Washington window tint law
In Washington, a passenger car's front side windows must let in at least 24% of light; rear side windows: at least 24% of light in; rear window: at least 24% of light in. Source: RCW 46.37.430, checked November 2026.
| Front side windows | 24% At least 24% light transmission; reflectance 35% or less; one sheet of film only. |
|---|---|
| Rear side windows | 24% At least 24% light transmission; reflectance 35% or less. |
| Rear window | 24% At least 24% light transmission; reflectance 35% or less. |
| Windshield | Tint only along the top edge, not into the AS-1 area or more than 6 inches down; clear UV film allowed. |
| SUVs, vans, trucks | Trucks, motor homes and multipurpose passenger vehicles may go below 24% on windows behind the driver (reflectance 35% or less, dual mirrors). |
| Medical exemption | Yes: darker tint on all windows and the top 6 inches of the windshield with a physician's written verification. |
The Washington front-side limit on a car
Levels we picture that meet the front-side limit: 70% (light)50% (medium-light)35% (medium)
Source
“The maximum level of net film sunscreening to be applied to any window, except the windshield, shall have a total reflectance of thirty-five percent or less, and a light transmission of twenty-four percent or more”
Checked November 2026. A summary of the passenger-car rules, not legal advice: laws change, so check the source or ask a local tint shop before you buy.
Other states
AlabamaAlaskaArizonaCaliforniaColoradoConnecticutDelawareDistrict of ColumbiaFloridaHawaiiIdahoIllinoisIndianaIowaKansasKentuckyLouisianaMaineMarylandMassachusettsMichiganMinnesotaMississippiMissouriMontanaNebraskaNevadaNew HampshireNew MexicoNew YorkNorth CarolinaNorth DakotaOhioOklahomaPennsylvaniaSouth CarolinaSouth DakotaTexasUtahVermontVirginiaWest VirginiaWisconsinWyoming All states in one table