Cal. Civ. Code § 6531

A “commercial or industrial common interest development” means a common interest development that is limited to industrial or commercial uses by law or by a declaration of covenants, conditions, and restrictions that has been recorded in the official records of each county in which the common interest development is located. For the purposes of this section, “commercial use” includes, but is not limited to, the operation of a business that provides facilities for the overnight stay of its customers, employees, or agents.