We've included a lengthy, typical NYC real estate purchase contract geared towards new development for your review below. This article examines the ins and outs of backing out of unsigned versus signed contracts on properties in New York State and examines how to mitigate risks.When it comes to filling out a real estate purchase agreement, several key players are involved: buyers, sellers, real estate agents, and attorneys. The property and improvements which the Seller is agreeing to sell and which the Purchaser is agreeing to purchase is known as. Seller shall sell and convey and Purchaser shall purchase the property, together with all buildings and improvements thereon (collectively the. Approve the Fourth Amendment to the Purchase and Sale Agreement for the sale of the.