Legal Question in Family Law in California

Your question is unclear as to where you are currently residing. If you are in Reno, you need to contact a Nevada family law attorney to discuss your legal options. If you live in California, you can file for divorce if you've lived in this state for more than 6 months and in the specific county

where you intend to file for at least 3 months.

I believe you posted a question before, but there still is not enough information here to help. I believe previously you wrote that you were told would have to go back to Nevada to "remarry" and then get a divorce. If it is a matter of you being unable to find the marriage certificate in California, that is because it would be filed with the county clerk where you were married in Nevada, which for Reno is Washoe county. Otherwise, your facts would indicate that the marriage was not valid in the first place, and there would be no need for a divorce.

I am really unclear as to why you want a determination that you were married, other than that you want to prove he is the father of your daughter. If he signed the birth certificate, he is the presumed father. If he didn't, you can ask for paternity to be established.