MLS Participants must include the disclosure in the listing agreement, if the listing agreement is not a government-specified form. 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 contractual agreement under which the listing broker acts as the agent or as the legally recognized non-agency representative of the seller(s). Selling a house without a realtor involves preparing prelisting, listing, disclosure, negotiation, and closing paperwork. Legal help can be beneficial. The duties owed to Seller as referred in the Illinois Real Estate. 47. Specifically, Section 18.4 of the. Illinois Condominium Property Act states that a condominium board must "exercise the care required of a fiduciary of the unit. A residential listing agreement is an contract between a property owner and a real estate broker where the broker lists the property for sale. Forms on this website are PDFs with fillable fields.