The Tint On Your Windows
Mo. Rev. Stat. § 307.173 — thirty-five percent on the front side windows, and nothing on the windshield below the factory band
In Missouri, the front side windows to the immediate left and right of the driver may have a sun-screening device with a light transmission of thirty-five percent or more, plus or minus three percent, and a luminous reflectance of thirty-five percent or less, plus or minus three percent.
| The glass | What the statute allows |
|---|---|
| The glassFront side windows | What the statute allowsLight transmission of thirty-five percent or more and luminous reflectance of thirty-five percent or less, each plus or minus three percent |
| The glassWindshield | What the statute allowsAll sun-screening devices prohibited, except tint on the upper portion normally tinted by the glass manufacturer |
| The glassFactory tinted glass | What the statute allowsNot prohibited, nor its equivalent replacement |
A permit for a serious medical condition. The department of public safety may issue a permit for darker front side windows to a person with a serious medical condition whose physician prescribes it. The permit covers any titleholder or close relative in the household.
A class C misdemeanor. Violating the section is a class C misdemeanor. Vehicles with historical license plates are exempt.
Recreational vehicles and the department's permit rules are not all on this page. Whether a particular film passes, and how a reading was taken, are questions for a licensed Missouri attorney.
Sources for this section (1)
- Mo. Rev. Stat. § 307.173 — Specifications for sun-screening device applied to windshield or windows — permit required, when
Legal information, not legal advice. Verified as of October 2026. Applying it to a particular situation is the work of a licensed Missouri attorney.