ID
Idaho Window Tint Laws (2026)
In Idaho, front side windows must let in at least 35% of light; back side windows 20% VLT or lighter and the rear window 35% VLT or lighter. Windshield: above the AS-1 line or top 6 inches only, non-reflective.
Reviewed September 14, 2026 against the sources listed below.
Sedans
| Windshield | Above the AS-1 line or top 6 inches only, non-reflective |
|---|---|
| Front side windows | 35% vlt or lighter |
| Back side windows | 20% vlt or lighter |
| Rear window | 35% vlt or lighter |
SUVs, trucks and vans
| Windshield | Above the AS-1 line or top 6 inches only, non-reflective |
|---|---|
| Front side windows | 35% vlt or lighter |
| Back side windows | 20% vlt or lighter |
| Rear window | 35% vlt or lighter |
Other rules
- Reflectivity, front side
- 35% max
- Reflectivity, back side
- 35% max
- Banned colors
- None named in the statute
- Medical exemption
- Yes. Written verification from a licensed physician, carried in the vehicle, allows 70% on the windshield and 20% on the other windows.
- Certification sticker
- Not required
- Side mirrors if the rear is tinted
- No extra requirement
- Penalty
- Infraction.
- Notes
- 3% tolerance on every figure.
Window tint shops in Idaho
Questions
What is the darkest legal tint in Idaho?
35% on front side windows, 20% on back side windows and 35% on the rear window, for sedans.
Is 20% tint legal in Idaho?
Only on back side windows. Front side windows need 35% or lighter.
Is 35% tint legal in Idaho?
Yes, 35% tint is legal on every window in Idaho.
Does Idaho allow a medical exemption for window tint?
Yes. Written verification from a licensed physician, carried in the vehicle, allows 70% on the windshield and 20% on the other windows.