Did you know that if you own you own your own home it is legal to rent an unused room as if it were a storage building? There is even a company that will help you write up the contract and set the rules for your tenants. Of course you will want to make sure the room has a proper lock, fire protection and security and that your tenants do not place anything dangerous inside. Further, you will want to set clear rules about when the storage room can be accessed. It is legal to rent a room in your home as a storage space in most cities. Here are some tips on how to do this and earn some extra money from an unused bedroom or other room in your home.