14 days. In both cases, you cannot legally drive the car on public roads after that important date without a valid registration, even if you have already started the registration process.
The clock starts on the date the dealer or seller gives you the keys and you take ownership. If you buy a car on a Saturday, the 14 or 30 days includes that Saturday. If you miss the important date, you can still register the vehicle, but you may face a late fee or be required to provide proof that you did not drive it during the unregistered period.
To avoid problems, register as soon as you have the title in hand. If you are buying from a private seller and the title is not yet signed over to you, ask the seller to sign it before you leave. If you are buying from a dealer and the dealer says they will mail the title to you, ask when you should expect it and plan to register within a week of receiving it.
Where to register and how to submit your paperwork
Find your county treasurer's office by searching "[Your County Name] Montana County Treasurer" online or by calling your county's main phone line. Most treasurers' offices are located in the county courthouse or a county building in the largest city in the county. Hours are typically Monday through Friday, 8 a.m. to 5 p.m., but some offices close for lunch or have shorter hours on certain days.
You can register in person by walking in with your documents and payment. The process usually takes 15 to 30 minutes. You will receive your registration certificate and license plates on the spot, or the office will mail them to you within a few days if plates are not in stock.
Many counties also allow mail-in registration for new vehicles. You send your completed Form MV-14, title, proof of residency, and payment to the treasurer's office. Include a self-addressed stamped envelope if you want the registration and plates mailed back to you. Mail-in registration typically takes one to two weeks from the date the office receives your paperwork.
Some counties offer online renewal for vehicles that have already been registered in Montana. You can renew through the county treasurer's website by entering your registration number and paying the renewal fee. Online renewal is not available for first-time registration of a new-to-you vehicle; that always requires the original title and proof of residency.
License plates and special registration options
When you register, you receive two standard license plates (one for the front, one for the back) unless you request something different. Montana plates show the county name at the bottom, so a vehicle registered in Gallatin County will have "Gallatin" on the plate, while one registered in Flathead County will show "Flathead."
Montana offers several special plate options that cost more than standard registration but support specific causes or organizations. These include military veteran plates, disabled veteran plates, conservation plates, and tribal plates. If you want a special plate, tell the county treasurer when you register and pay the additional fee. Special plates are not available for all vehicle types; for example, some are only for passenger cars, not trucks or motorcycles.
If you are registering a vehicle that is more than 40 years old, you may be able to register it as an antique vehicle. Antique registration costs less than standard registration and allows you to drive the vehicle for pleasure and exhibition, though not for daily commuting. Ask your county treasurer whether your vehicle qualifies and what restrictions explore.
What happens if you move to a different Montana county
If you move from one Montana county to another, you do not need to re-register your vehicle when ready. Your registration remains valid until the renewal date printed on your registration certificate. However, you should update your address with the new county treasurer's office so that renewal notices and other correspondence reach you at your new address.
To update your address, contact the new county treasurer's office and provide your current registration number, new address, and proof of residency. Some counties allow you to do this by phone or mail; others require you to visit in person. When your registration comes up for renewal, you will renew it through your new county.
Registering a vehicle you brought from out of state
If you moved to Montana from another state and brought a vehicle with you, you must register it in Montana within 60 days of establishing residency. You will need the out-of-state title, proof of Montana residency, and Form MV-14. The county treasurer will accept your out-of-state title as proof of ownership and issue a Montana registration.
If your out-of-state title is held by a lender, contact the lender and ask them to release the title to you or to send it to the Montana county treasurer. Some lenders will mail the title directly to you; others require you to pay off the loan first. Once you have the title in hand, take it to the county treasurer along with your other documents.
Montana will not issue a new title document; instead, your out-of-state title becomes your Montana title. The county treasurer will stamp it to show it has been registered in Montana. Keep this title in a safe place, as you will need it if you sell the vehicle or move to another state.
Frequently Asked Questions
Can I register a vehicle online in Montana?
Online registration is available for renewal only, and only in counties that offer it. You cannot register a newly purchased vehicle online; you must submit the original title and proof of residency in person or by mail. Check your county treasurer's website to see whether online renewal is available in your county.
What if the title has a lien on it?
A lien means a lender has a claim on the vehicle until the loan is paid off. You can still register the vehicle; the county treasurer will note the lien on the registration. Once you pay off the loan, the lender will release the lien, and you can register the vehicle again without it. Bring proof of the lien release to the treasurer's office.
Do I need to pass an inspection before I register?
Montana does not require a vehicle inspection for registration. You do not need to pass an emissions test or safety inspection. However, your vehicle must be street-legal (working lights, brakes, and horn), and you must have liability insurance before you can legally drive it.
What if I lost my title?
Contact your county treasurer's office and ask for a duplicate title process. You will need to provide proof of ownership (such as a bill of sale or previous registration) and pay a small fee. The treasurer will issue a new title, which you can then use to register the vehicle.
How long does registration last?
Vehicle registration in Montana is valid for one year from the date it is issued. Your registration certificate shows the expiration date. You can renew starting 30 days before the expiration date. If you renew online or by mail, submit your paperwork at least two weeks before expiration to avoid driving with an expired registration.