CA Gov't Code Section 66452.50

(a)

Notwithstanding any other provision of this division, a local agency may, upon application by a subdivider, in connection with the approval of a tentative or final map for the proposed construction of a condominium development, which requires the obtaining of a tentative or final map under provisions of this division or local ordinances enacted pursuant thereto, enter into a binding agreement with the subdivider mandating that the units be first made available for rental housing for a period of not less than 10 years from the date a certificate of occupancy has been issued for the units within the development; provided that (1) at the expiration of the 10-year period the units within the development may be sold to individual purchasers, in accordance with the approved final map authorizing the development without further proceedings under the provisions of this division or local ordinances enacted pursuant thereto, and (2), except as otherwise provided in subdivision (b), during the period the units are required to be made available for rental purposes, the units are insured or are to be insured or co-insured pursuant to the provisions of Chapter 4 (commencing with Section 51850) of Part 4 of Division 31 of the Health and Safety Code, and (3) each tenant of a unit within the development shall be given 180 days’ written notice prior to actual conversion. Such notice shall include an offer of an exclusive right to contract for his or her respective unit upon the same terms and conditions that such unit will be initially offered to the general public or on terms more favorable to the tenant. The right shall run for a period of not less than 90 days from the date written notice of actual conversion was sent to the tenant. Any such agreement shall be in writing, particularly describe the real property and set forth the name or names of the record title owner of the real property affected thereby, and be executed by the person authorized to act on behalf of the local agency and by the subdivider. From the date of execution of the agreement, it shall be binding upon the local agency, the subdivider, and their successors. The fact that a condominium development is subject to such an agreement shall be set forth on the face of any tentative or final map approved by the local agency and the agreement shall be recorded in the office of the county recorder in the county in which the real property is located on or before the date of recordation of the final map.

(b)

Multifamily rental housing financed on or after January 1, 1983, with the proceeds of sale of tax-exempt bonds sold pursuant to any laws of this state shall not be subject to the requirements of condition (2) prescribed in the first paragraph of subdivision (a), but shall be subject to all the requirements of the law pursuant to which the bonds are being issued, including, but not limited to, any requirement in such law that the housing be maintained as rental housing for a period in excess of 10 years.