California Code, Health and Safety Code - HSC § 17975

(a) Any tenant who is displaced or subject to displacement from a residential rental unit as a result of an order to vacate or an order requiring the vacation of a residential unit by a local enforcement agency as a result of a violation so extensive and of such a nature that the immediate health and safety of the residents is endangered, shall be entitled to receive relocation benefits from the owner as specified in this article. The local enforcement agency shall determine the eligibility of tenants for benefits pursuant to this article.

(b) For purposes of this section, “residential rental unit” includes a unit rented by a tenant for human habitation, regardless of the zoning designation or approved uses of the building, that is located in a building or portion thereof that is deemed or found to be a substandard building.