Maine window tint law
In Maine, 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: Maine Revised Statutes Title 29-A §1916, checked November 2026.
| Front side windows | 35% At least 35% light transmittance, net of glass and film; no reflective material. |
|---|---|
| Rear side windows | Any darkness Any darkness if the car has 2 outside mirrors; otherwise 35%. |
| Rear window | Any darkness Any darkness if the car has 2 outside mirrors; otherwise 35%. |
| Windshield | Tint only above the AS-1 line, or a 5-inch strip at the top if there is no AS-1 line. |
| SUVs, vans, trucks | No separate rule; the mirror exception covers rear windows of all vehicles. |
| Medical exemption | Certificate of exemption from the Chief of the State Police. |
The Maine front-side limit on a car
Levels we picture that meet the front-side limit: 70% (light)50% (medium-light)35% (medium)
Source
Maine Revised Statutes Title 29-A §1916
“A side window or rear window is composed of, covered by or treated with a material that allows a light transmittance of less than 35% net of glass and material”
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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