Seller shall sell and convey and Purchaser shall purchase the property, together with all buildings and improvements thereon (collectively the. Property description: A proper description of the property, including the land surrounding any buildings, must be included.Once a contract is signed, a buyer must make a down payment. Navigate your real estate purchase with confidence. Discover essential steps, from hiring a lawyer to closing, for a smooth transaction. Expert legal counsel ensuring foolproof purchase agreements. Trust our lawyers for precise, secure purchase agreement negotiation. We've included a lengthy, typical NYC real estate purchase contract geared towards new development for your review below.