A For Sale By Owner contract California must include: 1. The Purchase Price, 2.Concluding the sale. Buyer and seller agree to terms. Get a comprehensive understanding of California real estate purchase and sale agreements with our indepth overview and free template. Unless you buy a tear-down, you should include a home inspection contingency in your offer. A hard copy of the form is included in the seller's closing documents and a copy is sent to the IRS. California Form 593. This Agreement shall be interpreted in accordance with the laws in the State of California. Fill out the name of the buyer(s), the address of the subject property and the assessor's parcel number for the dwelling.