California Code, Code of Civil Procedure - CCP § 1710.30

(a) Notice of entry of judgment shall be served promptly by the judgment creditor upon the judgment debtor in the manner provided for service of summons by Article 3 (commencing with Section 415.10) of Chapter 4 of Title 5 of Part 2. Notice shall be in a form prescribed by the Judicial Council and shall inform the judgment debtor thatthe judgment debtor has 30 days within which to make a motion to vacate the judgment.

(b) The fee for service of the notice of entry of judgment under this section is an item of costs recoverable in the same manner as statutory fees for service of a writ as provided inChapter 5 (commencing with Section 685.010) of Division 1 of Title 9 of Part 2, but such fee may not exceed the amount allowed to a public officer or employee in this state for such service.