A For Sale By Owner contract California must include: 1. The Purchase Price, 2.A California purchase agreement contains all the provisions, disclosures, and general information needed to secure a binding contract. We recommend that most FSBO sellers use the California Association of Realtors (CAR) forms. Fillable forms cannot be submitted electronically, but must be printed and mailed. Please visit eLicensing for online submission options. California requires those selling FSBO to fill out and file many documents and forms. Answer some simple questions, get ready-for-signature paperwork.