Montana Window Tint Laws

Feb 1, 2026. Verify with your state DMV/for current updates.

Quick legal limits (VLT% / placement)

Window	Car / Sedan	MPV (SUV/van/pickup)
Windshield	Non‑reflective tint above the AS‑1 line
Front side windows	24%	24%
Rear side windows	14%	Any darkness
Rear window	14%	Any darkness

Other rules & notes

• Law measurement basis: FILM
• Reflectivity (front / back): 35% / 35%
• Colors / notes: N/S
• Mirrors: No
• Film certification: No
• Sticker / label: Recommend
• Medical exemptions: Yes
• Tolerance: —