State tint law
Idaho window tint law
Laws change and enforcement varies by area. Confirm with the Idaho DMV before you install.
How dark can window tint be in Idaho?
Darkness is measured as visible light transmission (VLT): the percentage of light that gets through. A lower number means darker tint.
| Window | Cars | SUVs and vans |
|---|---|---|
| Windshield | Non-reflective tint is allowed above the manufacturer's AS-1 line. | |
| Front side windows | Must let in more than 35% of light. | |
| Back side windows | Must let in more than 20% of light. | Must let in at least 20% of light (plus or minus 3%). |
| Rear window | Must let in more than 35% of light. | Must let in at least 35% of light (plus or minus 3%). |
Picked a legal shade? You can tint it yourself with a precut car tint kit from SnapTint, our DIY kit partner.
How reflective can tint be?
- Front side windows
- Must not be more than 35% reflective.
- Back side windows
- Must not be more than 35% reflective.
Other Idaho tint rules
- Restricted colors
- No tint colors are banned.
- Side mirrors
- Dual side mirrors are required if the back window is tinted.
- Film certification
- Film manufacturers don't need to certify the film they sell in the state.
- Sticker
- No sticker identifying legal tint is required.
- Medical exemption
- Carry a written verification from a licensed physician that the driver or a passenger must be protected from sun or heat for medical reasons linked to past or current treatment. It allows 70% on the windshield and 20% on the windows, each plus or minus 3% (49-944(4)).
Enforcement and penalties in Idaho
- Enforcement
- Police can stop you for tint alone. Selling or offering to sell a vehicle with illegal tint is also prohibited.
- Penalties
- An infraction (49-944(6)); the fine comes from the court's infraction schedule.
Films of 35% VLT or lighter: legal on every window of a car in Idaho. Darker films for the rear windows are in the full collection. All car window film.
Where to find the Idaho tint law
These are the laws, rules and other sources we found for Idaho. We list all of them rather than picking one, so you can read them yourself and decide. Laws change, so check the current text before you install.
Sources disagree: Some tint charts say SUVs and vans can have any darkness behind the driver in Idaho. The statute (Idaho Code 49-944) has no exception for them.
- Statute Idaho Code § 49-944 (opens in a new tab) Idaho Legislature
- Statute Idaho Code § 49-944 (opens in a new tab) FindLaw
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