If a judge agrees, they will give you a court order that states your new legal name. In California, you can ask for a court order to change your legal name.To do this, you file a petition with the court and publish a notice in a newspaper. Below you will find information about the services we offer and addresses to our Oakland and Tri-Valley office locations. The Oakland County Register of Deeds office offers electronic recording of your real estate documents. A. You must complete form PC 51 or PC 51c to begin a name change proceeding. Use this form (PC 51) unless you have good cause not to publish. Vital Records: Order online and pick up at Oakland location. Note: Only the applicant listed on the order will be allowed to pick up the certificate. The official website of the City of Oakland.