A Pennsylvania residential purchase agreement establishes a legal arrangement between a buyer and a seller in a real estate transaction. A Pennsylvania purchase agreement creates a secured contract for a residential property transaction.View the forms library. Looking for a Pennsylvania real estate purchase agreement template? Download this free version today. This is a Legally Binding Contract; If Not Understood, Seek Competent Legal Advice. This sample form is for reference and educational purposes only. The use of these forms does not constitute legal representation or legal. The following is a list of interactive forms. These forms should be downloaded and completed on your device and printed.