Yes you can buy it in CA. only certain kinds are legal in CA. any 2 part polyurethanes are the be used with caution! I paint in an open shop with a respirator have painted many gallons with NO Trouble!!! JUST USE your head take your time. Contrary to what some might say you do NOT need to be a PROfessional Shop to buy it It is well worth the extra trouble and expense 17afarmer. Mike