Cal. INS § 122

(a) An insurer admitted for all the classes of insurance defined in Sections 102, 107, 108, 112, and 120 is authorized, in addition to the underwriting powers granted by such classes, to include any and all insurance described in paragraph (b) in a policy which contains fire coverage written on a form complying with either Section 2070 or 2071 and which provides insurance covering only noncommercial risks and covering either residence properties (not more extensive than a four-family dwelling) and appurtenances, or the contents thereof other than merchandise, or both.

(b) Such insurance is any or all insurance against all risks of physical loss of, damage to, or personal liability (except workers’ compensation) for injury to person or damage to property incident to, any or all of the following:

(1) The location described and property covered by the fire insurance policy as described in subdivision (a),

(2) Personal effects,

(3) Boats not over 16 feet in length (including furnishings, equipment, outboard motors, and trailers); provided the physical loss or damage coverage does not exceed five hundred dollars ($500),

(4) Personal property intended primarily for residential or recreational use, (excluding boats except as provided above),

(5) Farm implements or self-propelled vehicles, excluding automobiles and aircraft, and,

(6) Horses, including accouterments and vehicles or implements to be drawn thereby.