A Massachusetts purchase agreement is the standard legal form for selling or purchasing a home. It documents the transaction's stipulations.Learn how to sell your home FSBO in Massachusetts. Edit, sign, and share house document in usa pdf online. No need to install software, just go to DocHub, and sign up instantly and for free. First, include the property address as well as its legal description (found on the deed). Then go into detail about what is included or excluded from the sale. A purchase and sale agreement is a contract between a buyer and seller for transacting a property in exchange for a specific price. I'd like to hear comments on how to make my offer more attractive.