How to File for Legal Separation in Arizona: Forms, Service, and Decree

To file for legal separation in Arizona, you prepare a petition and related forms, file them with the Clerk of the Superior Court in your county, pay the filing fee, formally serve your spouse, and then wait at least 60 days before a judge can enter a decree. The marriage stays legally intact, but the court can divide property, set custody and parenting time, and order spousal maintenance. One warning before you start: if your spouse objects to legal separation, the statute requires the court to amend the pleadings and treat the case as a divorce instead.¹

Confirm You Can File

Arizona only requires that at least one spouse be domiciled in the state, or stationed here as a military member, on the day the petition is filed.¹ There is no 90-day residency wait like there is for divorce.² You also have to show that the marriage is irretrievably broken or that one or both of you want to live separate and apart. No fault needs to be proven in a standard marriage.

The objection rule is worth repeating because it reshapes the whole case. If your spouse responds and says they want a divorce or no action at all, the judge must direct that the papers be amended to seek dissolution.¹ You cannot force a legal separation over a spouse’s objection.

Covenant marriages are a separate track. If you entered one, you cannot file on the simple “live separate and apart” basis. You have to prove one of the specific statutory grounds, such as adultery, abandonment of at least one year, a felony conviction with imprisonment, abuse, habitual substance abuse, or both spouses agreeing to the separation.³

Prepare the Forms

Forms are available from the Clerk of the Superior Court in your county or through the Arizona Judicial Branch’s self-service center online.⁴ You will need the main petition and several accompanying documents.

Petition for Legal Separation. The core document. You identify both spouses, state the date of the marriage, and set out everything you are asking the court to decide: property division, legal decision-making and parenting time if you have minor children, and spousal maintenance.
Summons. The formal notice that tells your spouse a case has been filed and when they have to respond.
Preliminary Injunction. An automatic order that takes effect when the case is filed. It stops either spouse from selling or hiding property, canceling insurance, or taking the children out of state.
Notice of Right to Health Insurance Coverage. Tells both parties about their rights to continue coverage.

Fill the petition out carefully. List community property and debts in detail: bank accounts, retirement accounts, real estate, vehicles, and anything else of value. If you have minor children, state what you want for legal decision-making authority and lay out a proposed parenting time schedule.⁴ Vague requests give the judge less to work with, and a default decree cannot grant anything beyond what the petition asked for.

File and Pay the Fee

Take the originals and copies to the Clerk of the Superior Court in your county. The statewide base filing fee for a legal separation petition is $261, which includes surcharges for document storage, spousal maintenance enforcement, and the conciliation court fund.⁵ Counties add local fees on top. In Maricopa County the total is $376.⁶ Call or check your county clerk’s website before you go so the number does not surprise you.

If the fee is out of reach, Arizona has both waivers and deferrals. A full waiver is available if you receive Supplemental Security Income. A deferral or payment plan is available if you receive TANF or food stamp benefits, get help from a nonprofit legal aid provider, or have income between 150% and 225% of the federal poverty level. File the Application for Deferral or Waiver of Court Fees and Costs with supporting documentation.⁷

Serve Your Spouse

Once the clerk processes your filing, you have to formally deliver the papers to your spouse. You cannot hand them over yourself. Arizona recognizes two practical routes.

Registered process server or sheriff’s deputy. A professional locates your spouse and hand-delivers the documents, then files an affidavit of service with the court. Fees vary, so ask about cost before hiring.⁸
Acceptance of Service. If your spouse will cooperate, you give or mail them the documents with an Acceptance of Service form. They sign it in front of a notary and return it to you, and you file it with the court. This is the cheapest route because there is no process server fee.⁸

Your spouse does not have to agree to accept papers or sign anything when a process server delivers them. Service is complete the moment the documents are handed over.⁹ If the process server does not file the affidavit of service directly, make sure you get it and file it yourself. Without proof of service in the record, the case goes nowhere.

What Happens After You File and Serve

Two clocks start when service is complete. Your spouse has 20 days to file a formal response if served inside Arizona, or 30 days if served outside the state.¹⁰ At the same time, a mandatory 60-day waiting period runs before the court can hold a hearing or enter any final orders.¹¹ Even in the smoothest case, nothing final happens before day 60.

If Your Spouse Doesn’t Respond

Once the 20 days pass with no response, you can file an application for default. The application must include proof of service and the last known address of your spouse.¹² The court can then enter a default decree based on what the petition asked for, without your spouse’s participation.

If You Already Agree on Everything

Couples who have worked out the terms together have a shorter route. Arizona allows a summary consent decree where both spouses file a combined petition and response and waive formal service.¹³ You submit your written agreements and a proposed decree within 60 days of filing. The 60-day waiting period still runs, but you skip service and the back-and-forth of a contested case.

Parent Information Program for Cases With Children

If minor children are involved, both parents must complete a Parent Information Program class within 45 days of the petition being served. You and your spouse attend separate sessions. Provider fees are capped at $50, and if your court fees were waived or deferred, the class fee can be too.¹⁴ Skipping it can block you from later asking the court to modify or enforce the decree.

What the Decree Will Cover

The decree you are working toward will divide community property and debts, set any child-related orders, and decide whether spousal maintenance is owed. Arizona is a community property state, and property acquired after the petition is served is generally treated as the separate property of whoever acquired it, provided the petition eventually results in a decree.¹⁵ Spousal maintenance uses the same standards as in divorce, looking at things like the length of the marriage, each spouse’s earning ability, and the standard of living you maintained together.¹⁶

One practical point to check before you file: health insurance. Many people choose legal separation specifically to stay on a spouse’s employer plan, but whether that works depends on the plan’s terms. Some plans treat legal separation like divorce and end coverage; others continue it. Ask the plan administrator before you assume separation protects your coverage.

1
Arizona Legislature. Arizona Revised Statutes Title 25-313 – Decree of Legal Separation; Findings Necessary; Termination of Decree
2
Arizona Legislature. Arizona Revised Statutes Title 25-312 – Dissolution of Marriage; Findings Necessary
3
Arizona Legislature. Arizona Code 25-904 – Decree of Legal Separation; Grounds
4
Arizona Judicial Branch. Court Forms and Instructions
5
Arizona Judicial Branch. Superior Court Filing Fees
6
Maricopa County Clerk of Superior Court. Filing Fees
7
Arizona Judicial Branch. Fee Waiver and Deferral
8
Superior Court of Arizona in Maricopa County. Helpful Information on Serving the Other Party
9
Superior Court of Arizona in Maricopa County. Service in a Civil Case: Frequently Asked Questions
10
Arizona Judicial Branch. Arizona Rules and Statutes Timelines
11
Arizona Legislature. Arizona Revised Statutes Title 25-329 – Waiting Period
12
New York Codes, Rules and Regulations. Arizona Rules of Family Law Procedure – Rule 44, Default
13
Arizona Legislature. Arizona Revised Statutes Title 25-314.01 – Summary Consent Petition and Decree
14
Arizona Legislature. Arizona Revised Statutes Title 25-351 – Domestic Relations Education; Plan; Administration
15
Arizona Legislature. Arizona Revised Statutes Title 25-211 – Property Acquired During Marriage as Community Property; Exceptions; Effect of Service of a Petition
16
Arizona Legislature. Arizona Revised Statutes Title 25-319 – Maintenance; Guidelines; Computation Factors