Cal. Health & Safety Code § 50954

The exercise of the powers specified in this division will be in all respects for the benefit of the people of the state, for their well-being and prosperity, and for the improvement of their social and economic conditions, and the agency shall not be required to pay any tax or assessment on any property owned by the agency under the provisions of this division or upon the income therefrom. Any bonds issued by the agency under the provisions of this division, their transfer, and the income therefrom shall at all times be free from taxation by the state or any political subdivision or other instrumentality of the state, excepting inheritance and gift taxes.