Cal. Health and Safety Code § 52106

(a) Bonds issued pursuant to this chapter shall be repayable solely from payments of principal and interest on account of the loans funded thereby. The issuing city or county may pledge all or any portion of these payments to secure the bonds. (b) Neither the members of the governing body of the issuing city or county nor any person executing the bonds shall be personally liable on the bonds or be subject to any personal liability or accountability by reason of the issuance thereof. (c) The exercise of the powers granted by this chapter shall be in all respects for the benefit of the people of this state and for their health and welfare. Any bonds issued under this chapter, their transfer, and income therefrom shall at all times be free from taxation of every kind by the state and by the municipalities and political subdivisions of the state, except estate taxes. (d) This chapter provides an alternative method for issuing bonds and lending moneys for acquisition, construction, rehabilitation, refinancing, or development of multifamily rental housing by private nonprofit organizations exempt from federal income taxation pursuant to Section 501(c)(3) of the Internal Revenue Code of 1986, as amended (26 U.S.C. Sec. 501(c)(3)).