California Judicial Council

Name Change Forms

Petitions to legally change an adult or minor's name.

7 official name change forms — sourced daily from courts.ca.gov

NC-100
Petition for Change of Name
The NC-100 form is used to ask a California court to officially change your legal name to a different name. You would need this form if you want to legally change your name for any reason, such as after marriage, divorce, personal preference, or to correct a mistake on your birth certificate.
NC-110
Attachment to Petition for Change of Name
The NC-110 form is used to provide additional details and supporting documents when someone files a petition to legally change their name in California court. Anyone requesting a name change—whether an adult, minor, or person in other circumstances—uses this form to attach explanations, evidence, or documentation that supports their reason for the name change request.
NC-120
Order to Show Cause for Change of Name
This form is used by someone who wants to legally change their name and needs to notify the court and all interested parties about their request. A person would use this form when they want to change their first name, last name, or both through the California court system.
NC-121
Proof of Service of Order to Show Cause
This form documents that someone has officially notified another person about a court order requiring them to appear in court to explain why a certain action should not be taken against them. Courts, lawyers, and people involved in family law cases (such as custody, support, or protective order matters) use this form to prove they properly delivered the court notice to all required parties.
Fillable
NC-125
Decree Changing Name
This form is a court order that requires a person to appear before a judge to explain why their legal name should not be changed to match their gender identity. People use this form when they want to legally change their name to align with their gender identity and need the court to process their request.
NC-130
Decree Changing Name
This form is the official court document that finalizes a person's legal name change after a judge approves their petition. People use this form to officially change their name for reasons like marriage, divorce, personal preference, or identity correction.
Fillable
NC-150
Notice of Hearing on Petition
This form notifies a person that a court hearing has been scheduled for a petition that affects their rights or interests. Courts, lawyers, and self-represented people use it to inform the other party about when and where to appear for hearings on various petitions including guardianship, conservatorship, probate, and other civil matters.
Fillable
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