Describe the real estate. Provide the common address and the full legal description of the property.In most cases, you will need to fill out, complete, and provide the following disclosures to the parties involved. Learn how to sell a home For Sale By Owner in San Diego. Get expert tips on pricing, marketing, and navigating the process successfully. 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. THE FOLLOWING APPLY ONLY TO San Diego. Our MLS Listing Help service makes listing your property for sale or rent a breeze. California requires those selling FSBO to fill out and file many documents and forms. Several of these documents are legally binding agreements.