Missouri window tint laws
In Missouri, front side windows must allow 35% of light through, back side windows no specified minimum, and the rear window no specified minimum. No sun-screening device allowed on the windshield (factory-tinted top band excepted)
| Window | Missouri rule |
|---|---|
| Windshield | No sun-screening device allowed on the windshield (factory-tinted top band excepted) |
| Front side windows | 35% VLT minimum |
| Back side windows | No limit specified |
| Rear window | No limit specified |
| Reflectivity | Front and back side windows must not be more than 35% reflective |
| Banned colors | None listed |
| Medical exemption | Yes |
| Statute | Mo. Rev. Stat. § 307.173 |
What installers in Missouri will tell you
Back side and rear windows have no statutory VLT minimum in Missouri (any darkness permitted) for sedans, SUVs, and vans alike. A medical permit is issued by the Department of Public Safety when a physician prescribes a sun-screening device.
Frequently asked questions
What is the darkest legal tint on front windows in Missouri?
Front side windows must let at least 35% of light through in Missouri. Film plus factory glass count together.
Can I use 5% tint in Missouri?
Missouri does not set a numeric limit for rear windows, so 5% is generally allowed behind the driver. Front side windows are still limited.
Does Missouri allow a medical exemption for darker tint?
Yes. Missouri allows darker tint with a qualifying medical condition; you typically need a physician's statement kept in the vehicle.
Can I tint the windshield in Missouri?
No sun-screening device allowed on the windshield (factory-tinted top band excepted)
Sources
Reference only, not legal advice. Statutes change; confirm with the Missouri statute above before you install.