Cal. Health and Safety Code § 51104

Notwithstanding any other provisions of this part, only the following types of housing developments and residential structures are eligible for mortgage loans made with the proceeds of bonds: (a) Housing developments and residential structures financed with bonds of the agency guaranteed by the federal government. (b) Housing developments and residential structures financed with bonds of the agency that are guaranteed, or the time payment of principal and interest of which is insured, by an agency of the state or by a private insuring entity authorized to engage in that business. (c) Housing developments and residential structures, the mortgage loans on which presently are or are expected to be guaranteed, insured, or coinsured by the federal government. (d) Housing developments and residential structures, the bonds or mortgage loans on which are presently, or are expected to be, insured or guaranteed in whole or in part by an agency of the state, including the California Housing Finance Agency, a political subdivision of the state, or by a private insuring entity authorized to engage in that business, or by any combination thereof, in percentages determined by the agency. (e) Housing developments and residential structures financed by a loan made by the agency to a qualified mortgage lender, if both of the following conditions are met: (1) The loan to the qualified mortgage lender is a general obligation of the mortgage lender. (2) The qualified mortgage lender is a member of, or a subsidiary of a member of, the Federal Deposit Insurance Corporation or of the Federal Savings and Loan Insurance Corporation. (f) Housing developments and residential structures financed by tax-exempt bonds for which a bond reserve fund is created which complies with the terms and conditions of the agreement or agreements with agency bondholders.