This Purchase and Sale Agreement and Joint Escrow Instructions (this "Agreement"), between. ("Seller") and the COUNTY OF ORANGE, a political subdivision.Seller is the owner in fee of that certain real property consisting of approximately. Buying or selling property? Create a Real Estate Purchase Agreement with our easy online template. The property and improvements which the Seller is agreeing to sell and which the Purchaser is agreeing to purchase is known as. Question: Is the agreement binding before I sign the escrow instructions?