Learn how to properly fill out all of the residential listing contract documents and everything associated with it. Below are seven of the most important issues that the seller can negotiate in the broker's listing agreement.A listing agreement is a legally binding contract between the property owner and a real estate agent. What is included in a listing agreement? The listing agreement is a contract that lays out specific, agreedupon terms, giving the real estate agent permission to market a home to buyers. A residential listing agreement is an contract between a property owner and a real estate broker where the broker lists the property for sale.