, 20 ("Offer Reference Date"). The Real Estate Purchase Contract is a six-page document we use when we write an offer to buy a home.A Utah real estate contract is a legally binding agreement that is created when a buyer makes an offer on real estate that is for sale. They typically consist of the final sale price, earnest money details, closing date, title information, and contingencies. To help you prepare the paperwork for selling a house without a realtor, here is a list of 12 musthave documents.