Cal. Bus. & Prof. Code § 13611
The department or any sealer may bring an action to enjoin the violation or the threatened violation of any provision of this chapter or of any regulation made pertaining to the provisions of this chapter. The action may be brought in the county in which such violation occurs or is about to occur. There may be enjoined in one proceeding any number of defendants alleged to be violating the same provisions or regulations, although their properties, interests, residences, or places of business may be in several counties and the violations separate and distinct. Any proceeding brought pursuant to this section shall be governed in all other respects by the provisions of Chapter 3 (commencing with Section 525) of Title 7 of Part 2 of the Code of Civil Procedure.
Ca. Bus. and Prof'l. Code § 13611