This is going to be how to fill out the agreement of sale for pennsylvania. A For Sale By Owner contract Pennsylvania must include: 1.The Purchase Price, 2. The standard agreement specifies details of the property including purchase price, buyer's responsibilities and much more. Get a comprehensive understanding of Pennsylvania real estate purchase and sale agreements with our indepth overview and free template. A Pennsylvania residential purchase agreement establishes a legal arrangement between a buyer and a seller in a real estate transaction. Once signed, ownership of the residence will transfer from seller to buyer on the agreedupon date indicated in the agreement. Contents. For a long form Pennsylvania purchase and sale agreement drafted from the buyer. 1. Enter buyer and seller details. The Agreement of Sale for Commercial Real Estate should be used to outline the terms of the agreement when selling or purchasing a commercial property.