California requires those selling FSBO to fill out and file many documents and forms. FSBO transactions in California can be complicated.Here's everything a DIY seller needs to know in the Golden State. To list your home FSBO in California, opt for a Flat Fee MLS company. Hi guys,I have an interesting scenario that I need some advice on. Select your MLS package. Choose the listing marketing package you want, Fill out the forms, and start marketing your listing directly to agents and buyers. You'll need to fill out or obtain at least 14 documents, including the purchase agreement, closing statement, and bill of sale. A For Sale By Owner contract California must include: 1. The Purchase Price, 2.