Cal. Health & Safety Code § 1506.6

It is the intent of the Legislature that public and private efforts to recruit foster parents not be competitive and that the total number of foster parents be increased. A foster family agency shall not certify a family home which is licensed by the department or a county. A licensed foster family home shall forfeit its license, pursuant to subdivision (b) of Section 1524, concurrent with final certification by the foster family agency. The department or a county shall not license a family home that is certified by a foster family agency. A certified family home shall forfeit its certificate concurrent with final licensing by the department or a county.