If a vehicle or vessel is levied upon and a certificate of ownership has been issued by the Department of Motor Vehicles for such vehicle or vessel and the certificate of ownership is still in effect, or if a manufactured home, mobilehome, or commercial coach is levied upon and a permanent title record has been established by the Department of Housing and Community Development for such manufactured home, mobilehome, or commercial coach the levying officer shall determine from the appropriate department the name and address of the legal owner and each junior lienholder of the property levied upon. If the legal owner or junior lienholder is not the judgment debtor and is not in possession of the vehicle, vessel, manufactured home, mobilehome, or commercial coach, the levying officer shall at the time of levy or promptly thereafter serve a copy of the writ of execution and a notice of levy on the legal owner or junior lienholder. Service shall be made personally or by mail. (CCP 700.090)
House trailers and undocumented vessels are required to be registered with the Department of Motor Vehicles. (VEH 630, 635, 4000, 5350 and 9840, et seq.)
Manufactured homes, mobile homes, and commercial coaches sold or used within this state are subject to registration with the Department of Housing and Community Development. (HS 18075) Mobile homes which are subject to local property taxation pursuant to RTC 5800 et seq., are excepted from the annual registration generally required for mobile homes and commercial coaches, and are subject to registration only at the time of sale, resale or transfer of title. (HS 18075.5)