Massachusetts Window Tint Law 2025
Complete guide to window tint regulations in Massachusetts. Data verified July 2025. Information current as of April 29, 2026.
Window Tint Laws in Massachusetts
Understanding Massachusetts's window tint regulations is crucial for vehicle owners. This comprehensive guide covers all aspects of window tint laws in Massachusetts, including legal limits, enforcement policies, and potential penalties.
All window tint measurements are based on Visible Light Transmission (VLT) percentages, which indicate how much light passes through the tinted window. Lower percentages mean darker tint.
Visible Light Transmission (VLT) Requirements
Legal tint percentages for each window position in Massachusetts
| Window Position | VLT Requirement |
|---|---|
| Front Windshield | Top 6 inches may be tinted |
| Front Side Windows | 35% VLT minimum |
| Back Side Windows | 35% VLT minimum |
| Rear Window | 35% VLT minimum |
| Windshield Visor | 6 inches from top |
Additional Restrictions
Reflectivity
No more than 35% reflective
Color Restrictions
Red, amber, and blue prohibited
Medical Exemptions
Medical exemptions available with physician certification and RMV approval
If you have a medical condition that requires darker window tint, consult with your healthcare provider and local authorities about the application process.
Penalties and Enforcement
Penalties
Fine $100 first offense, $200+ subsequent
Enforcement
Secondary enforcement
Official Sources
Legal Reference
Massachusetts General Laws Chapter 90, Section 9D
Related Information
Related Window Tint Information
Federal Regulations
Learn about federal window tint standards and how they interact with state laws.
Learn More