California Code, Family Code - FAM § 509

(a) A party to a confidential marriage may obtain a certified copy of the confidential marriage certificate from the county clerk of the county in which the certificate is filed by submitting an application that satisfies the requirements of Chapter 14 (commencing with Section 103525) of Part 1 of Division 102 of the Health and Safety Code.

(b) Copies of a confidential marriage certificate may be issued to the parties to the marriage upon payment of the fee equivalent to that charged for copies of a marriage certificate.