Washington Window Tint Laws
Complete guide to window tinting regulations in Washington 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 6 inches |
| Front Side Windows | 24% VLT minimum |
| Back Side Windows | 24% VLT minimum |
| Rear Window | 24% VLT minimum |
Medical Exemption
Medical Exemptions Available
Washington allows medical exemptions for window tinting when individuals have documented medical conditions requiring protection from sunlight or UV exposure, including photosensitivity disorders.
📋Steps to Obtain Medical Exemption
- 1Obtain medical evaluation from licensed physician or dermatologist
- 2Physician must complete medical exemption form
- 3Submit application to Washington Department of Licensing
- 4Receive approved exemption certificate from DOL
- 5Keep certificate in vehicle during operation
📄DMV Forms & Documentation
Washington DOL Medical Exemption Certificate with physician verification required
Other Tint Laws & Requirements
| Reflection Limits | No metallic or mirrored tint allowed on any vehicle windows |
| Color Restrictions | Red and amber tints are prohibited on windshield and front side windows |
| Certification | Tint manufacturer must certify compliance with Washington safety standards |
| Stickers | Certificate sticker must be placed between tint film and glass on driver's side |
About Washington
State Overview
Washington's climate ranges from mild coastal areas to hot, dry eastern regions where summer temperatures exceed 100°F. Window tinting provides benefits across the state for UV protection and heat management.
Important Notes
Washington State Patrol enforces window tint regulations. Dual side mirrors required if rear window is tinted. Washington allows 24% VLT on all windows, which is darker than many states.
Cities and Counties in Washington
Legal References
The information on this page has been compiled from official state sources and regulations:
- Washington Revised Code § 46.37.430
- Washington Department of Licensing
- Washington State Patrol 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.