Many counties in Maryland require that the buyer and seller should sign a transfer tax declaration indicating the purchase price during the sale of a property. A Maryland residential purchase agreement is a contract that binds a buyer and a seller for the sale and transfer of real estate.A Maryland purchase agreement records the negotiated terms of a real estate transaction. The buyer or seller can use this form to make an offer. In Maryland, purchase agreements only require a single disclosure form. A real estate agent does not work for you without a formal agreement. This video provides a step-by-step guide on how to fill out Maryland's Residential Contract of Sale form. Download a Maryland residential purchase agreement template to define buyer and seller obligations, financing, and inspections. How to fill out the Maryland Residential Contract of Sale Agreement?