This service agreement is typically referred to as a listing contract and can either be an exclusive contract or what is known as a multiple listing contract. A listing agreement is a legally binding contract between the property owner and a real estate agent.What is included in a listing agreement? Learn all about Multiple Listing Contract BC Realtors use What they are, how they work, and what to expect when signing one with a real estate agent. Realtors should consider whether or not it is in the best interest of the seller(s) to have more than one agent list the property. Detailed explanations of the OREA and legal paperwork you'll be asked to sign when you list your house or condo for sale in Ontario.