on a 4 door/sedan.... driver and passenger door have to be 25% and the back doors and rear window can be limo... front windshield can only be 5 inches down from the top or to the AS1 line, even if smaller then 5 inches, which ever comes first, the AS1 line's or the 5 inches.... I'm a State Inspector....
I use Angel Auto Glass on Atascocita Road in Humble.... he did my entire Sedan for $150, all 4 doors, back glass, and front window, i did 35% on front doors and 20% on back end, wish i would of done the limo instead....
http://www.tintcenter.com/laws/TX/
http://dmvanswers.com/questions/2363...-tinting-in-TX