This is a Legally Binding Contract; If Not Understood, Seek Competent Legal Advice. Get a comprehensive understanding of Maryland real estate purchase and sale agreements with our indepth overview and free template.This document serves as a comprehensive guide for buyers and sellers in a residential real estate transaction. The buyer or seller can use this form to make an offer containing the sale's terms, mortgage information, and purchase price. The buyer or seller can use this form to make an offer containing the sale's terms, mortgage information, and purchase price. 9k views 5 years ago 3. Property. Fill out the street (physical) address of the property the buyer is purchasing. Include any unit or apartment number, if applicable. How to fill out the Maryland Residential Contract of Sale Agreement? A For Sale By Owner contract Maryland must include: 1.