LISTING FORMS (Mandatory Listings): Listing Agreements of properties located within Middlesex. This is a basic listing agreement or contract if you will uh between you the agent and the seller the homeowner.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. PURPOSE OF THIS CONTRACT: Seller is hiring Broker to submit the property (with its full address information) in the. For a consultation, give us a call at or fill out our contact form online. Contact Us. Free Consultation . We're gonna go over how to write a listing. First you need to sign into zip forms and create new do new listing type in the address. Please fill out the form to download your FREE e-book! Get the latest listings with instant updates.