A purchase and sale agreement is a contract between a buyer and seller for transacting a property in exchange for a specific price. Seller shall sell to Purchaser, and Purchaser shall purchase from Seller, at the price and upon the terms and conditions set forth in this Agreement.Fillable forms cannot be submitted electronically, but must be printed and mailed. Please visit eLicensing for online submission options. You will find that each real estate contract below is legal and can be customized to include photos and any other details you would like to add. Free California Real Estate Purchase Agreement Template. Fillable California Real Estate Purchase Agreement Rpa Ca Blank Form Fill Out and Sign. How to Write a Real Estate Purchase Agreement. Many REALTORS® contact the National Association looking for real estate forms. Real Property Sales Contracts.