Montana Window Tint Law

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The window tint law in Montana allows for 24% visible light transmission for the front-seat side windows. No tinting is allowed on the windshield below the manufacturer’s AS-1 line.
Window tinting decreases glare and heat from bright sunlight while adding privacy for you and your passengers. It can also add to your car’s aesthetic. It’s important, though, to know your state’s guidelines—windows that are too dark can be a hazard.
Fortunately, the car insurance comparison and broker app Jerry has distilled all that you need to know about the window tint laws so you can stay cool and compliant in Montana.

What is the visible light transmission percentage?

Visible light transmission, or VLT, is the amount of light that passes—or transmits—through a window and/or a window tint film.
The greater the VLT percentage, the more light can transmit through the window. In Montana, the legal VLT is 24%, but in North Dakota, the VLT must be 50%. So, the window tinting can be much darker in Montana than in its neighboring state.
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What is the Montana window tint law?

The Montana window tint laws for sedans are:
  • Front-seat side windows: 24% VLT 
  • Back seat side windows: 14% VLT
  • Rear window: 14% VLT
  • Front windshield: Non-reflective tint allowed above manufacturer’s AS-1 line
The Montana window tint laws for SUVs and vans are:
  • Front-seat side windows: 24% VLT 
  • Back seat side windows: ANY
  • Rear window: ANY
  • Front windshield: Non-reflective tint allowed above manufacturer’s AS-1 line

Additional laws and guidelines

There are several other important guidelines to know so you’re compliant with Montana window tint laws, including:
  • Tint reflection must not be greater than 35% for front side and rear side windows on sedans, SUVs, and vans 
  • Window tint colors may not be red, yellow, or amber
  • Manufacturers do not need to certify the tint film they sell in the state
  • Montana law doesn’t require but does recommend stickers to indicate legal tinting on a vehicle.

Vehicle exemptions

In addition, these laws don’t apply to manufacturer-installed windows on certain vehicles such as ambulances, hearses, or government transport. All exempt vehicles must affix a current, valid certificate of waiver. 

Penalties window tint law violations

If your vehicle does not comply with Montana window tint statutes, you may be fined up to $500 or you may receive a sentence of up to six months in county jail.

Finding auto insurance

Now that you understand the tint laws in Montana, it’s a good idea to take a few minutes to be sure you have the right car insurance.
Jerry can quickly find quotes from 50+ name-brand insurance companies. When you find the coverage you need, Jerry will do all the paperwork and even help you cancel your old policy!
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FAQs

Window tinting generally costs $150-$500. The cost varies depending on the vehicle being serviced and the auto body shop where the work is done.

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