California Code, Business and Professions Code - BPC § 26037

(a) The actions of a licensee, its employees, and its agents that are (1) permitted under a license issued under this division and any applicable local ordinances and (2) conducted in accordance with the requirements of this division and regulations adopted pursuant to this division, are not unlawful under state law and shall not be an offense subject to arrest, prosecution, or other sanction under state law, or be subject to a civil fine or be a basis for seizure or forfeiture of assets under state law.

(b) The actions of a person who, in good faith, allows his or her property to be used by a licensee, its employees, and its agents, as permitted pursuant to a state license and any applicable local ordinances, are not unlawful under state law and shall not be an offense subject to arrest, prosecution, or other sanction under state law, or be subject to a civil fine or be a basis for seizure or forfeiture of assets under state law.