Cal. CCP § 1029.8

(a) Any unlicensed person who causes injury or damage to another person as a result of providing goods or performing services for which a license is required under Division 2 (commencing with Section 500) or any initiative act referred to therein, Division 3 (commencing with Section 5000), or Chapter 2 (commencing with Section 18600) or Chapter 3 (commencing with Section 19000) of Division 8, of the Business and Professions Code, or Chapter 2 (commencing with Section 25210) or Chapter 3 (commencing with Section 25230) of Part 3 of Division 1 of Title 4 of the Corporations Code, shall be liable to the injured person for treble the amount of damages assessed in a civil action in any court having proper jurisdiction. The court may, in its discretion, award all costs and attorney’s fees to the injured person if that person prevails in the action.

(b) This section shall not be construed to confer an additional cause of action or to affect or limit any other remedy, including, but not limited to, a claim for exemplary damages.

(c) The additional damages provided for in subdivision (a) shall not exceed ten thousand dollars ($10,000).

(d) For the purposes of this section, the term “unlicensed person” shall not apply to any of the following:

(1) Any person, partnership, corporation, or other entity providing goods or services under the good faith belief that they are properly licensed and acting within the proper scope of that licensure.

(2) Any person, partnership, corporation, or other entity whose license has expired for nonpayment of license renewal fees, but who is eligible to renew that license without the necessity of applying and qualifying for an original license.

(3) Any person, partnership, or corporation licensed under Chapter 6 (commencing with Section 2700) or Chapter 6.5 (commencing with Section 2840) of the Business and Professions Code, who provides professional nursing services under an existing license, if the action arises from a claim that the licensee exceeded the scope of practice authorized by his or her license.

(e) This section shall not apply to any action for unfair trade practices brought against an unlicensed person under Chapter 4 (commencing with Section 17000) of Part 2 of Division 7 of the Business and Professions Code, by a person who holds a license that is required, or closely related to the license that is required, to engage in those activities performed by the unlicensed person.