A real estate sales contract and purchase agreement is a detailed document breaking down the specifics of the property transaction. Description: This example of an agreement between a developer and a lease- purchaser is intended to illustrate how NSP grantees, subrecipients.I am looking for a Purchase Agreement form I can use for submitting offers on homes here in California. Create an attorneydrafted California lease agreement with stepbystep guidance. Download our free template to get started. How to fill out the Real Estate Purchase Option Agreement Template? 1. Enter the name and address of the Owner. 2.