State Guide • 8 min read • August 15, 2026
How to Change a Child's Name in California: Forms, Fees & Process (2026)
This page covers **California statewide** court process. **Who this applies to:** a minor child (under 18). **Not covered:** adoption or paternity-based changes, or name changes after marriage/divorce. County-specific details vary - ask your clerk of court.
By the NameRight Editorial Team • Reviewed against official court sources • Last updated August 15, 2026
Understanding California Court Requirements
A legal name change for your child starts with a single thing: a court order. Without it, no government agency - Social Security, DMV, the passport office - will accept the new name. For a child under 18 in California, that order comes from a Superior Court judge.
The goal here is that "official order on paper" - the document that finally gives your child a name that matches who they are, not a deadname a marketing database still knows.
- Who can file: a parent or legal guardian of the child. A minor 14 or older can also petition on their own behalf (with the involvement of a parent or guardian).
- Where: you file in the county where the child lives. Residency rules can vary - confirm with your county clerk.
- The standard: the judge decides based on the child's best interests. The court will also consider the child's own preference, especially if the child is 12 or older.
- If the other parent objects: the judge must hold a hearing and hear both sides. Consent from both parents makes the process much faster and may let you skip a courtroom appearance.
Step 1: Gather the right forms
California uses a standard set of court forms (the "NC" series). These are the ones you'll touch most:
Every county may add local forms or tweak the workflow. Print the forms from the court's website or the courthouse, but confirm the exact packet with your clerk before you file.
- NC-100 - Petition for Change of Name: the main filing. It asks for the child's current and requested name and details about the parents. You'll attach a certified copy of the child's birth certificate.
- NC-100G - Petition for Change of Name (gender-neutral): a version that does not require the birth certificate and is designed for name changes tied to gender identity. Ask your clerk which version fits your case.
- NC-110 - Order to Show Cause for Change of Name: this form sets the hearing date and tells anyone who must be notified where and when to object.
- NC-120 - Decree Changing Name: the judge signs this if your petition is granted. It's your proof of the legal name change.
- NC-130 - Proof of Service: needed if the other parent (or another party) had to be notified and you served them with papers.
- FW-001 - Request to Waive Court Fees: not a name-change form, but essential if you can't afford the filing fee (see Section 5).
Step 2: What to prepare before you file
Before you walk into the clerk's office, gather:
On that passport question: a court order is the prerequisite, but a legal name change does not retroactively rewrite your child's existing documents. Each agency (passport, Social Security, DMV) has its own update process, and they each require the certified court decree. There is no "workaround" - the decree is the key, and the update forms for each agency are separate.
- The child's certified birth certificate (a copy issued by Vital Records, not a photocopy).
- Both parents' full legal names, addresses, and dates of birth - the forms ask.
- Documentation of guardianship, if you're a guardian rather than a parent (court orders, guardianship letters).
- The other parent's position. If they agree, they can sign the consent section on the petition - the fastest path. If they don't, you must plan to serve them with the Order to Show Cause (Form NC-110) so they get notice and a chance to object.
- Your child's input. The petition asks about the child's preference. For children 12 and older, the judge may want to speak with them directly.
Step 3: Where to file
Since county-specific details vary, ask your clerk of court where and how to file before you pay any fees.
- Court: the Superior Court in the county where the child lives.
- Location: each county has designated courthouses and filing windows for civil cases like name changes. The clerk's office handles the filing - you don't need a courtroom to submit.
- Self-help centers: most counties run a self-help center (often free) that walks you through the paperwork. Many are staffed to specifically help with name-change filings.
- Online: some counties let you start the process online or check filing requirements on their court website.
Step 4: Fees and costs
- Filing fee: a name change petition typically costs around $435$475 in most California counties, but the exact amount varies by county and changes over time - confirm the current fee with the clerk.
- Fee waiver: if you can't afford the fee, file Form FW-001 (Request to Waive Court Fees). If approved, the filing fee (and some related costs) is waived. This is an official option - not a favor from the court.
- Publication costs: for adult name changes, courts generally require notice published in a local newspaper. For minors the rules differ - check with your clerk whether publication is required in your case, and factor in the newspaper fee if it is.
- Certified documents: budget for certified copies of the decree (Form NC-120) and updated birth certificate - each agency you update will want its own certified copy.
Step 5: Timeline and the hearing
- Hearing date: when you file the petition and Order to Show Cause, the clerk sets a hearing date, usually several weeks to a couple of months out. How long depends on the county's calendar.
- Uncontested cases: in many counties, if both parents sign and no one objects, the judge may approve the change without anyone appearing in court. Some counties still require a brief appearance - ask.
- Contested cases: if the other parent objects, you'll have a real hearing. Both sides present their position and the judge decides based on the child's best interests.
- The child's involvement: for children 12 and older, expect the court to consider the child's preference - sometimes by talking with the child directly, either in open court or privately with the judge.
- Bring your decree: if the judge grants the petition, they sign Form NC-120 (Decree Changing Name) right there. Get certified copies before you leave.
After the court order: next steps
The court order is done - but the name isn't "official" in practice until you update the key records:
On that junk mail question: a legal name change won't instantly stop letters to the deadname. Marketing databases and data brokers keep old names for years. Updating official records helps, but expect to also opt out of prescreened credit offers and mail preference lists - and know that some junk mail simply won't catch up for a long time.
- Birth certificate: if the child was born in California, the court order lets you get an updated birth certificate from the California Department of Public Health (Vital Records). If the child was born in another state, contact that state's vital records office. The gender-neutral NC-100G route helps avoid hiccups here.
- Social Security card: update at the Social Security Administration (a free visit).
- Passport: apply for a new passport with the court decree and updated ID (this is where the r/trans passport question leads - the decree is the document that unlocks it).
- California DMV: update the child's state ID and any related records.
- School, doctor, insurance, bank accounts, sports leagues: all the places that hold a legal name.
Frequently asked questions
Q: Does my child's other parent have to agree? A: No - but they must be given notice and a chance to object. If they sign the consent section, the process is much faster and you may avoid a hearing.
Q: Can my child choose their new name? A: The court weighs the child's preference, especially for children 12 and older. The final call is the judge's, guided by the child's best interests.
Q: Do we need a lawyer? A: Not automatically. Most parents file pro se using the self-help center. If the other parent contests the change, a family law attorney becomes a much better idea.
Q: How long does the whole process take? A: From filing to decree, expect roughly 6 weeks to a few months depending on the county's hearing schedule - and whether the case is contested.
Q: Can we change the name if the child was born outside California? A: Yes. You file in the county where the child lives. The birth certificate update is then handled by the state where the child was born, not California.
Q: What if we can't afford the filing fee? A: File Form FW-001 (Request to Waive Court Fees) with your petition. If approved, the fee is waived.
Q: Will this stop mail and records still using the deadname? A: Updating official records helps, but old addresses and deadnames live on in marketing databases and data brokers for years. There's no single form that erases them - expect to update records one by one and opt out of mailing lists.
Q: Do I need to publish a newspaper notice? A: Adult name changes generally require it; rules for minors differ. Ask your clerk whether publication is required for your child's case.
Legal Disclaimer
> (Not legal advice): This page is general information based on California statewide procedures as of the verification date above. It is not legal advice, and it does not create a lawyer-client relationship. County rules, fees, and procedures vary. For your specific situation, consult the court self-help center or a licensed California attorney.
(Official sources):
This guide is general information based on FORM statewide procedures as of 2026-08-15, not legal advice, and does not create a lawyer-client relationship. County rules, fees, and procedures vary — for your specific situation, consult the court self-help center or a licensed attorney.
Ready to plan your next step? Use the name change cost calculator for a state-specific estimate, or check if you qualify for a fee waiver in 60 seconds.
Keep moving forward
Pair this guide with your state-specific rules or start from a pathway that matches your situation if you want a calmer next step.
More from Blog
State Guide • 8 min read
Adult Name Change Forms in Texas: What You Need to File (2026)
This page covers **Texas statewide** court process. **Who this applies to:** an adult. **Not covered:** minor child changes, adoption or paternity-based changes. County-specific details vary - ask your clerk of court.
State Guide • 8 min read
How to Change a Child's Name in Florida: Forms, Fees & Process (2026)
This page covers the **Florida statewide** court process for changing the name of a **minor child (under 18)**.