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How to File for Legal Separation in California: Steps, Forms and Costs

Written by: Clarissa Lopez
Reviewed by: Jordan Walker, J.D.

Last Updated: November 2026 | Reading Time: 12 Minutes

Key Takeaways

  • Legal separation in California uses the same court forms and steps as a divorce. You check the “legal separation” boxes instead.
  • Only one spouse needs to live in California to file, and there’s no minimum time.
  • There’s no 6-month waiting period, but the court generally needs both spouses to agree to a legal separation instead of a divorce.
  • The court can divide property and debts and make orders about support, custody and parenting time, but you stay legally married.
  • The filing fee is usually $435 to $450, and you can ask for a fee waiver if you can’t afford it.
  • You can usually change a legal separation case to a divorce before it’s final.

 

To file for legal separation in California, you fill out the Petition (FL-100) and Summons (FL-110), check the boxes for legal separation, file them with the Superior Court, serve your spouse, exchange financial disclosures and finish with a judgment. Only one spouse must live in California, and there’s no 6-month waiting period.

Deciding to separate is hard, even when you’re not ready to divorce. Maybe your faith matters to you, you’re worried about health insurance, or you simply need time to decide. Legal separation can give you court orders that protect your finances and your children while you stay married.

We’ll walk through each step, the forms you’ll need, what it costs and what to watch out for. If you’d rather talk it through first, our California legal separation attorneys can help.

In this guide, we’ll explain:

  • What legal separation means in California
  • How it’s different from divorce and from a trial separation
  • Who can file and when both spouses must agree
  • Each step of the filing process, with the forms
  • Costs, timelines and how to change a separation into a divorce

A legal separation is a court judgment that sorts out the same issues as a divorce while you stay married. The court can divide your property and debts, order spousal or child support, and make custody and parenting time orders. Because you’re still married, neither of you can remarry or register a new domestic partnership.

For a broader look at the concept, see what legal separation means.


The process is nearly identical, but a few rules are different.

Legal separation Divorce Trial separation
Marital status at the end Still married Marriage ends Still married
Residency to file One spouse lives in California, no time minimum One spouse in California 6 months and the county 3 months No court case
Waiting period None At least 6 months from service or response None
Spouse’s agreement Generally needed for the judgment Not needed Not applicable
Court orders on property, support and children Yes Yes No, unless you file a separate case
Can remarry No Yes No

A trial separation is just living apart without a court case. It doesn’t create court orders, so it can leave money and parenting questions unresolved.

Who Can File for Legal Separation in California?


You can file if you or your spouse lives in California. Unlike a divorce, there’s no requirement that you’ve lived here for a set amount of time. This is why some spouses who just moved here file for legal separation first and change the case to a divorce once they meet the divorce residency rules.

There’s an important catch. Under Cal. Fam. Code § 2345, the court can’t enter a judgment of legal separation without both spouses’ consent, unless the other spouse never responds to the case. If your spouse responds and asks for a divorce instead, the case may end in divorce once residency is met.

How to File for Legal Separation in California Step by Step


Step 1: Fill Out the Petition and Summons

Start with the Petition (FL-100) and the Summons (FL-110), and check “legal separation” on the petition. If you have children under 18, you’ll also need the custody jurisdiction declaration (FL-105). For help, see our guides to completing the FL-100 petition and common California family law forms.

Step 2: File With the Superior Court and Pay the Fee

File your forms with the Superior Court in the county where you or your spouse lives. The filing fee is usually $435 to $450, depending on the county. If you can’t afford it, you can ask for a fee waiver with form FW-001.

Step 3: Serve Your Spouse

Someone 18 or older who isn’t part of the case must serve your spouse with copies of the filed papers. They then complete a Proof of Service (FL-115), which you file with the court.

Step 4: Your Spouse Responds

Your spouse generally has 30 days after being served to file a Response (FL-120). They’ll usually pay a filing fee too, unless they qualify for a fee waiver. In their response, they can agree to a legal separation or ask for a divorce.

Step 5: Exchange Financial Disclosures

Both spouses must share financial information using the Declaration of Disclosure (FL-140), the Schedule of Assets and Debts (FL-142) and the Income and Expense Declaration (FL-150). These are required whether you’re separating or divorcing. Learn more about California financial disclosures.

Step 6: Ask for Temporary Orders, If Needed

If you need help right away, either spouse can ask the court for temporary orders about custody, parenting time, child support, spousal support or who stays in the home. These stay in place until the final judgment.

Step 7: Reach an Agreement or Go to Trial

Most couples try to settle the issues through negotiation or mediation. If you can’t agree, a judge will decide at a hearing or trial.

Step 8: Get Your Judgment of Legal Separation

Once everything is settled, you submit a proposed Judgment (FL-180) and the supporting forms. The legal separation becomes official when the judge signs the judgment. There’s no 6-month wait, so an agreed case can finish as soon as the paperwork is complete and approved.

Legal Separation Checklist: Documents to Gather


  • Marriage certificate and dates of marriage and separation
  • Recent pay stubs and the last two years of tax returns
  • Bank, retirement and investment account statements
  • Mortgage, deed and loan documents
  • Credit card and other debt statements
  • Health insurance and benefits information
  • Your children’s schedules, school information and child care costs
  • Any prenuptial or postnuptial agreement

How Much Does It Cost to File for Legal Separation in California?


The court filing fee is usually $435 to $450, and your spouse typically pays a similar fee to respond. You may also pay for service, copies and, if needed, mediation or parenting classes. Fee waivers are available if you qualify.

Your total cost depends mostly on how much you and your spouse agree on. An agreed legal separation costs far less than a contested case with hearings and expert valuations. For a breakdown, see our guide to California divorce costs, since the costs are similar.

How Long Does Legal Separation Take in California?


Because there’s no 6-month waiting period, an agreed legal separation can be finalized as soon as the court approves the paperwork. Contested cases take longer, often many months, depending on the issues and the court’s schedule.

Once it’s final, a legal separation has no end date. It lasts until you reconcile or one of you files for divorce.

How Does Legal Separation Affect Children, Support and Finances?


Children: The court can make custody, parenting time and child support orders, just as in a divorce. Estimate support with our California child support calculator. If you need help with a parenting plan, our Oakland child custody lawyers and our San Jose child custody team can assist.

Property and debts: The court divides your community property and debts under the same rules as a divorce. Learn about California community property rules.

Spousal support: A spouse may receive support just as in a divorce. See spousal support in California.

Benefits: Some couples choose legal separation to keep a spouse on a health plan or other benefits. Whether that works depends on the specific plan’s rules, so check with the plan before you file.

Pros and Cons of Legal Separation in California


Possible advantages Possible disadvantages
Respects religious or personal beliefs about divorce You can’t remarry
May allow continued health or other benefits, depending on the plan You may need a second case later if you decide to divorce
No residency time requirement and no 6-month wait Both spouses generally must agree to separation instead of divorce
Court orders protect finances and children Costs are similar to a divorce
Leaves room to reconcile Being married can still affect some finances, taxes and benefits

For help weighing these, read whether legal separation is right for you.

Can You Change a Legal Separation to a Divorce?


Usually, yes. Before the judgment is final, you may be able to amend your petition to ask for a divorce, often once you meet the divorce residency rules. And a judgment of legal separation doesn’t stop either spouse from filing for divorce later. Since California is a no-fault divorce state, either spouse can generally end the marriage later.

If you’re ready to move from separation to divorce, our Oakland divorce lawyers and San Jose divorce attorneys can help you make the change.

Can You File for Legal Separation Without a Lawyer?


Yes. The forms are free, and every California county has a self-help center or family law facilitator who can explain the forms, though they can’t give legal advice.

Filing on your own can work if you agree on everything and your finances are simple. It’s riskier if you have children, a home, retirement accounts, a business, significant debt or safety concerns. Because a legal separation divides property and sets support, mistakes can be hard to fix later.

Example: Choosing Legal Separation


Here’s an illustrative example, not a real case.

Elena and Marco have been married 22 years and live in Oakland. Their faith is important to them, and Marco relies on Elena’s employer health plan. After confirming that the plan allows a legally separated spouse to stay covered, they file for legal separation, agree on a support amount and divide their savings. The judge signs their judgment about four months after filing. They stay married, live separately and have clear court orders in place.

What Not to Do During a Legal Separation

Don’t hide or move assets.

Full financial disclosure is required.

Don’t assume your spouse will agree to separation.

They can ask for divorce instead.

Don’t stop paying shared bills without a plan.

Missed payments can hurt both of you.

Don’t plan to remarry.

You’re still legally married.

Don’t assume benefits continue.

Check the plan rules first.

Don’t skip the parenting plan.

Clear schedules help your children adjust.


 

Can my spouse stop a legal separation in California?

Generally, yes. Under Cal. Fam. Code § 2345, the court can’t enter a judgment of legal separation unless both spouses consent, or the other spouse never responds to the case. If your spouse responds and asks for a divorce, the case may end in divorce instead, once the residency requirement is met.

Do I have to live in California for 6 months to file for legal separation?

No. To file for legal separation, only one spouse must live in California, and there’s no minimum time. The 6-month state and 3-month county residency rule applies to divorce. Some spouses file for legal separation first and change the case to a divorce once they meet that rule.

Is legal separation temporary?

Not once it’s final. A judgment of legal separation stays in place until you reconcile or one spouse gets a divorce. Before the judgment, the process can feel temporary because temporary orders may be in place while you work out the final terms of your separation.

Can I keep my spouse on my health insurance after a legal separation?

It depends on your plan. Some employer and private plans allow a legally separated spouse to stay covered, and others don’t. Check your plan’s rules, or ask your benefits administrator, before you file, so you know whether legal separation will meet your goals.

Do we have to divide property in a legal separation?

Usually, yes. A legal separation generally divides your community property and debts, just like a divorce. You can agree on how to divide them, or a judge will decide. Dividing property can also help separate your finances going forward, which is often one of the main reasons couples choose legal separation.

Can I date during a legal separation in California?

You can, but you can’t remarry or register a new domestic partnership because you’re still legally married. If you have children or support issues, a new relationship can come up in your case. It’s wise to talk with an attorney about how it might affect your situation.

Is legal separation the same as a trial separation?

No. A trial separation is simply living apart without going to court, so there are no court orders. A legal separation is a court case that ends with a judgment dividing property and debts and setting support and parenting orders, while you stay married.

How do I turn a legal separation into a divorce?

Before your legal separation is final, you may be able to amend your petition to ask for a divorce, often once you meet the residency rules. After a judgment of legal separation, either spouse can file a new case for divorce. The 6-month divorce waiting period then applies.

Why California Families Choose Modern Family Law


At Modern Family Law, we focus only on family law. Our California family law offices help couples choose between legal separation and divorce and handle every step of either process.

We serve families across the Bay Area from our Oakland family lawyers and San Jose family lawyers, and we’ll soon serve the North Bay from our Petaluma office, opening soon. We’ll explain your options in plain language and help you protect your finances and your children.

Talk to a California Family Law Attorney

Whether you’re sure about legal separation or still deciding, you don’t have to figure it out alone. Reach out to schedule a consultation with Modern Family Law, and we’ll help you understand your options and next steps.

Related Resources

This article is for general information and isn’t legal advice. Laws vary by state and change over time; speak with a licensed family law attorney about your situation.


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