A listing agreement is a contract between homeowners and brokers that legally establishes how a realtor will find a property buyer on the seller's behalf. Real estate forms and contracts for Washington, DC and Montgomery County, MD. Sales contracts, buyer's agreement, rental forms, leasing agreements.A listing agreement is a contract between a seller and a real estate firm, creating an agency relationship. A listing agreement is not an enforceable contract unless it contains: a. The street address of the property b. A listing agreement is a contract where the seller allows a real estate agent to act as a broker and market and sell their property. The parties to a listing agreement include but are not limited to a property owner who wants to sell the property and a real estate representative (agent). The salesperson's broker. An analysis of each option is provided in the table below. Be included in the contract file.