Maryland Tint Law

22-406 (i) Window Tinting

(1)Except as provided in Paragraph (4) of this subsection, a person may not operate a vehicle registered under Section 13-912, 13-913, 13-917, or 13-937 of this article on a highway in this State if:

(i) In the case of a vehicle registered under Section 13-912 of this article, there is affixed to any window of the vehicle any tinting materials added to to the window after manufacture of the vehicle that do not allow a light transmittance through the window of at least 35%; and
(ii) In the case of a vehicle registered under section 13-913, 13-917 or 13-937 of this article, there is affixed to any window to the immediate right or left of the driver any window tinting materials added after manufacture of the vehicle that do not allow a light transmittance through the window of at least 35%.