Idaho Window Tint Laws
Complete guide to window tinting regulations in Idaho for 2026
Tint Darkness Requirements
Understanding VLT Percentages
The percentages below indicate the minimum Visible Light Transmission (VLT) allowed. Lower percentages mean darker tints. For example, 35% VLT means at least 35% of light must pass through.
| Windshield | Non-reflective tint allowed above manufacturer's AS-1 line |
| Front Side Windows | 35% VLT minimum |
| Back Side Windows | 20% VLT minimum |
| Rear Window | 35% VLT minimum |
Medical Exemption
Medical Exemptions Available
Idaho allows medical exemptions for window tinting for individuals with documented medical conditions that require protection from sunlight or UV exposure, including photosensitivity and certain dermatological conditions.
📋Steps to Obtain Medical Exemption
- 1Consult with licensed physician about qualifying medical condition
- 2Obtain written medical certification on physician's official letterhead
- 3Certification must specify medical necessity and recommended tint level
- 4Keep medical certification in vehicle at all times when operating
📄DMV Forms & Documentation
Physician certification letter required; no specific state form mandated
Other Tint Laws & Requirements
| Reflection Limits | No metallic or mirrored tinting allowed on any windows |
| Color Restrictions | Red, yellow, and amber tints are prohibited on front windshield and front side windows |
| Certification | Tint manufacturer must provide certification of compliance |
| Stickers | Certification sticker must be displayed between tint and glass on driver's side |
About Idaho
State Overview
Idaho features diverse climates from hot, dry deserts in the south to cooler mountain regions in the north. Summer temperatures can exceed 100°F in areas like Boise, making window tinting valuable for heat management and UV protection.
Important Notes
Idaho State Police enforce window tint laws. Dual side mirrors required if rear window is tinted. SUVs and vans may have more lenient rear window requirements than passenger vehicles.
Cities and Counties in Idaho
Legal References
The information on this page has been compiled from official state sources and regulations:
- Idaho Code Section 49-944
- Idaho Transportation Department
- Idaho State Police Traffic Safety Division
Disclaimer
Laws and regulations are subject to change. Always verify current requirements with official state sources before making any decisions regarding window tinting. This information is provided for educational purposes only.