How to Respond to Divorce Papers in California (FL-120 Response)

You didn't start this. Someone handed you a stack of legal documents, and now there's a clock ticking. It's disorienting. Maybe you expected it, maybe you didn't, but either way you're now on the other side of a legal process that someone else set in motion.

Here's the first thing you need to know: being served with divorce papers does not mean your divorce is final. It doesn't mean you've lost anything. It means your spouse filed a petition, and now the court is waiting to hear from you.

You have 30 calendar days from the date you were served to file your Response. That Response is your voice in this case. It's how you tell the court what you want, what you agree with, what you don't, and what matters to you about your children, your finances, and your future.

If you don't file a Response, your spouse can ask the court to proceed without you. That's called a default, and it means the court may grant everything your spouse requested in the petition, with no input from you at all.

This article walks you through the entire process of responding to divorce papers in California: what you received, what the forms mean, how to file the FL-120, what else you need to submit, and what happens if you're running up against the deadline.

What You Received (and What It Means)

When you were served, you likely received a packet of documents. Understanding what each one does will help you make sense of the situation and prepare your response.

FL-100: Petition — Marriage/Domestic Partnership

This is the document your spouse filed to start the case. The Petition lays out what they are asking the court to do. It covers the basic facts of the marriage (when it started, whether there are children, etc.) and then makes specific requests about custody, support, property division, and other issues.

Pay close attention to page two. That's where the petitioner checks boxes indicating what they want the court to order. Some of those requests may be fine with you. Others may not. Your Response is where you address each one.

FL-110: Summons

The Summons is not just a formality. It activates a set of automatic temporary restraining orders, known as ATROs, that apply to both of you the moment the case is filed and served. These orders generally prohibit either party from removing children from the state, transferring or hiding assets, changing insurance beneficiaries, or taking on unusual debt. These restrictions exist to preserve the status quo while the case is pending. They apply equally to the petitioner and the respondent.

FL-105: Declaration Under Uniform Child Custody Jurisdiction and Enforcement Act (UCCJEA)

If there are minor children involved, you should have received this form as well. The FL-105 deals with jurisdictional questions: where the children have lived, whether there are other custody proceedings, and whether California is the proper state to make custody decisions. Even if the petitioner already filed their FL-105, you will need to file your own.

Read Everything Carefully

It can be tempting to skim these documents or set them aside because they feel overwhelming. Don't. Read the petition carefully, especially the specific requests. Understanding what your spouse is asking for is the foundation of your response.

How to Fill Out the FL-120 Response

The FL-120 is your main form. It's called "Response — Marriage/Domestic Partnership," and it mirrors the structure of the FL-100 Petition. Where the petitioner told the court what they want, the Response is where you tell the court what you want.

This isn't as complicated as it looks. You're going through the same issues your spouse addressed and stating your own position.

Where You Agree

If you agree with something the petitioner requested, you check the same box on your Response. For example, if your spouse requested joint legal custody and you agree, you indicate that on your form. Agreement is fine. It actually moves the case forward more efficiently.

Where You Disagree

If you disagree with a request, you check a different box and, where the form allows, explain your position. For instance, if the petitioner is requesting sole physical custody and you want joint physical custody, your Response is where you make that clear.

You don't need to write a legal argument at this stage. You just need to state your position. The details get worked out later, either through negotiation, mediation, or a hearing.

Making Your Own Requests

One thing most people don't realize is that the Response is not just a reaction to the Petition. You can make your own affirmative requests. You can ask for custody arrangements, spousal support, child support, attorney fees, or a specific division of property. The court will consider what both parties have requested.

This is important. Filing a Response doesn't just protect you from a default. It puts you on equal footing.

Page-by-Page Overview

Here's a general walkthrough of the FL-120:

Caption and case information. At the top of the form, you'll fill in your name, your spouse's name, and the case number. The case number is on the documents you were served with.

Legal grounds. California is a no-fault divorce state. The most common ground is "irreconcilable differences." In nearly every case, you'll check this box and move on.

Child custody and visitation. If there are minor children, you'll indicate what custody arrangement you want: legal custody (decision-making authority) and physical custody (where the children live). You can request joint or sole for either type.

Child support. You'll indicate whether you're requesting child support, and if so, the general terms. The actual amount is calculated using a guideline formula based on income and timeshare, but you're flagging the request here.

Spousal support. If you want to request spousal support, or if you want to preserve the court's ability to award it later, this is where you do that. If you don't check this box and the case moves forward, the court may not retain jurisdiction over spousal support, which means you could lose the right to request it at any point in the future. Even if you're unsure whether you need support right now, checking the box keeps the door open.

Property. You can request that the court divide community property and confirm separate property. You don't need to list every asset on the Response itself, but you're telling the court you want a fair division.

Other requests. The form includes space for additional requests, such as restoring a former name.

Take your time with this form. You don't need to get everything perfect on the first try, but you do need to file it within the deadline.

What Else You Need to File with Your Response

The FL-120 is the centerpiece, but it's not the only document you'll need to prepare.

FL-105: UCCJEA Declaration (If Children Are Involved)

Even if the petitioner already filed their own FL-105, you are required to file your own. This form asks about the children's living history for the past five years and whether there are any other custody proceedings in any state. It's straightforward but mandatory in cases involving minor children.

Preliminary Declaration of Disclosure

Within 60 days of filing your Response, you are required to serve your Preliminary Declaration of Disclosure on the other party. This is a separate but critical obligation. It consists of several forms:

FL-140 (Declaration of Disclosure): This is the cover sheet that lists what you're disclosing.

FL-142 (Schedule of Assets and Debts): A detailed inventory of all assets and debts you're aware of, whether community or separate.

FL-150 (Income and Expense Declaration): A comprehensive picture of your income, expenses, and financial situation.

The Preliminary Declaration of Disclosure is served on the other party, not filed with the court. But it must be done. Failing to complete it can delay your case significantly, and the court cannot enter a final judgment until both sides have exchanged disclosures.

If this feels like a lot of forms to keep track of, it is. This is one of the places where the deadline pressure really stacks up, because you're managing the 30-day Response deadline and a 60-day disclosure deadline simultaneously. CourtLoom can help you stay on top of both. The platform walks you through each required form, asks you plain-language questions, and generates court-ready documents so nothing gets missed or filed late.

Filing, Fees, and Service

Once your Response and accompanying forms are ready, you need to file them with the court and serve them on the other party.

Where to File

You file your Response at the same courthouse where the Petition was filed. The case number on your documents will tell you which court has the case. In Los Angeles County, for instance, there are multiple courthouses, so make sure you're filing in the right location.

Most California courts now accept electronic filing, which can save time and a trip to the courthouse.

Filing Fee

The filing fee for a Response in California is $435. Yes, the respondent pays the same fee as the petitioner.

If you cannot afford the filing fee, you can apply for a fee waiver by filing form FW-001. The court will review your financial situation and, if you qualify, waive the fee entirely. Don't let the cost stop you from filing. Losing your voice in the case because of a filing fee is a much worse outcome.

Serving Your Response

After you file your Response, you must serve a copy on the petitioner. For a Response (unlike the original Petition), service by mail is acceptable. You do not need to hire a process server.

However, you cannot serve the documents yourself. Any adult who is not a party to the case can mail it on your behalf, whether that's a friend, a relative, or a professional service.

One detail that trips people up: the proof of service form for mail service is FL-335 (Proof of Service by Mail), not FL-115. The FL-115 is used for personal service, which is how the original Petition was served on you. Since you're serving the Response by mail, the person who mails it fills out the FL-335, and you file that with the court. It's a small distinction, but courts care about the right form.

What If You're Past the 30-Day Deadline?

Life happens. Maybe you were overwhelmed. Maybe you didn't understand the deadline. Maybe you set the papers aside and lost track of time.

If you're past the 30-day deadline, don't panic. But do act quickly.

If No Default Has Been Requested

If the petitioner hasn't yet asked the court to enter your default, you can likely still file your Response. The court will generally accept a late Response as long as no default has been entered. File as soon as possible.

If Default Has Been Entered

If the petitioner has already requested a default, the situation is more serious, but the remedy depends on how far the case has progressed. There's an important distinction here.

A default means the clerk has noted that you failed to respond on time. At this stage, you've lost the ability to file a Response as a matter of right, but the case may not be final yet.

A default judgment means the court has gone a step further and actually entered a final judgment based on the petitioner's requests. This is a more advanced stage, and unwinding it is harder.

In either situation, California law provides a mechanism to seek relief. Courts can set aside a default or default judgment under certain circumstances, particularly where you can show a reasonable explanation for the delay, the request is made promptly, and you have a legitimate position on the merits. The rules distinguish between mandatory and discretionary grounds for relief, and the timeline for seeking that relief matters.

The key point is this: don't assume it's too late. Even if you've missed the deadline, there are steps you can take. But the longer you wait, the narrower your options become.

What Most People Don't Realize About the Deadline

The 30-day clock starts on the date you were personally served, not the date the petition was filed and not the date you actually read the documents. If you were served on March 1, your deadline is March 31, regardless of when you opened the envelope.

Also, if you were served by substituted service (the papers were left with someone at your home or workplace and then mailed to you), the deadline is extended. But the rules around alternative service methods can be tricky, so pay attention to how you were served.

What If You Agree on Everything?

Here's something that surprises a lot of people: even if you and your spouse agree on every issue, filing a Response is almost always the better move.

Filing a Response does not make the case contested. It does not create conflict. It simply ensures that you have an active role in the case and that the court cannot proceed without considering your position.

There are situations where parties proceed by default with a written agreement in place, and that can work. But unless you and your spouse have a clear, signed agreement and you fully understand the default process, filing a Response is the safer path.

The Uncontested Path

If both parties agree on custody, support, and property division, the case is considered uncontested. You and your spouse can work together to draft a Marital Settlement Agreement (MSA) that memorializes your agreement on all issues. The court reviews the MSA, and if everything is in order, the judgment is entered based on your agreement.

Filing a Response actually makes this process smoother in many cases. Both parties are active in the case, both are participating, and the court can process the judgment more efficiently.

Protecting Yourself Even When Things Are Amicable

Even in the friendliest divorces, circumstances can change. Your spouse may agree to something today and feel differently next month. If you haven't filed a Response and your spouse decides to push for a default, you'll have little leverage to stop it.

A Response costs you a filing fee and a small amount of time. It buys you protection for the entire case. That's a trade worth making every time.

Common Mistakes When Responding to Divorce Papers

A few pitfalls come up again and again. Avoiding them will save you time, stress, and potentially significant consequences.

Ignoring the papers. This is the biggest mistake. Whether out of denial, anger, or confusion, some people simply don't respond. The result is a default judgment that may not reflect what's fair.

Missing the spousal support checkbox. If you don't request spousal support (or at least reserve the court's jurisdiction to award it) in your Response, the court may terminate its authority over that issue entirely. Even if you're not sure whether you want or need support, check the box to preserve the option.

Forgetting the Preliminary Declaration of Disclosure. Filing the Response is step one, but you also need to serve your disclosures within 60 days. This is a separate deadline that catches many people off guard.

Not serving the Response properly. Filing with the court is only half the equation. You must also serve the other party and file proof that you did so. If you skip this step, the court may not recognize your Response as properly filed.

Assuming agreement means you don't need to respond. Even if your spouse says you don't need to file anything, filing a Response is almost always the safer choice. Verbal agreements are not enforceable, and unless you have a clear written agreement and understand the default process, your only real protection is being an active party in the case.

What This Means in Practice

Responding to divorce papers is not about winning or fighting. It's about showing up. The California family court system is designed to hear from both parties. When only one person participates, the outcome is one-sided by definition.

Your Response tells the court: I'm here, I have a position, and I want to be part of this process.

Whether you and your spouse agree on everything or disagree on every detail, the Response is the document that gives you standing. Without it, you're a bystander in your own case.

Frequently Asked Questions

How long do I have to respond to divorce papers in California?

You have 30 calendar days from the date you were personally served. The clock starts on the date of service, not the date the petition was filed or the date you read the papers. If you were served by substituted service or service by publication, different timelines may apply.

What happens if you don't respond to divorce papers in California?

If you don't file a Response within the deadline, the petitioner can request that the clerk enter your default. Once that happens, the court can proceed without your participation and may grant everything the petitioner requested. You lose your ability to contest custody arrangements, support amounts, and property division. In short, silence is treated as forfeiture.

How much does it cost to file an FL-120 Response?

The filing fee is $435, the same amount the petitioner paid to file the case. If you can't afford it, you can apply for a fee waiver using form FW-001.

Can I file my FL-120 Response online?

Many California courts now accept electronic filing. Check with the specific courthouse where your case was filed to confirm whether e-filing is available. The case number on your served documents will tell you which court to contact.

Do I need a lawyer to file a Response?

No. Many people file their Response without an attorney. The forms are standardized, and the process is designed to be accessible to self-represented parties. Tools like CourtLoom are built specifically to help you prepare your FL-120 and related forms without needing to hire a lawyer.

Practical Takeaways

Here's what you need to do:

Read the petition carefully. Understand what your spouse is asking for, especially regarding custody, support, and property.

Fill out your FL-120 Response. Go through it methodically. Agree where you agree. Disagree where you disagree. Make your own requests where appropriate.

Prepare additional forms. File the FL-105 if children are involved. Begin working on your Preliminary Declaration of Disclosure.

File your Response within 30 days. Pay the filing fee or apply for a fee waiver. File at the correct courthouse.

Serve your Response on the petitioner. Have someone other than yourself mail a copy and complete the Proof of Service by Mail (FL-335).

Start your disclosures. You have 60 days from filing your Response to serve the Preliminary Declaration of Disclosure.

If any of this feels overwhelming, that's normal. You didn't choose to start this process, and the learning curve is steep. But you don't have to figure it out alone. CourtLoom was built for exactly this situation. It walks you through every required form, explains what each question means in plain language, and generates documents that are ready to file with the court.

Start your Response now with CourtLoom →

Moving Forward

Being served with divorce papers is one of those moments that divides life into before and after. But the legal process itself is more manageable than it feels right now. You have rights. You have options. And you have a deadline that, once met, puts you on solid ground for the rest of the case.

The most important thing you can do right now is respond. Not react, not retaliate, just respond. File the form. State your position. Show up.

For a complete overview of how the divorce process works in California, see our step-by-step divorce guide. And if you're the one who filed, read our companion guides to the FL-100 Petition and FL-110 Summons to understand the full picture.

This article is for informational purposes only and does not constitute legal advice. Every situation is different, and you should consult with a qualified attorney if you have questions about your specific circumstances. CourtLoom is a document preparation service, not a law firm, and does not provide legal representation.