WA
Washington Window Tint Laws (2026)
In Washington, front side windows must let in at least 24% of light; back side windows 24% VLT or lighter and the rear window 24% VLT or lighter. Windshield: above the AS-1 line or top 6 inches only, transparent; clear UV film allowed.
Reviewed September 14, 2026 against the sources listed below.
Sedans
| Windshield | Above the AS-1 line or top 6 inches only, transparent; clear UV film allowed |
|---|---|
| Front side windows | 24% vlt or lighter |
| Back side windows | 24% vlt or lighter |
| Rear window | 24% vlt or lighter |
SUVs, trucks and vans
| Windshield | Above the AS-1 line or top 6 inches only, transparent; clear UV film allowed |
|---|---|
| Front side windows | 24% vlt or lighter |
| Back side windows | Any darkness |
| Rear window | Any darkness |
Other rules
- Reflectivity, front side
- 35% max
- Reflectivity, back side
- 35% max
- Banned colors
- Red, Gold, Yellow, and Black
- Medical exemption
- Yes. Written verification from a licensed physician allows darker film on all windows and the top 6 inches of the windshield.
- Certification sticker
- Required
- Side mirrors if the rear is tinted
- Both required
- Penalty
- Traffic infraction; fine set by the court.
- Notes
- Mirror-finish and spray-on films are banned; only one layer of film per window. Trucks, motor homes and multipurpose vehicles may go darker behind the driver.
Window tint shops in Washington
Questions
What is the darkest legal tint in Washington?
24% on front side windows, 24% on back side windows and 24% on the rear window, for sedans.
Is 20% tint legal in Washington?
No. Washington does not allow 20% tint on any window. Front side windows need 24% or lighter.
Is 35% tint legal in Washington?
Yes, 35% tint is legal on every window in Washington.
Does Washington allow a medical exemption for window tint?
Yes. Written verification from a licensed physician allows darker film on all windows and the top 6 inches of the windshield.