New Mexico window tint law
In New Mexico, a passenger car's front side windows must let in at least 20% of light; rear side windows: at least 20% of light in; rear window: at least 20% of light in. Source: New Mexico Statutes Annotated §66-3-846.1 (NMOneSource, official NMSA chapter 66 PDF), checked November 2026.
| Front side windows | 20% At least 20% light transmission; non-reflective. |
|---|---|
| Rear side windows | 20% At least 20% light transmission; non-reflective. |
| Rear window | 20% At least 20% light transmission; non-reflective. |
| Windshield | Non-reflective, non-red/yellow/amber, only above the AS-1 line or the top 5 inches, whichever is closer to the top. |
| SUVs, vans, trucks | The transmission limit does not apply to windows behind the driver on multipurpose passenger vehicles, buses, RVs and motor homes. |
| Medical exemption | Allowed with an affidavit from a NM-licensed physician or optometrist kept in the car. |
The New Mexico front-side limit on a car
Levels we picture that meet the front-side limit: 70% (light)50% (medium-light)35% (medium)20% (dark)
Source
New Mexico Statutes Annotated §66-3-846.1 (NMOneSource, official NMSA chapter 66 PDF)
“the side windows behind the driver and the rearmost window shall be nonreflective, shall have a light transmission of not less than twenty 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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