A mobile home bill of sale is used to prove the legal sale and purchase of a mobile home between a buyer and seller. How do I fill this out?To fill out the Mobile Home Bill of Sale, gather all necessary information about the vehicle and the buyer and seller. Chapter 1: General Registration Information. Aim to transfer title with 20 days of signature dates on Title, Multi-purpose transfer form, and Bill of Sale to avoid penalties. Here is a master list of the Building Division's bulletins and forms. It can be used to record the sale of new or used mobile homes with the cost of transportation or lease transfer to be negotiated in a separate document. Homes manufactured after 1980 must complete a tax clearance. Homes manufactured 1980 and prior might be on a direct fee program with HCD. At WIN Home Inspection, we are experts in inspecting manufactured homes to ensure they meet industry standards of safety and quality.