Combined Contract Schedules for Construction and Professional Services Contracts. To use the latest web form version please click on this link.The seller must complete Form 593-L, "Real Estate. Withholding-Computation of Estimated Gain or Loss. Some examples of documents you may need to sell your home are: Property survey: This is a legal document that shows the buyer the boundaries of your property. The minimum requirement for preparing to list your home FSBO is to complete any state or locally required residential real estate sales disclosures. A For Sale By Owner contract California must include: 1. The Purchase Price, 2.