North Dakota window tint law
In North Dakota, a passenger car's front side windows must let in at least 35% of light; rear side windows: any darkness with outside mirrors on both sides; rear window: any darkness with outside mirrors on both sides. Source: N.D. Century Code §39-21-39, checked November 2026.
| Front side windows | 35% At least 35% light transmittance. |
|---|---|
| Rear side windows | Any darkness Any darkness, if the car has outside mirrors on both sides (otherwise 35%). |
| Rear window | Any darkness Any darkness, if the car has outside mirrors on both sides (otherwise 35%). |
| Windshield | Any tint on the windshield must leave at least 70% light transmittance; non-reflective tint above the AS-1 line or within the top 5 inches is exempt. |
The North Dakota front-side limit on a car
Levels we picture that meet the front-side limit: 70% (light)50% (medium-light)35% (medium)
Source
“or the object, material, or tinting in conjunction with a window other than the windshield upon which it is displayed, affixed, or applied has a light transmittance of at least thirty-five percent.”
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.
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