The property and improvements which the Seller is agreeing to sell and which the Purchaser is agreeing to purchase is known as. Some examples of documents you may need to sell your home are: Property survey: This is a legal document that shows the buyer the boundaries of your property.New York requires those selling FSBO to fill out and file many documents and forms. Several of these documents are legally binding agreements. Agents are now required to have you sign a form before you can view a home, unless you go to an open house. A For Sale By Owner contract New Jersey must include: 1. The Purchase Price, 2.