Cal. Civ. Code § 2216

(a) Any of the following parties may bring a civil action seeking preventive relief, including for a permanent or temporary injunction, restraining order, or other order against the carrier of passengers, for one or more violations of this chapter:
1. (1) The Attorney General, a district attorney, or a city attorney.
2. (2) A passenger who was transported in violation of this chapter.
3. (3) A homeless service provider or shelter, a health care service provider, or a nonprofit social service provider that suffered a direct violation of this chapter.
(b) A carrier of passengers that violates this chapter, or whose employee violates this chapter, may be assessed a civil penalty of up to ten thousand dollars ($10,000) for each act of transporting a person that resulted in one or more violations of this chapter.
(c) Article 6 (commencing with Section 5411) of Chapter 8 of the Public Utilities Code does not apply for purposes of this chapter.
(d) The Attorney General, a district attorney, or a city attorney may bring the action described in subdivision (b).
(e) A prevailing plaintiff shall be entitled to attorney’s fees and costs in any action brought pursuant to subdivision (a) or (b).