The property and improvements which the Seller is agreeing to sell and which the Purchaser is agreeing to purchase is known as. A New York residential purchase agreement outlines the terms of a transaction between the buyer and the seller of a residential property.New York requires those selling FSBO to fill out and file many documents and forms. Several of these documents are legally binding agreements. A For Sale By Owner contract New York must include: 1. The Purchase Price, 2. 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. The NYC FSBO Closing Process is surprisingly easy as long as you have accepted an offer from a qualified home buyer. The form includes information about the buyer and seller, purchase price, earnest money deposit, closing date, and any additional terms of sale. Selling your New York home yourself can be overwhelming.