Prenuptial and Postnuptial Agreements in Nevada
Whether you are engaged and want clarity before the wedding or already married and want to formalize an agreement now, the two documents work differently under Nevada law.
Marriage is a legal partnership as much as a personal one, and Nevada law gives couples significant freedom to define their own financial terms within that partnership. As part of Nevada family law, prenuptial and postnuptial agreements in Nevada let couples decide, in writing and in advance, how property, debt, and support will be handled if the marriage ends or one spouse dies, rather than leaving those questions entirely to a judge under Nevada's community property default rules.
Becker & Vail LLC explains what each one is, what they can and cannot cover, and what makes them enforceable. For a broader look at how property is divided without an agreement, see our Nevada Divorce FAQ, and for how these agreements interact with spousal support, see Nevada Spousal Support and Alimony.
Table of Contents
Select a topic to jump to the questions and answers:
What Is a Premarital (Prenuptial) Agreement in Nevada?
A premarital agreement, commonly called a prenup, is a contract signed by two people before marriage that takes effect the moment they marry. Nevada has adopted the Uniform Premarital Agreement Act under NRS Chapter 123A, which gives prospective spouses broad authority to define their own property and support terms rather than defaulting to Nevada's community property rules.
Quick Answer: Yes, prenuptial agreements are enforceable in Nevada under NRS Chapter 123A, as long as the agreement is in writing, signed by both parties, entered into voluntarily, and not unconscionable when it was signed.
Under NRS 123A.040, a premarital agreement must be in writing and signed by both parties, but Nevada does not require separate consideration (an exchange of value) for it to be valid. The agreement becomes effective automatically upon marriage under NRS 123A.060, and it can later be amended or revoked only by another written agreement signed by both spouses, under NRS 123A.070.
What Is a Postnuptial Agreement in Nevada?
A postnuptial agreement, or postnup, is the same basic idea, but signed after the wedding has already taken place. Nevada has no separate statute dedicated to postnuptial agreements the way it does for premarital agreements. Instead, postnups are governed by Nevada's general marital contract law.
Under NRS 123.070, spouses may enter into contracts with each other respecting property, subject to "the general rules which control the actions of persons occupying relations of confidence and trust toward each other." That phrase matters: because spouses already owe each other fiduciary duties by the time a postnup is signed, Nevada courts apply closer scrutiny to postnups than to prenups, which are signed before that duty exists.
Postnuptial agreements affecting real property must also comply with NRS 123.270, which requires marriage contracts and settlements to be in writing and executed and acknowledged the same way a deed conveying real estate would be. A postnup that only addresses personal property and support does not need to meet this real-property acknowledgment standard, but real estate provisions do.
Prenuptial vs. Postnuptial: Key Legal Differences
Both documents can accomplish similar goals, protecting separate property, clarifying debt responsibility, and addressing spousal support, but Nevada law treats them differently in three important ways:
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Governing Statute: Prenups are governed by the Uniform Premarital Agreement Act (NRS Chapter 123A). Postnups fall under Nevada's general marital contract statutes (NRS 123.070 and 123.270) and ordinary contract principles.
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Consideration: Prenups do not require separate consideration to be enforceable under NRS 123A.040. Postnups, as ordinary spousal contracts, are generally analyzed under standard contract principles, where the parties' mutual promises typically supply consideration.
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Level of Scrutiny: Courts review postnups more skeptically because the fiduciary relationship between spouses already exists when the agreement is signed, raising a greater risk that one spouse pressured the other. Prenups, signed before that duty attaches, are reviewed under the more defined standard set out in NRS 123A.080.
Both agreement types exist to override Nevada's default community property rules. For a look at how property is classified without an agreement in place, see our guide to community property division in Nevada. For a deeper, side-by-side comparison of when each document makes sense, see our companion post, Prenuptial vs. Postnuptial Agreement in Nevada: What's the Difference?
What Can Be Included in a Nevada Marital Agreement?
NRS 123A.050 lists the subjects a premarital agreement may address, and Nevada courts generally apply the same categories to postnups. A well-drafted agreement can cover:
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The rights and obligations each spouse has in property either of them owns now or acquires later, wherever it is located
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The right to buy, sell, transfer, lease, mortgage, or otherwise manage and control property
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How property will be divided upon separation, divorce, or death
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The modification or elimination of alimony (spousal support)
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Provisions for a will, trust, or other estate planning arrangement that carries out the agreement
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Ownership and beneficiary rights in a life insurance policy's death benefit
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The choice of law that will govern the agreement if the couple later lives outside Nevada
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Any other personal or financial matter that does not violate public policy or a criminal statute
What Cannot Be Included in a Nevada Marital Agreement?
Nevada law also draws firm lines around what a marital agreement cannot do, regardless of how clearly both spouses agree to it in writing:
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Child support cannot be waived or capped. NRS 123A.050(2) states plainly that "the right of a child to support may not be adversely affected by a premarital agreement," and Nevada courts apply the same rule to postnups.
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Child custody cannot be predetermined. Custody is decided under the best interest of the child standard at the time of a divorce, under NRS 125C.0035, not by a contract signed years earlier.
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Provisions that encourage divorce, or that penalize a spouse for reporting abuse, are generally unenforceable as against public policy.
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Purely personal terms, such as household chores, weight, or fidelity clauses with financial penalties, are legally questionable in Nevada and, even if included, are unlikely to be enforced by a court.
What Makes a Marital Agreement Enforceable in Nevada?
Under NRS 123A.080, a premarital agreement can be thrown out if the spouse challenging it proves any one of the following:
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The agreement was not signed voluntarily
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The agreement was unconscionable at the time it was signed
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Before signing, that spouse was not given a fair and reasonable disclosure of the other spouse's property or financial obligations, did not voluntarily and expressly waive disclosure in writing, and did not otherwise have adequate knowledge of the other spouse's finances
Nevada courts apply these same core principles, voluntariness, fair disclosure, and conscionability, to postnuptial agreements, with additional weight placed on disclosure and independent legal counsel because of the existing marital relationship. In practice, an enforceable agreement in Nevada generally includes:
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A complete written document signed by both spouses
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Full and honest disclosure of each spouse's assets, debts, and income, or a written waiver of that disclosure
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Reasonable time to review the agreement before signing, free of pressure or a looming deadline such as a wedding date days away
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Independent legal counsel for each spouse. Nevada does not strictly require this, but its absence is one of the most common grounds used to challenge an agreement later
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Terms that were fair when signed, since NRS 123A.080(3) makes unconscionability, a legal question decided by the court
When Marital Agreements Are Challenged
The most common disputes Nevada family courts see over marital agreements involve claims that one spouse signed under pressure, that financial disclosures were incomplete or misleading, or that the terms were so one-sided they should be considered unconscionable. Postnups face an added layer of scrutiny because the spouses already owed each other fiduciary duties under NRS 123.070 when the agreement was signed.
One protection worth knowing about: under NRS 123A.100, any statute of limitations that would otherwise apply to a claim under a premarital agreement is paused, or tolled, for the entire length of the marriage. A spouse does not lose the right to challenge an unfair agreement simply because years have passed while the couple remained married.
FAQs: Prenuptial and Postnuptial Agreements in Nevada
Are prenuptial agreements enforceable in Nevada?
Yes. Nevada enforces premarital agreements under NRS Chapter 123A as long as the agreement is in writing, signed by both parties, entered into voluntarily, and not unconscionable when it was executed, with fair financial disclosure between the parties beforehand.
What is the difference between a prenup and a postnup in Nevada?
A prenup is signed before marriage and is governed by the Uniform Premarital Agreement Act (NRS Chapter 123A). A postnup is signed after marriage and is governed by Nevada's general marital contract statutes (NRS 123.070 and 123.270). Because spouses already owe each other fiduciary duties once married, Nevada courts scrutinize postnups more closely than prenups.
Can a Nevada prenuptial agreement waive alimony?
Generally, yes. NRS 123A.050(1)(d) allows a premarital agreement to modify or eliminate spousal support. Courts will still review the provision for unconscionability at the time of enforcement, and under NRS 123A.080(2), a court can require support anyway if the waiver would leave a spouse eligible for public assistance.
Does a postnuptial agreement need to be notarized in Nevada?
A postnuptial agreement addressing personal property or support must be in writing and signed. If the agreement affects real property, NRS 123.270 requires it to be executed and acknowledged in the same manner as a deed, which in practice means notarization.
Can we write our own prenuptial or postnuptial agreement in Nevada?
Nevada does not require an attorney to sign or draft a marital agreement, but doing so without legal counsel is one of the most common reasons these agreements are later challenged and set aside. Independent representation for each spouse, along with full financial disclosure, is the strongest protection against a future unconscionability or nondisclosure claim.
What can void a prenuptial agreement in Nevada?
Under NRS 123A.080, a court can void a premarital agreement if the spouse challenging it proves the agreement was not signed voluntarily, was unconscionable when signed, or was signed without a fair and reasonable disclosure of the other spouse's property and financial obligations.
Marital agreements carry real financial consequences years or decades after they are signed.
The drafting and review process for prenuptial and postnuptial agreements deserves the same care as any other major legal document.
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Draft premarital and postnuptial agreements that clearly reflect each spouse's intentions and hold up to Nevada's enforceability standards
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Review and negotiate agreements presented by a fiance or spouse's attorney, so you understand exactly what you are signing
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Prepare the financial disclosures required to protect an agreement from a later unconscionability or nondisclosure challenge
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Advise on how a marital agreement interacts with spousal support, community property, and estate planning
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Represent clients seeking to enforce, or to challenge, an existing prenuptial or postnuptial agreement during divorce proceedings
Contact Becker & Vail LLC today.
Email: information@beckervail.com
Office Phone: 702-209-0357
Assistance available in English, Spanish, and Hindi languages.
Quick Links for additional information about Nevada Family Law topics.
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What Happens to Your Assets in Divorce?
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Nevada Spousal Support and Alimony
Going through a divorce is hard enough. Worrying about whether you can maintain your financial footing afterward makes it harder. Alimony in Nevada is not a given. It is not automatic, it is not calculated by a fixed formula, and it is not always permanent. Read more >>
Legal Guardianship in Nevada: Protecting Those Who Cannot Protect Themselves
Whether you are a grandparent stepping in for a struggling parent, an adult child managing the affairs of an aging parent with dementia, or a family member caring for a child whose parents are absent, legal guardianship in Nevada gives you the court-recognized authority to make decisions on behalf of someone who cannot make them alone. Read more >>
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Email: information@beckervail.com
Office Phone: 702-209-0357