California Window Tint Laws
Complete guide to window tinting regulations in California 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 on top 4 inches or above AS-1 line |
| Front Side Windows | 70% VLT minimum (must allow more than 70% light transmission) |
| Back Side Windows | Any darkness allowed |
| Rear Window | Any darkness allowed |
Medical Exemption
Medical Exemptions Available
California provides medical exemptions for drivers or passengers with medical conditions requiring protection from sunlight. The exemption allows darker tint on front side windows.
📋Steps to Obtain Medical Exemption
- 1Consult with licensed dermatologist or physician about qualifying medical condition
- 2Signed physician statement stating that window tint is a medical necessity.
- 3Keep signed exemption certificate in vehicle at all times
- 4Present certificate to law enforcement when requested
📄DMV Forms & Documentation
California Vehicle Code Section 26708.5 Medical Exemption Certificate required
Other Tint Laws & Requirements
| Reflection Limits | Front side windows must not be more reflective than standard glass |
| Color Restrictions | Red, amber, and blue tint colors are prohibited |
| Certification | Tint film manufacturers must certify film meets California standards |
| Stickers | Certificate of compliance must be placed between film and glass on driver's side |
About California
State Overview
California's diverse climate ranges from coastal mild temperatures to extreme desert heat exceeding 120°F. With over 39 million residents, California has some of the strictest window tint regulations in the nation.
Important Notes
California requires dual side mirrors if rear window is tinted. CHP and local police actively enforce tint laws. Front side window violations are fix-it tickets that require correction and proof of compliance.
Cities and Counties in California
Legal References
The information on this page has been compiled from official state sources and regulations:
- California Vehicle Code Section 26708
- California Highway Patrol Tint Enforcement Guidelines
- California Department of Motor Vehicles
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.