As an agent you have been trained in the legal forms and contracts that consummate a sale. Welcome to our comprehensive guide on the Form 47 Seller Representation Agreement (Sale to Identified Buyer).As Seller's Listing Broker. A listing agreement is a legally binding contract between a homeowner and the real estate agent or broker who will be listing the property for sale. A listing agreement is a contract between a real estate agent or broker (the industry professional who will be listing the property for sale) and a home seller. Sellers guardian a licensed real estate agent in the state of Washington. You will need to provide the required details in this section. It is important to complete all of the relevant fields. The listing agreement typically lays out the agreed upon methods your agent will use to sell your home.