Is it illegal to have a slot machine in the privacy of your home state California?

Yes, it is illegal to have a slot machine in the privacy of your home in the state of California. The California Penal Code section 330(a) prohibits the possession, operation, or maintenance of any slot machine or other mechanical or electronic device that can randomly determine a winner. This law applies to all locations, including private homes, and the offense can be prosecuted as a misdemeanor or a felony, depending on the circumstances.