A For Sale By Owner contract Pennsylvania must include: 1. The Purchase Price, 2.View the forms library. Name the parties in the contract. Pennsylvania requires those selling FSBO to fill out and file many documents and forms. Explore FSBO transaction services in Pennsylvania with Pennsylvania Land Titles, guiding you from start to finish for a smooth sale. The FSBO Agreement of Sale is the most necessary and important document of the real estate transaction. We help FSBO's with this 610-489-6983. Sell Your House By Owner. Fill out our simple form or call us at (215) 769-9875.