CA Civ Proc Code Section 684.130

(a)

If the levying officer is required by any provision of this title to serve any writ, order, notice, or other paper on any person, the judgment creditor shall include in the instructions to the levying officer the correct name and address of the person. The judgment creditor shall use reasonable diligence to ascertain the correct name and address of the person.

(b)

Unless the levying officer has actual knowledge that the name or address included in the instructions is incorrect, the levying officer shall rely on the instructions in serving the writ, order, notice, or other paper on the person.