Except as provided in Section 10239.2, "sell," "sale," or "sold" means a transaction for the transfer of real property from a seller to a buyer, and includes (a) an exchange of real property between a seller and a buyer, (b) a real property sales contract within the meaning of Section 2985 of the Civil Code, and (c) a leasehold exceeding one year's duration.
Ca. Bus. and Prof'l. Code § 10018.10