
MONTANA TINT LAW 2023 (MT)
Montana Tint Law – Legal Tint Limit For Passenger Vehicles
- Front Windshield: Non-reflective tint is allowed above the manufacturer’s AS-1 line.
- Front seat side windows: up to 24% tint darkness allowed
- Back seat side windows: up to 14% tint darkness allowed
- Rear window: up to 14% tint darkness allowed
On this page we have done our best to collect all of the legal information necessary about the 2023 Montana tint law, including how dark the tint is allowed to be and how reflective the tint is allowed to be in Montana. Aside from the basics, like tint percentages, there are also additional car window tinting rules and regulations in Montana that we have made available.
Montana window tint law was first put into place in 1991 with Montana being the 13th of the 50 states to enact these tinting laws.
What does VLT Mean according to Montana State Law
The percentage of light that a window tint film allows to pass through your car windows is called the VLT (Visible Light Transmission), and each state has different legal allowable limits. The amount of light allowed to pass through your film and glass in Montana is very specific to the state and is different for Passenger Vehicles and Multi-Purpose Vehicles.
A HIGHER VLT means that more light is allowed to pass through the window tint film.
Example: a 75% tint will allow 75% of the light to pass through whereas a 5% tint will only allow 5% of the light to pass through, making the 5% tint a much darker film.
HOW MUCH DOES CAR WINDOW TINTING COST? The cost of tinting your car windows can be very affordable. If you want to learn how much it costs to tint your car, click here.

Montana Tint Law – Legal Tint Limit For Multi-Purpose Vehicles
- Front Windshield: Non-reflective tint is allowed above the manufacturer’s AS-1 line.
- Front seat side windows: up to 24% tint darkness allowed
- Back seat side windows: Any tint darkness can be used
- Rear window: Any tint darkness can be used

Want to D-I-Y?
How to tint car windows. To D-I-Y, check out how to tint car windows yourself here.
We have created an article discussing everything you need to know about VLT and Window Tint Percentages for your reference. If you want to learn the difference between the tint levels and preview the tint percentages we recommend you check it out.
Other Montana Window Tint law Rules And Regulations:
Montana has a few other important things that you will need to consider regarding window tinting and we recommend that you check them out before deciding whether or not you tint your windows:
- Do I have to have side mirrors in Montana? Dual side mirrors are required in Montana only if back window is tinted.
- Is colored tint illegal in Montana? All tint colors except Red, Amber and Yellow are allowed in Montana.
- What are the Window Tint Certification Rules in Montana? Manufacturers of film do NOT need to certify the film they sell in Montana.
- Do I need a certified sticker from the company installing my window tint in Montana? State law recommends but does not require stickers to identify legal tinting.
- Are there Medical Exemptions in Montana for Window Tint? Montana allows medical exemptions for special tint. For more details about the specific terms of the exemption, consult your state law.
Always remember that Montana tint laws can change on a daily basis and these rules and regulations may be interpreted differently on a city to city or county to county basis. We recommend double-checking the information contained on this website with your local DMV or local law enforcement agencies for accuracy. This information relating to window tint laws in Montana was last updated on January 5th, 2023. Tinting laws in Montana were enacted in 1991. In case any of our info provided is not up to date or correct be sure to contact us so we can fix it. Thanks!
Montana Window Tint Medical Exemption References
A signed affidavit stating reasons for medical exemption can be provided by a licensed physician, licensed physician assistant, or advanced practice registered nurse.
Highway Patrol or local law enforcement agencies may grant a waiver based on the affidavit. The waiver will contain a clear identification of the vehicle, date issued, name and owner of the vehicle, reason for granting the waiver, date when it becomes effective, and signature of law enforcement officer granting the waiver.
No forms are provided online. Once you obtained your doctor’s statement, bring it to your nearest Highway Patrol or other law enforcement office for more information.
For more information regarding window tint medical exemptions in _____ you can check out this resource:
Want a complete guide for medical exemptions for tinted windows in all 50 states?
Click this button to be taken to a PDF file that will help you to understand the medical exemptions in all 50 states
State of Montana Information
Montana is a state in the Western United States. Montana is ranked 4th in size, but 44th in population and the 48th in population density of the 50 United States. The economy is primarily based on agriculture, including ranching and cereal grain farming. Other significant economic activities include oil, gas, coal and hard rock mining, lumber, and the fastest-growing sector, tourism. The health care, service and government sectors also are significant to the state’s economy. Millions of tourists annually visit Glacier National Park, the Little Bighorn Battlefield National Monument, and Yellowstone National Park.

What is the Capital of Montana
The capital of Montana is Helena
What is the population of Montana
The population of Montana is 1,062,305 according to Wikipedia as of 2018.
What is the area of Montana
The area of Montana is 147,040 square miles and ranks as the 4th largest state in the United States!
Montana Wikipedia Page
Check out Montana’s Wikipedia page to learn all kinds of cool facts about the state!
Official Montana state Website
If you want to learn more about the laws in Montana check out their official Website Here
What are the main cities located in Montana?
Missoula, Bozeman, Billings, Helena, Great Falls, Kalispell, Butte, Whitefish, Outlook, Anaconda, Red Lodge, West Yellowstone, Livingston, Miles City, Libby, Hamilton, Sidney, Roundup, Polson, Dillon, Lewistown, Glendive, Hot Springs, Columbia Falls, Belgrade, Three Forks, Froid, Havre, Virginia City, Deer Lodge, Cut Bank, Ennis, Philipsburg, Stevensville, Choteau, Glasgow, Big Timber, Shelby, Wolf Point, Eureka, Fort Benton, Browning, Plentywood, Lolo Hot Springs, Thompson Falls, White Sulphur Springs, Sweetgrass, West Glacier, Laurel, Hardin
What are the main counties located in Montana?
Beaverhead, Big Horn, Blaine, Broadwater, Carbon, Carter, Cascade, Chouteau, Custer, Daniels, Dawson, Deer Lodge, Fallon, Fergus, Flathead, Gallatin, Garfield, Glacier, Golden Valley, Granite, Hill, Jefferson, Judith Basin, Lake, Lewis and Clark, Liberty, Lincoln, McCone, Madison, Meagher, Mineral, Missoula, Musselshell, Park, Petroleum, Phillips, Pondera, Powder River, Powell, Prairie, Ravalli, Richland, Roosevelt, Rosebud, Sanders, Sheridan, Silver Bow, Stillwater, Sweet Grass, Teton, Toole, Treasure, Valley, Wheatland, Wibaux, Yellowstone