A purchase and sale agreement is a contract between a buyer and seller for transacting a property in exchange for a specific price. A unique application of customizable commercial real estate contract templates, including Purchase and Sale, Lease, and Listing agreements.The parties must agree and sign an agreement before any settlement reached at the mediation is binding. Mediation shall take place in the State of Arizona. You will find that each real estate contract below is legal and can be customized to include photos and any other details you would like to add. 3. Property. Fill out the street (physical) address of the property the buyer is purchasing. Include any unit or apartment number, if applicable. With the help of this easy-to-use document, users can quickly fill in the details while adhering to the state laws. If a real estate broker is a party to a transaction (e.g. State of Arizona. 2.