Name the parties in the contract. You may be able to find seller disclosure forms online through Office Depot or Office Max.Your Escrow Officer cannot provide these forms. This FSBO paperwork is needed as soon as you accept an offer, so it's useful to have a purchase agreement onhand that you can fill out quickly. California requires those selling FSBO to fill out and file many documents and forms. Several of these documents are legally binding agreements. THE FOLLOWING APPLY ONLY TO San Diego. Learn how to sell a home For Sale By Owner in San Diego. Get expert tips on pricing, marketing, and navigating the process successfully. I got the California Association of Realtors Residential Purchase Agreement and filled it out with the agreed upon purchase price and terms.