California Code, Government Code - GOV § 25549.20

Any county or city and county may contract to acquire a condominium interest, as defined in Section 783 of the Civil Code, in real property to be used jointly by the county or city and county and any private person, firm, or corporation pursuant to this article.

Any land, building, or portion thereof, which is used by a private person, firm, or corporation pursuant to this article shall be subject to the zoning and building code requirements of the local jurisdiction in which the land and building are situated.