CA Civ Proc Code Section 720.110

A third person claiming ownership or the right to possession of property may make a third-party claim under this chapter in any of the following cases if the interest claimed is superior to the creditor’s lien on the property:

(a)

Where real property has been levied upon under a writ of attachment or a writ of execution.

(b)

Where personal property has been levied upon under a writ of attachment, a writ of execution, a prejudgment or postjudgment writ of possession, or a writ of sale.