Idaho Tint Laws: Everything You Need to Know

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By Tint Legality

If you’re a resident of Idaho or planning to move to the state, you may be wondering about the rules and regulations for window tinting.

Idaho tint laws were enacted in 1991, and they specify the maximum allowable levels of tint on various windows of your vehicle.

Here’s what you need to know about Idaho tint laws.

Regulations Regarding Window Tint in Idaho

The state of Idaho has several regulations regarding window tint that drivers must follow.

These regulations apply to all vehicles, including cars, trucks, and SUVs.

Window TypeLegal Tint Limit
WindshieldUp to 35%
Front Side WindowsAt least 35% of outside light must enter the vehicle
Back Side WindowsUp to 20%
Rear WindowUp to 20%


The windshield of your vehicle can have a tint of up to 35%.

However, the tint should not extend more than 6 inches below the top of the windshield, or below the AS-1 line, whichever is longer.

Front Side Windows

The front side windows, which are the windows in front of the driver and front passenger, must allow at least 35% of outside light to enter the vehicle.

This means that the tint on these windows should not be darker than 35%.

Back Side Windows

The back side windows, which are the windows behind the driver and front passenger, can have a tint of up to 20%.

Rear Window

The rear window of your vehicle can also have a tint of up to 35%.


Additional Regulations


Idaho law also prohibits the use of reflective or mirrored tinting materials on any window of your vehicle.

Medical Exemptions

Drivers who require special medical treatment that requires them to avoid exposure to sunlight may be eligible for a medical exemption.

However, you must apply for the exemption and receive approval from the Idaho Transportation Department.

Color Restrictions

Idaho tint laws also specify that the tint color on your vehicle must be non-reflective and cannot be red, blue, or yellow.

Side Mirrors

If your vehicle’s tint is darker than the legal limit, you must have two side mirrors that provide a view behind the vehicle.

Exceptions to Legal Limits

Certain types of vehicles, such as limousines, may be exempt from the legal limits on window tint. However, these vehicles must have a special permit from the Idaho Transportation Department.

Penalties for Breaking the Law


If you’re caught violating Idaho tint laws, you may face fines ranging from $67 to $90 for each offense.

First Conviction

For a first conviction, you may be required to remove the illegal tint from your vehicle and pay a fine.

Second Conviction

For a second conviction, you may face a higher fine and have your vehicle impounded.

Third Conviction

For a third conviction, you may face a substantial fine, have your vehicle impounded, and lose your driver’s license.

Other Penalties

If your vehicle’s tint violates Idaho law, it may not pass the state’s vehicle inspection requirements. This could result in additional fees and penalties.

Penalties for Non-Compliance

If you fail to comply with the legal limits on window tint, you may not be able to renew your vehicle registration until the tint is removed or replaced.

By complying with these laws, you can ensure that your vehicle is safe and legal to operate, and you can avoid costly fines and penalties. If you’re considering tinting your vehicle’s windows, be sure to choose a reputable tinting service that is familiar with Idaho tint laws.

How much tint is legal in Idaho?

Up to 35% on front windshield; up to 20% on back and rear windows in Idaho.

Can you get pulled over for window tint in Idaho?

Yes, drivers can be pulled over and fined for violating Idaho tint laws.

What is the darkest legal tint?

The darkest legal tint varies by state; 20% is the darkest in Idaho.

Who has the strictest tint laws?

States with the strictest tint laws include Alaska, Arkansas, and Indiana.