Montana Window Tinting Laws
Car window tinting laws in Montana were enacted in 1991, amended in 2007.
We have provided all the necessary information about your car’s window tint, including how dark or reflective the tint is allowed in your state.
There are also additional car window tinting rules and regulations in Montana so make sure you read all about it below.
Window tint darkness in Montana
The percent of visible light allowed through your car windows is called VLT: Visible Light Transmission.
The percentage of light allowed through your film and glass in Montana is very specific and different for sedan cars and SUV cars or vans.
Tint darkness for sedans:
- Windshield: Non-reflective tint is allowed above the manufacturer’s AS-1 line.
- Front Side windows: Must allow more than 24% of light in.
- Back Side windows: Must allow more than 14% of light in.
- Rear Window: Must allow more than 14% of light in.
Tint darkness for SUV and vans:
- Windshield: Non-reflective tint is allowed above the manufacturer’s AS-1 line.
- Front Side windows: Must allow more than 24% of light in.
- Back Side windows: Any darkness can be used.
- Rear Window: Any darkness can be used.
Window tint reflection in Montana
Window tint can reflect incoming light and reduce glare and heat.
Montana window tint law permits a certain window reflection when using a tint so make sure you pay attention to this as well.
Tint reflection for sedans:
- Front Side windows: Must not be more than 35% reflective.
- Back Side windows: Must not be more than 35% reflective.
Tint reflection for SUV and vans:
- Front Side windows: Must not be more than 35% reflective.
- Back Side windows: Must not be more than 35% reflective.
Other Montana window tint rules and regulations:
Montana does have several other important laws, rules and regulations pertaining to window tinting. They include the following:
- Side Mirrors: No restrictions on side mirrors in Montana.
- Restricted Colors: Red, yellow and amber are not allowed.
- Certificates: Manufacturers of film do NOT need to certify the film they sell in the state.
- Stickers: State law recommends but does not require stickers to identify legal tinting.
- Medical Exceptions: Montana allows medical exemptions for special tint. For more details about the specific terms of the exemption, consult your state law.
- Penalties: Misdemeanor with up to $500 fine and/or up to 6 months in county jail (Montana law 46-18-212).
Keep in mind that Montana tinting laws and regulations may be interpreted differently in your county or place of residence.
We always recommend double-checking our information with your local DMV or law enforcement authorities.
Our information about window tint laws in Montana was last updated in 2023.
Tinting laws in Montana were enacted in 1991, amended in 2007.
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!
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State of Montana Info
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.
Capital: Helena
Population: 1,005,141
Area: 147,042 sq mi (381,154 km2)
Cities 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
Counties 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
Tint law references:
Montana Code section 61-9-405: Window tinting and sunscreening
Medical exemption info:
Montana Code section 61-9-428 – Window tinting and sunscreening — waiver — conditions