California Code, Vehicle Code - VEH § 10654

Every person other than the keeper of a garage renting any private building used as a private garage or space therein for the storage of a vehicle of a type subject to registration under this code, when the agreement to rent includes only the building or space therein, shall within 24 hours after the vehicle is stored therein report such fact together with the name of the tenant, and a description of the vehicle, including the name or make, the motor or other number of the vehicle, and the license number to the sheriff's office of the county or the police department of the city wherein the building is located.  “Private garage” as used in this section does not include a public warehouse or public garage.