An Arizona land contract facilitates a transaction between a buyer and a seller for raw land. The contract acts as an offer from the buyer to the seller.Residential Resale Transaction Forms. Customize and Download this "Sample Land Purchase Agreement". An Arizona purchase agreement facilitates the sale of real estate for an agreedupon price between the buyer and seller. Name, County, and Escrow Company Name. This particular contract dictates the purchase and sale of real estate in Phoenix and throughout the state. A For Sale By Owner contract Arizona must include: 1. The Purchase Price, 2. Purchase and Sale Agreement.