Kansas & Missouri Window Tint Laws: The 2026 Guide

No. Kansas requires at least 35% VLT on every window — front sides, rear sides, and the back glass. 20% is below the limit anywhere on a Kansas-registered vehicle.

On the rear side windows and back glass, yes — Missouri allows any darkness behind the driver. On the front side windows, no — those must allow at least 35% of light through (±3%).

No, in both states. Only a non-reflective strip above the manufacturer's AS-1 line (usually 5–6 inches down from the top) is allowed. If there's no visible AS-1 line, the top 5 inches is the safe standard. A clear or near-clear ceramic film like 70% KAVACA Ceramic IR on the strip blocks heat without visibly darkening anything.

No. Kansas does not issue permits for tint darker than 35% VLT. The only medical carve-out in the statute is for clear, colorless UV-protective film with a physician's or optometrist's statement — it does not allow darker shades.

Yes. With a physician's prescription issued within the past year, the Missouri State Highway Patrol can issue an SHP-524 permit allowing darker front-window tint.

In Missouri, yes — rear glass has no darkness limit. In Kansas, be careful: the 35% rule applies to the combined reading of glass plus film, and factory privacy glass alone often meters at 15–25%. We'll meter your glass before quoting so you know exactly where you stand.

It happens regularly in the KC metro, and courts have upheld tint violations as valid grounds for a stop in Kansas. Front windows get the most enforcement attention in both states. A tint ticket can mean a fine, a removal order, and in Missouri a failed vehicle inspection.

35% VLT or lighter on every window keeps you legal on both sides of the state line. With KAVACA Ceramic IR or Ultimate IR, you give up nothing in heat rejection to stay compliant.

With a handheld VLT meter placed on the glass during a stop or inspection. It reads the combined transmission of glass and film — which is why film percentage alone doesn't tell the whole story.

The vehicle's state of registration. A Missouri-plated car with legal-in-MO dark rear glass doesn't become illegal by crossing into Kansas — but a Kansas-plated vehicle must meet Kansas rules everywhere.

No. Every window behind the driver must let in at least 35% of light, on SUVs and trucks too. 5% limo tint is illegal on any window of a Kansas-registered vehicle.

Kansas applies the same state rules to commercial vehicles: at least 35% on all windows, nothing below the AS-1 line on the windshield, and no reflective, red, yellow or amber film. Commercial motor vehicles covered by federal rules (49 CFR 393.60) must also keep the windshield and front side windows at 70% or lighter, according to the Kansas Highway Patrol.

It is a misdemeanor under K.S.A. 8-1749a, and illegal tint alone is a valid reason for a traffic stop.