New Hampshire window tint laws
One of the strictest front-side rules in the country — only 0 of 51 jurisdictions require more light.
The legal limits
New Hampshire note: Front side: passenger cars no aftermarket tint below 70%.
Will your film pass in New Hampshire?
A trooper's meter reads the film and the glass. Factory glass runs about 78% VLT, so net VLT = film × glass — which is why "35% film" can fail a 35% state. Common shades over factory glass:
| Film | Meters at | Front side | Back side | Rear |
|---|---|---|---|---|
| 70% | 54.6% VLT | Fail | Pass | Pass |
| 50% | 39.0% VLT | Fail | Pass | Pass |
| 35% | 27.3% VLT | Fail | Fail | Fail |
| 20% | 15.6% VLT | Fail | Fail | Fail |
| 5% | 3.9% VLT | Fail | Fail | Fail |
Different glass or an odd shade? Run the exact numbers in the tint-law tool — it also emails you if New Hampshire's law changes.
Across the state line
Shops near a border tint cars registered in both states. New Hampshire front side: 70% VLT min — the neighbors:
New Hampshire tint law FAQs
What is the darkest legal tint in New Hampshire?
Front side windows must let through at least 70% of light, back side 35%, and the rear window 35%. Anything darker fails a meter check.
Is 20% tint legal in New Hampshire?
A 20% film over factory glass meters about 15.6% VLT. That fails New Hampshire's 70% front-side rule and it also fails the back-side limit (35% vlt min).
Does New Hampshire allow medical exemptions for darker tint?
Yes — New Hampshire allows darker film with a qualifying medical exemption. Keep the exemption paperwork in the vehicle.
Is reflective or mirrored tint legal in New Hampshire?
No — New Hampshire does not allow reflective or mirrored window film.
What is the windshield tint rule in New Hampshire?
New Hampshire allows windshield tint only at the top of the glass: Top 6". Full-windshield film (outside a medical exemption) fails inspection.
Reviewed against state DOT/DPS regulations as of 2025. States amend tint law — verify with the New Hampshire authority before installing. This is reference material, not legal advice.
Run a tint shop in New Hampshire?
Wraptor quotes tint, wrap, and PPF jobs with the legal limits built in — plus scheduling, deposits, and a CRM that remembers every VIN.