Cal. Welf. and Inst. Code § 18491
The board of supervisors of every county as a board, or by committee or by such person as it may authorize, shall investigate every application for relief under this chapter, shall supervise by periodic visitation every person receiving such relief, shall devise ways and means for bringing persons unable to maintain themselves to self-support, and shall keep full and complete records of such investigation, supervision, relief, and rehabilitation as shall be prescribed by the department.
Such records shall be confidential and shall not be open to examination or inspection, except by the grand jury of the county or by a board or an officer of the state or the county charged with the supervision or direction of such relief or with the control of the expenditure of funds applicable to such relief.
Any citizen shall be entitled to demand and receive from the board, officer, committee, or person having custody of such records a statement of the amount, character, and value of the relief received by any person.
Ca. Welf. and Inst. Code § 18491