HOW TO CHANGE YOUR NAME (Adult). Fill out these court forms to ask the court for a name change: 1.If a judge agrees, they will give you a court order that states your new legal name. TIME: The process takes approximately 60-90 days from submittal of a complete application. For electronic submittals, please call for instructions. Recording an instrument does not make a transaction legal. These fees are subject to change but you can always see the most current here. Voter Registration forms are available at most of the following locations throughout Riverside County. Or you can call our office at, . City News Group offers efficient and reliable name change publication services.