Cal. Health and Safety Code - HSC § 114285. Section 114285.
(a)
Except as specified in subdivision (b), a private home, a room used as living or sleeping quarters, or an area directly opening into a room used as living or sleeping quarters shall not be used for conducting food facility operations.
(b)
(1)
Nonperishable, prepackaged food may be given away, sold, or handled from a private home. No food that has exceeded the labeled shelf life date recommended by the manufacturer shall be
deemed to be nonperishable food.
(2)
For purposes of this subdivision, “nonperishable food” means a food that is not a potentially hazardous food, and that does not show signs of spoiling, becoming rancid, or developing objectionable odors during storage at ambient temperatures.
(c)
Restricted food service facilities are exempt from subdivision (a) provided that no sleeping accommodations shall be allowed in any area where food is prepared or stored.