At the time of levy or promptly thereafter, the levying officer shall, either personally or by mail, serve a copy of the writ and a notice of attachment or notice of levy on any third person in whose name the judgment debtor’s interest in the real property stands upon the records of the county. If service on the third person is by mail, it shall be sent to the person at the address for such person, if any, shown by the records of the office of the tax assessor of the county where the real property is located or, if no address is so shown, to the person at the address used by the county recorder for the return of the instrument creating the interest of the third person in the property. (CCP 700.015(b))