Missouri Window Tint Laws
Complete guide to window tinting regulations in Missouri 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 | Any darkness allowed |
| Rear Window | Any darkness allowed |
Medical Exemption
Medical Exemptions Available
Missouri provides medical exemptions for window tinting when individuals have documented medical conditions requiring protection from sunlight or UV exposure, including photosensitivity and certain skin disorders.
📋Steps to Obtain Medical Exemption
- 1Obtain medical evaluation from licensed physician or dermatologist
- 2Physician must provide written certification of medical necessity
- 3Submit medical documentation to Missouri Department of Revenue
- 4Receive approved exemption certificate and affix to vehicle
- 5Keep original medical documentation in vehicle
📄DMV Forms & Documentation
Missouri DOR Medical Exemption Certificate with physician signature required
Other Tint Laws & Requirements
| Reflection Limits | No more than 35% reflective on any windows |
| Color Restrictions | Red and amber tints prohibited on front windshield and front side windows |
| Certification | Tint manufacturer must provide certificate of compliance to vehicle owner |
| Stickers | Certification sticker must be placed between tint and glass on driver's side window |
About Missouri
State Overview
Missouri experiences hot, humid summers with temperatures frequently exceeding 95°F, particularly in St. Louis and Kansas City metro areas. Window tinting provides valuable heat and UV protection throughout the state.
Important Notes
Missouri State Highway Patrol enforces window tint laws. Dual side mirrors required if rear window is tinted. Missouri allows any darkness on rear and back side windows but requires 35% VLT on front side windows.
Cities and Counties in Missouri
Legal References
The information on this page has been compiled from official state sources and regulations:
- Missouri Revised Statutes Section 307.173
- Missouri Department of Revenue
- Missouri State Highway 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.