The County Clerk division can deputize other individuals to perform your marriage ceremony at any location in California for a fee of $60.
The applicant must physically appear in front of the County Clerk to take the oath before a certificate can be issued. The applicant is also required to physically present a valid government-issued photo ID. Obtain the certificate at:
County Clerk Division
555 County Center, 1st Floor
Redwood City, CA 94063