California Code, Health and Safety Code - HSC § 50881.5

(a) “Community housing development” means a development of 20 or more rental or cooperative units on one or more sites, that includes the social and economic features described in this chapter.

(b) “Congregate housing” or “congregate housing development,” means a new or rehabilitated large multibedroom structure in which more than two families share common living areas and child care, cleaning, cooking, and other household responsibilities.

(c) “Sponsor” means any nonprofit corporation, cooperative, or local public agency, or any combination thereof, including limited partnerships in which the managing general partner is an eligible nonprofit corporation.