# Massachusetts · rear side windows — State Window Tint Darkness (VLT%) Limits by Window Position

For Massachusetts · rear side windows, jurisdiction is Massachusetts; window position is rear side windows; vlt min is thirty-five per cent; condition is if the vehicle is equipped with two outside mirrors, one on each side, adjusted so that the driver has a clear view of the highway behind the vehicle; statute citation is Mass. Gen. Laws ch. 90, s. 9D(4), recorded from its source on 2026-08-27.

- **jurisdiction:** Massachusetts _(our reading, not quoted from the source)_
- **window position:** rear side windows _(our reading, not quoted from the source)_
- **vlt min:** thirty-five per cent _(verified: appears in the quote below)_
- **condition:** if the vehicle is equipped with two outside mirrors, one on each side, adjusted so that the driver has a clear view of the highway behind the vehicle _(verified: appears in the quote below)_
- **statute citation:** Mass. Gen. Laws ch. 90, s. 9D(4) _(our reading, not quoted from the source)_

## What the source says

> (4) the use of nontransparent or sunscreen material or window application which has a total visible light reflectance of not more than thirty-five per cent or a visible light transmittance of not less than thirty-five per cent on the side windows immediately adjacent to the right and left of the operator's seat, the side windows immediately to the rear of the operator's seat and the front passenger seat or on the rear window if the vehicle is equipped with two outside mirrors, one on each side, adjusted so that the driver has a clear view of the highway behind the vehicle.

## Source

- https://malegislature.gov/Laws/GeneralLaws/PartI/TitleXIV/Chapter90/Section9D

Last verified: 2026-08-27. Review by: 2027-02-23.
Part of [State Window Tint Darkness (VLT%) Limits by Window Position](https://referencesource.org/state-window-tint-vlt-limits/).