Prenuptial Agreement Lawyers in Washington

Washington-licensed attorneys drafting prenuptial and postnuptial agreements for couples across the state. Flat-fee pricing, a fully virtual process, and an experienced attorney managing your agreement from consultation through signing.

WA

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Licensed Washington Attorney
Flat-Fee, No Hourly Billing
Process Completed in 2-3 Weeks

What You Need to Know About Prenups in Washington

Washington is a community property state. Under RCW 26.16.030, almost everything a couple earns or acquires during the marriage is owned equally by both spouses, regardless of whose name is on the paycheck, the account, or the title. That makes a prenuptial agreement matter more in Washington, not less. Without one, the community property system decides how your assets and income are classified, and a court divides them in a divorce. A prenuptial agreement lets you opt out of those default rules and define for yourselves what stays separate and how property is handled.

Unlike many states, Washington has not adopted the Uniform Premarital Agreement Act. There is no single prenup statute. Instead, the validity of a Washington prenuptial agreement is governed by case law, supported by community property statutes in the Revised Code of Washington. 

Washington courts evaluate a prenuptial agreement under a two-part fairness analysis:

  • First, the court asks whether the agreement is substantively fair, meaning whether it makes a fair and reasonable provision for the spouse who is not seeking to enforce it. If the agreement is substantively fair, it is valid.
  • If the agreement is not substantively fair, the court then asks whether it is procedurally fair. That requires two things: full disclosure of the amount, character, and value of each party’s property, and that the agreement was entered into fully and voluntarily, with independent advice and full knowledge of each party’s rights. If both procedural conditions are met, the agreement can still be enforced.

To give a Washington prenuptial agreement the best chance of holding up, it should:

  • Be in writing and signed by both parties. Oral agreements are not enforceable.
  • Be entered into voluntarily, without pressure or coercion.
  • Be supported by full and fair financial disclosure from both parties.
  • Give each party a genuine opportunity to consult independent counsel.
  • Be signed well before the wedding. Washington courts scrutinize last-minute signing because it raises questions about voluntariness.

Notarization is not required by statute in Washington, but it is strongly recommended and is standard practice. Our process includes coordinated online notarization.

What a prenup can cover in Washington

  • Which property is separate and which is community property
  • Division of assets and debts in the event of divorce or death
  • Treatment of future earnings, appreciation, and reinvested income
  • Protection of a business, professional practice, or future business interests
  • Spousal support (within limits)
  • Estate and death-benefit provisions consistent with Washington law

What a prenup cannot do in Washington

  • Set or limit child support, custody, or visitation. These are decided by the court based on the child’s best interests.
  • Eliminate spousal support in a way that leaves one spouse indigent or dependent on public assistance.
  • Include “lifestyle” or moral clauses, such as penalties for infidelity or rules about household duties. Washington courts will not enforce these.
  • Require either party to break the law or violate public policy.

Because Washington has no prenup statute, enforceability comes down to fairness, and the safest path is procedural fairness: full financial disclosure, independent counsel, and signing well before the wedding. An agreement that is substantively fair to both parties is valid on its own. But the strongest Washington prenups satisfy both prongs, so a court has no opening to set the agreement aside when it matters most.

OUR METHODOLOGY

How the Process Works

Schedule a Consultation

$150, credited toward your agreement.

01
02
We Draft Your Agreement

Custom to Washington law, no templates.

Review and Negotiation

Revisions included in the flat fee.

03
04
Signing and Execution

Fully virtual, with online notarization coordinated for you. Because Washington courts weigh timing and voluntariness heavily, we build in time to sign well before the wedding rather than at the last minute.

Simple, transparent pricing

Flat fee. Clear scope. No surprises.

Standard Prenup
 

PRENUP FLAT FEE
$3,500
Postnup Flat Fee: $4,500

Negotiated Prenup
 

PRENUP FLAT FEE
$5,000
Postnup Flat Fee: $6,500
PREMIUM

Platinum Prenup
 

Prenup Starts at
$10,000
Postnup starts at: $13,000

Need help deciding which is right for you? Book a consultation — we’ll walk you through the options.

What Clients Say

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— J.J., California

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— K.H., California

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— M.H., Georgia
Washington Prenup Attorneys - Serving the Entire State Virtually

We work with couples across Washington, from Seattle, Spokane, and Tacoma to Vancouver, Bellevue, Everett, Kent, and Renton. Because our entire process is virtual, where you live in the state makes no difference to the quality or speed of your agreement. You work directly with a Washington-licensed attorney by video and secure document exchange, on a schedule that fits your timeline before the wedding.

If you searched for a prenup attorney near you, you do not need an office down the street. You need an attorney who focuses on prenuptial agreements, knows Washington community property law, and can manage the entire process from first consultation to final signature without you ever sitting in a waiting room. That is exactly what we do.

Aaron Thomas
Prenups.com Founder
Aaron Thomas

I spent years helping couples navigate divorce. The financial damage I saw was not inevitable. Assets split under laws couples never understood, decades of work undone. Most of it could have been addressed clearly and fairly before the wedding with a well-crafted prenuptial agreement. I built Prenups.com to make that process accessible for any couple that wants to start their marriage on the same page, financially and legally.

Washington Prenuptial Agreement — Frequently Asked Questions

Still have questions? Schedule a consultation →

What is a prenuptial agreement in Washington?

A prenuptial agreement in Washington is a written contract signed by two people before marriage that defines how their property, debts, and finances will be handled if the marriage ends in divorce or death. Because Washington is a community property state, a prenup is the main tool couples use to opt out of the default rule that most property acquired during marriage is owned 50/50.

Yes. Washington enforces prenuptial agreements, but it does so through case law rather than a prenup statute, because Washington has not adopted the Uniform Premarital Agreement Act. Courts apply a two-part fairness test. An agreement that is substantively fair to both parties is valid, and even an agreement that is not substantively fair can be enforced if it was made with full financial disclosure and entered into voluntarily with independent advice.

A valid Washington prenup must be in writing, signed by both parties, and entered into voluntarily. To survive court review, it should be supported by full and fair financial disclosure, give each party a real chance to consult their own attorney, and be signed well before the wedding. Notarization is not required by statute but is strongly recommended.

At Prenups.com, a Washington prenuptial agreement is a flat fee of $3,500. There is no hourly billing and no surprise charges. The fee includes drafting, all revisions and negotiation, and coordinated online signing. Postnuptial agreements are $4,500. Complex or high net worth matters are handled through our Platinum service starting at $10,000.

Most Washington prenuptial agreements are completed in about two to three weeks from the initial consultation, depending on how quickly both parties review and respond. Starting early matters more in Washington than in many states, because courts look closely at whether the agreement was signed with enough time before the wedding to be truly voluntary.

Yes. A prenuptial agreement must be signed before marriage and takes effect on the date of marriage. If you are already married, the equivalent document is a postnuptial agreement. Washington does not set a fixed statutory waiting period, but courts scrutinize last-minute signing, so signing well in advance protects the agreement.

Yes. A Washington prenup can be challenged on fairness grounds. A court can refuse to enforce an agreement that is not substantively fair unless it was also procedurally fair, meaning there was full disclosure of each party’s property and the agreement was signed voluntarily, with independent advice and full knowledge of each party’s rights. Inadequate disclosure or last-minute, pressured signing are the most common grounds for a challenge.

A Washington prenup can define which property is separate and which is community, divide assets and debts on divorce or death, address future earnings and the growth of separate property, protect a business or professional practice, and set spousal support terms within legal limits. Clear classification language is especially important in a community property state.

A Washington prenup cannot set or limit child support, custody, or visitation, and it cannot eliminate spousal support in a way that leaves one spouse dependent on public assistance. Lifestyle clauses, such as infidelity penalties or household duty requirements, are not enforceable, and no provision can require a party to break the law or violate public policy.

Washington does not legally require each party to have a separate attorney. However, independent counsel is one of the strongest pieces of evidence that an agreement was procedurally fair, which directly supports enforceability. At a minimum, the party without counsel should have a clear, documented opportunity to obtain it.

Yes, and it is especially important in Washington. Because Washington is a community property state, business growth and income during the marriage can become community property without a prenup. A well-drafted agreement can confirm a business as separate property, address future appreciation, and prevent a spouse from acquiring an interest in the company during divorce.

Yes. If you are already married, a postnuptial agreement can address the same property and financial questions as a prenuptial agreement. Washington recognizes agreements between spouses regarding the status and disposition of community property, provided they are in writing, voluntary, and fair. At Prenups.com, a Washington postnuptial agreement is a flat fee of $4,500.

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