Cal. Penal Code § 451.5
(a) A person who willfully, maliciously, deliberately, with premeditation, and with intent to cause injury to one or more persons, or to cause damage to property under circumstances likely to produce injury to one or more persons, or to cause damage to one or more structures or inhabited dwellings, sets fire to, burns, or causes to be burned, or aids, counsels, or procures the burning of any residence, structure, forest land, or property, is guilty of aggravated arson if either of the following aggravating factors exists: