California Code, Penal Code - PEN § 25525

(a) Section 25400 does not apply to, or affect, the transportation of a firearm by any citizen of the United States or legal resident over the age of 18 years who resides or is temporarily within this state, and who is not within the excepted classes prescribed by Chapter 2 (commencing with Section 29800) or Chapter 3 (commencing with Section 29900) of Division 9 of this title, or Section 8100 or 8103 of the Welfare and Institutions Code, directly between any of the following places:

(b) Section 25400 does not apply to, or affect, the transportation of a firearm by a person listed in subdivision (a) when going directly from the place where that person lawfully received that firearm to that person's place of residence or place of business or to private property owned or lawfully possessed by that person.