Cal. Gov. Code § 25526.6

Notwithstanding any other provision of law, the board may grant or otherwise convey, or by ordinance, may authorize such county officer or officers as are deemed appropriate, to grant or otherwise convey an easement, license, or permit for use of any real property of the county to the state, or to any county, city, district, or public agency or corporation, or to any public utility corporation in the manner and upon the terms and conditions as the board or authorized county officer determines or prescribes, upon a finding by the board or authorized county officer that the conveyance is in the public interest and that the interest in land conveyed will not substantially conflict or interfere with the use of the property by the county.