Prenuptial Agreement Attorney in Phoenix, AZ

A prenuptial agreement attorney in Phoenix drafts a written Arizona agreement that decides, before you marry, which property stays yours, which becomes shared, and what happens to both if the marriage ends. Without one, Arizona community property law makes most of what either of you earns during the marriage shared.

Maybe you own a business or a home, you're carrying debt, or you just want an honest money talk before the wedding. Francisca F. Manchac has helped couples plan for more than 18 years, and she has litigated her own prenuptial agreement, so she drafts each one with a courtroom in mind. Every agreement is quoted as a flat fee before work begins. Call (832) 263-0935 to schedule a free consultation.

Francisca F. Manchac | Licensed in Arizona and Texas | Last Updated: October 2026

Arizona and Texas Attorney Francisca Manchac

Key Takeaways

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In Arizona, property you own before marriage and the rent, interest, and profits it earns stay separate by law, but paychecks earned during the marriage are community property.

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A judge can order spousal maintenance despite a waiver if the waiver would leave a spouse eligible for public assistance at divorce.

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Arizona pauses the deadline to sue over a prenup for as long as the marriage lasts, so an agreement signed today may be tested decades from now.

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An Arizona prenup can't reduce a child's right to support, and it doesn't decide custody or parenting time.

Who Needs a Prenup in Phoenix?

You need a prenuptial agreement if you're getting married in Arizona and want something other than community property rules to decide what's yours.

That includes Phoenix business owners, homeowners, parents with children from a prior relationship, people expecting an inheritance, and anyone bringing large savings or debts into the marriage. A prenup isn't only for the wealthy. Couples starting out often use one to keep student loans separate and set fair rules for future savings. Each one is drafted under Arizona law as part of the firm's prenuptial, postnuptial, and cohabitation agreement services. The firm drafts, negotiates, and reviews agreements. It does not handle divorces, custody cases, or court challenges to an agreement, and it refers that work to trusted litigation counsel.

Common Situations Handled

Most Phoenix couples call when one of these situations makes the default rules feel risky.

Owning a Business

A company you own before marriage starts as separate property. If your work during the marriage grows it, the community may claim part of that growth unless a prenup sets the rule.

A Home You Already Own

Mortgage payments made with paychecks during the marriage can give your spouse a claim to part of the equity. A prenup can decide how that works.

Remarrying With Children

You want to protect what you've set aside for your kids. A prenup for a second marriage works hand in hand with your estate plan.

Student Loans or Other Debt

A prenup records who owes what going in. It can also set who pays debts taken on during the marriage.

An Expected Inheritance

An inheritance is separate property in Arizona, but it can lose that status once it's mixed into a joint account. A prenup sets clear rules for keeping it apart.

Income From Ideas or a Brand

Creators, consultants, and professionals can address intellectual property and the future value of a practice or brand.

Why Hiring a Prenuptial Agreement Attorney Matters

A prenup gets tested years later, often in front of a judge, and small drafting gaps decide whether it holds up. The time to close those gaps is before anyone signs.

What Goes Wrong Alone

Online forms skip disclosure schedules, get signed days before the wedding, or use vague terms for a house or business that a judge has to sort out later.

What Experience Adds

Francisca litigated her own prenup. She knows which clauses get attacked, and she builds the disclosure record that keeps an agreement enforceable.

How Outcomes Differ

A clear agreement keeps a divorce shorter and more private. A weak one becomes the first thing both sides fight about.

“

Francisca really listened and helped me to understand what I needed to include in my prenup. I really appreciated being able to text the office when I had a question.

Christine · Prenuptial agreement client

Who Is Involved?

A prenup involves you, your partner, and two separate attorneys, each with a defined role. Here's who does what.

You

Share your goals and finances, and decide what you're asking for.

Your Partner

Shares their own finances and signs freely after their own review.

Your Attorney

Francisca represents you, drafts the agreement, and negotiates changes.

Your Partner's Attorney

Reviews the draft for your partner and gives independent advice.

Your CPA or Advisor

Helps value a business, accounts, or property for the disclosure schedules.

What Your Prenuptial Agreement Includes

Your engagement produces a signed Arizona premarital agreement with full financial disclosure attached. You also get clarity: both of you know exactly what the agreement does before the wedding day.

What You Receive

  • Premarital Agreement: Sets separate and community property, debts, and division if the marriage ends.
  • Financial Disclosure Schedules: List each partner's assets, debts, and income, attached to the agreement.
  • Spousal Maintenance Terms: Limit, waive, or set support, including springing clauses that apply only if set conditions occur.
  • Estate Plan Coordination: Lines up the agreement with your will, trust, life insurance, and beneficiary forms.

What You Avoid

  • Default Community Rules: Arizona law deciding what's shared instead of the two of you.
  • Business Growth Fights: Arguments over how much a company grew during the marriage, and why.
  • Commingling Disputes: Separate money that turns shared because the paper trail ran out.
  • A Drawn-Out Divorce: A long court fight over property you could have settled now.

Is a Prenup Enforceable in Arizona?

Yes. An Arizona prenup is enforceable when it's in writing, signed by both partners voluntarily, and not unfair in a way the other partner couldn't see coming. These three rules matter most for Phoenix couples.

2 Signatures: What Makes It Valid

Under A.R.S. 25-202, a premarital agreement must be in writing and signed by both partners. It needs no payment or exchange to be binding, and it takes effect the day you marry. After the wedding, you can change or revoke it only with another written agreement signed by both spouses.

2 Defenses: When an Arizona Prenup Fails

A court won't enforce a prenup if a spouse proves they didn't sign voluntarily. It also fails if it was unconscionable when signed and that spouse got no fair disclosure of the other's property and debts, didn't waive disclosure in writing, and had no adequate knowledge of them. A judge, not a jury, decides whether terms were unconscionable.

Separate by Default: Income From Separate Property

Under A.R.S. 25-213, property you own before marriage, gifts, inheritances, and the rent, interest, and profits they produce stay your separate property. Wages earned during the marriage are community property, though. That's why Arizona prenups focus on paychecks, retirement contributions, and business growth driven by a spouse's work.

How Do You Get a Prenup in Phoenix?

You get a prenup in five steps, from a free video consultation to a signed agreement, with a flat fee set before work begins.

01

Free Consultation and Intake

Book a Prenuptial or Postnuptial consultation and complete the intake form at least 24 hours ahead. Francisca learns your goals and your wedding timeline.

02

Financial Disclosure

You and your partner list your assets, debts, and income. Francisca turns them into schedules attached to the agreement.

03

Drafting and Review

Francisca drafts the agreement and walks you through every clause in plain language. You can text the office with questions.

04

Partner's Attorney Review

Your partner's own attorney reviews the draft, and Francisca negotiates any changes with them.

05

Signing Before the Wedding

You both sign well before the wedding, so no one can say they felt rushed or pressured.

Common Questions About Prenuptial Agreements in Phoenix

Something else on your mind? Call or text (832) 263-0935.

How much does a prenup cost in Phoenix?

Francisca drafts prenuptial agreements for a flat fee, so you know the full cost before work begins and never pay by the hour for questions or revisions within the scope you agree on. The fee depends on how much your agreement needs to cover, such as a business, a home, retirement accounts, or spousal maintenance terms. Your partner pays their own attorney for an independent review. Your first step is a free 30-minute virtual consultation, where Francisca reviews your goals and quotes your flat fee. Compare that cost with the price of a contested property fight later, which can run far higher.

Can I write my own prenup in Arizona?

Yes. Arizona doesn't require an attorney, and a written agreement signed by both partners can be valid. Online prenup services also advertise low flat prices for couples. The risk is that self-made agreements tend to fail where it counts. They often skip disclosure schedules, use vague terms for a business or home, get signed in a rush before the wedding, or try to limit child support, which Arizona won't allow. Any one of those gaps gives a spouse an opening to challenge the agreement years later. A flat-fee agreement drafted by an attorney costs far less than litigating a weak one.

What does a prenup do in Arizona?

A prenup replaces Arizona's default property rules with rules the two of you choose. Arizona law lets the agreement cover who owns property and how it's managed, how property is divided at separation, divorce, or death, spousal maintenance, life insurance death benefits, and which state's law applies. It can also require either spouse to sign a will or trust that carries out its terms. Most couples use one to keep a business, a home, or premarital savings separate and to set fair rules for what they build together. It can't reduce child support, and it doesn't decide custody.

Is Arizona a 50/50 divorce state?

Arizona is a community property state. Most property either spouse earns or buys during the marriage belongs to both, and a court divides it equitably at divorce, which usually means close to equally. Each spouse keeps their separate property, such as what they owned before the wedding, gifts, and inheritances. A prenup lets you change those defaults. You can agree that each spouse's earnings stay separate, that a business remains with its owner, or that a home is split a certain way. Without one, a judge applies the default rules to everything you build together.

Can you get a prenup after you're already married?

Not a prenup, but you can sign a postnuptial agreement with similar goals. Arizona added a statute for postnups that took effect in September 2026, and it sets a stricter test than the one for prenups. A postnup must be free of fraud, coercion, or undue influence, both spouses must have full knowledge of the property and their rights, and the terms must be fair and equitable. Couples often sign one after starting a business or receiving an inheritance. If the wedding is close and there's no time for a careful prenup, ask Francisca whether a postnup fits better.

How far before the wedding should we sign a prenup?

Sign weeks before the wedding, not days. Arizona has no fixed deadline, but timing affects whether a court believes both partners signed voluntarily. An agreement presented the night before the ceremony, after deposits are paid and guests have traveled, invites a claim of pressure. Francisca recommends starting as soon as you're engaged, which leaves time for disclosure, an independent review, and negotiation without anyone feeling rushed. Rushed signings are a frequent target when a prenup is challenged. If your date is close, ask about a postnuptial agreement instead.

Do we both need our own lawyers for a prenup?

Arizona law doesn't require it, but the firm strongly recommends it. One attorney can't represent both partners in a prenup, because their interests differ. When each partner has independent counsel, it's much harder for either one to claim later that they didn't understand the agreement or signed under pressure. Francisca represents one partner and works with the other partner's attorney to reach terms you both accept. If your partner already has a draft from their lawyer, Francisca can review it for you before you sign.

Can an Arizona prenup waive spousal maintenance?

Yes, with one built-in limit. An Arizona prenup can reduce, waive, or set terms for spousal maintenance. Many couples use a springing clause, which pays support only if set conditions occur, such as a divorce after a certain number of years. The limit is public assistance. If a waiver would leave one spouse eligible for public assistance at separation or divorce, a judge can order the other spouse to pay enough support to prevent that, whatever the agreement says. Francisca drafts maintenance terms with that rule in view, so the rest of the agreement stands.

What happens to our prenup if one of us dies?

It still applies. Arizona lets a prenup decide what each spouse receives at death, including community property, life insurance proceeds, and rights a surviving spouse would otherwise have. The agreement can also require each of you to sign a will or trust that carries out its terms. That's why your prenup and estate plan should match. If you have children from a prior relationship, a blended family estate plan works with the agreement so everyone is protected. Review both after big changes, such as a new child, a business sale, or a move.

Does a prenup need to be notarized in Arizona?

No. Arizona requires a prenup to be in writing and signed by both partners, and it doesn't require a notary to be valid. Notarizing is still a good idea. A notary's acknowledgment makes it harder for a spouse to claim later that they never signed, and it lets the agreement be recorded if it affects real estate, such as a Phoenix home that will stay separate property. Francisca coordinates your signing so each signature is properly acknowledged, and both of you leave with a complete signed copy and its disclosure schedules.

Areas We Serve

The Law Offices of Francisca Manchac, PLLC serves engaged couples across Maricopa and Pinal Counties, and throughout Arizona, with consultations and drafting reviews by video, so you can meet from home or work. Arizona's premarital agreement rules apply statewide, and an agreement that covers a separate-property home can be recorded with the county recorder, such as the Maricopa County Recorder's Office. Visit the Phoenix office page to see every service available to Arizona clients.

Maricopa County

Pinal County

All of Arizona

Image about Phoenix Arizona and the surrounding areas

Get Started With a Prenuptial Agreement Attorney in Phoenix

A prenup works best when you sign it well before the wedding, with time for both of you to review it. Start with a free 30-minute virtual consultation with Francisca. Call (832) 263-0935 or book online.