North Dakota 2026 Window Tint Laws

North Dakota Tint Laws
Front Windshield 70%
Front Side Windows 35%
Back Side Windows No restrictions
Rear Windshield No restrictions

North Dakota updated tint laws in 2025, allowing 35% VLT on front side windows (previously: 50%). Many other websites still display outdated information!

VLT = Visible Light Transmission percent
5% (limo) 85% (factory) 35% 70%

Quick summary: North Dakota tint laws allow 70% VLT on front windshield, and 35% VLT on front side windows. All windows behind driver can have any darkness.

North Dakota tint laws primarily regulate the darkness, but also specify other rules and regulations you need to know about such as reflectiveness or color restrictions. All laws are explained further below.

Window Tint Darkness in North Dakota

Window tint darkness is measured in VLT (Visible Light Transmission) percent. VLT indicates how much light passes through both the film and the glass.

Drag the blue slider above to preview tint darkness. In most real world cases, applied tint will appear 10-20% darker compared to our tool.

See: VLT explained with chart and darkness examples

How dark can your window tint be in North Dakota?

Here's exactly how much VLT is allowed on your auto window tint in North Dakota (ND), categorized by passenger and multi-purpose vehicles.

Tint darkness for passenger vehicles:

  • Windshield: Must allow more than 70% of light in. Any darkness on top 5" (AS-1 line).
  • Front side windows: Must allow more than 35% of light in.
  • Back side windows: Any darkness can be used.
  • Rear window: Any darkness can be used.

Passenger vehicles include: sedan, coupe, convertible, station wagon, hardtop and hatchback vehicles.

Tint darkness for multi-purpose vehicles (MPV):

  • Windshield: Must allow more than 70% of light in. Any darkness on top 5" (AS-1 line).
  • Front side windows: Must allow more than 35% of light in.
  • Back side windows: Any darkness can be used.
  • Rear window: Any darkness can be used.

Multi-purpose vehicles include: SUV, pickup, van, truck, RV, and minibus.

What is AS-1 line?

AS-1 line typically extends between 4 and 6 inches parallel to the top of your windshield. AS-1 designation line is typically marked by glass manufacturer on the top edge of your windshield.

Tinted AS-1 line on windshield

Depending on vehicle, your AS-1 strip may already be tinted. In most states windshield tint must not have any reflectiveness, and illegal colors typically include blue and red.

Some state tint laws specify exact number of inches you are allowed to tint on front windshields. Other states define this windscreen area simply as an AS-1 line. Learn more about AS-1 Line.

Vehicle Classification: Passenger or MPV?

Federal vehicle ID label found on driver's front door frame will tell you whether your vehicle is classified as passenger or multi purpose vehicle.

  • Passenger vehicles include: sedan, coupe, convertible, station wagon, hardtop and hatchback vehicles.
  • Multi-purpose vehicles include: SUV, pickup, van, truck, RV, trailer, bus and minibus.

In most states vehicles fall under these two categories.

Other North Dakota Tinting Rules & Regulations:

Other laws, rules and regulations in North Dakota include the following:

Tint Reflectiveness
Reflective tint not allowed on windshield's AS-1 line, no mention for other windows.
Side Mirrors
Dual side mirrors are required in ND if any window behind driver is tinted.
Restricted Colors
No specific tint colors are restricted or prohibited.
Film Certification & Approval
Film manufacturers don't need to certify the film they sell in this state.
Stickers & Labels
Sticker to identify legal tinting is not required.
Medical Exemption
North Dakota North Dakota does not allow medical exemptions or waivers for darker window tint.

Quick FAQs

What are illegal tint penalties and fines in North Dakota?

According to ND State Patrol’s Classification of Offenses document (linked in resources), the penalty for illegal window tint is classified as a moving offense with a $25 fine.

When were the tint laws last updated?

The last meaningful legislative change to North Dakota tint laws was made in 2025.

Our website is updated continuously. The latest major change is detailed below:

  • November 3, 2026: Added data on penalties and fines.
  • March 24, 2025: House Bill 1340 signed into law, now allowing 35% VLT on front side windows.

Our tint laws strictly reference official sources. You are welcome to verify data in official state laws linked below, or get in touch with your local DMV or police department to make sure you are not breaking North Dakota window tinting laws, rules and regulations.