To be married in California, you need a marriage license issued in any California County. A license from any County is valid in any other County. The rules are different by county but here are links to some that are close to us. You must both visit the county office together to pick up your license. Some counties have an online form you can fill out in advance. If I am your officiant, I will make sure that you know how to get your license!
We have information on obtaining your marriage license in some of the local counties, arranged alphabetically: