Cal. Pen. Code § 330.4
It is specifically declared that the mere possession or control, either as owner, lessee, agent, employee, mortgagor, or otherwise of any slot machine or device, as defined in Section 330.1 of this code, is prohibited and penalized by the provisions of Sections 330.1 to 330.5, inclusive, of this code.
It is specifically declared that every person who permits to be placed, maintained or kept in any room, space, enclosure, or building owned, leased or occupied by him, or under his management or control, whether for use or operation or for storage, bailment, safekeeping or deposit only, any slot machine or device, as defined in Section 330.1 of this code, is guilty of a misdemeanor and punishable as provided in Section 330.1 of this code.
It is further declared that the provisions of this section specifically render any slot machine or device as defined in Section 330.1 of this code subject to confiscation as provided in Section 335a of this code.
Ca. Pen. Code § 330.4