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29-A M.R.S. § 1916 · checked 2026-10-01 against statute summaries

Maine window tint laws

In Maine, front side windows must allow 35% of light through, back side windows 35%, and the rear window 35%. Non-reflective tint allowed above the AS-1 line or top 5 inches

WindowMaine rule
WindshieldNon-reflective tint allowed above the AS-1 line or top 5 inches
Front side windows35% VLT minimum
Back side windows35% VLT minimum
Rear window35% VLT minimum
ReflectivityFront and back side windows may not be reflective (no specific percentage set by statute)
Banned colorsNone listed
Medical exemptionYes
Statute29-A M.R.S. § 1916

What installers in Maine will tell you

SUVs and vans may use any darkness on back side and rear windows (sedans are limited to 35%). The Chief of the State Police may grant a medical certificate of exemption; dual side mirrors are required if the rear window is tinted.

Frequently asked questions

What is the darkest legal tint on front windows in Maine?

Front side windows must let at least 35% of light through in Maine. Film plus factory glass count together.

Can I use 5% tint in Maine?

No on front side windows. Rear windows are limited to 35% VLT minimum and back side windows to 35% VLT minimum.

Does Maine allow a medical exemption for darker tint?

Yes. Maine allows darker tint with a qualifying medical condition; you typically need a physician's statement kept in the vehicle.

Can I tint the windshield in Maine?

Non-reflective tint allowed above the AS-1 line or top 5 inches

Sources

Reference only, not legal advice. Statutes change; confirm with the Maine statute above before you install.