UT

Utah Window Tint Laws (2026)

In Utah, front side windows must let in at least 35% of light; back side windows any darkness and the rear window any darkness. Windshield: above the AS-1 line or top 4 inches only; the windshield itself must let in 70%.

Reviewed September 14, 2026 against the sources listed below.

Sedans

WindshieldAbove the AS-1 line or top 4 inches only; the windshield itself must let in 70%
Front side windows35% vlt or lighter
Back side windowsAny darkness
Rear windowAny darkness

SUVs, trucks and vans

WindshieldAbove the AS-1 line or top 4 inches only; the windshield itself must let in 70%
Front side windows35% vlt or lighter
Back side windowsAny darkness
Rear windowAny darkness

Other rules

Reflectivity, front side
Not specified
Reflectivity, back side
Not specified
Banned colors
None named in the statute
Medical exemption
No
Certification sticker
Not required
Side mirrors if the rear is tinted
Both required
Penalty
Infraction.
Notes
5% variance when a peace officer meters the window. The front side limit moved from 43% to 35% on May 7, 2025. Metallic or mirrored film is banned. The statute has no medical exemption.

Window tint shops in Utah

Questions

What is the darkest legal tint in Utah?

35% on front side windows, Any on back side windows and Any on the rear window, for sedans.

Is 20% tint legal in Utah?

Only on back side windows and the rear window. Front side windows need 35% or lighter.

Is 35% tint legal in Utah?

Yes, 35% tint is legal on every window in Utah.

Does Utah allow a medical exemption for window tint?

No. Utah has no medical exemption for darker tint.

Sources