View the forms library. Explore FSBO transaction services in Pennsylvania with Pennsylvania Land Titles, guiding you from start to finish for a smooth sale.The answer is because the agent did not fill out their buyer agency form correctly (or at all). A Pennsylvania residential purchase agreement establishes a legal arrangement between a buyer and a seller in a real estate transaction. These forms will assist you with property assessments, filing deeds and obtaining a certified copy of military discharge papers. A For Sale By Owner contract Pennsylvania must include: 1. The Purchase Price, 2. Pennsylvania requires those selling FSBO to fill out and file many documents and forms. Several of these documents are legally binding agreements. This is a Legally Binding Contract; If Not Understood, Seek Competent Legal Advice.