New Hampshire Prenuptial Agreement
New Hampshire prenuptial agreements are governed by RSA 460:2-a (enacted 1981, amended 2023 for gender-neutral language) alongside controlling case law from MacFarlane (1989), Yannalfo (2002), Hollett (2003), Wilber (2013), and Nizhnikov (2016). NH has not adopted UPAA or UPMAA. A prenup fails on any of three grounds: (1) fraud, duress, mistake, misrepresentation, or nondisclosure of a material fact; (2) unconscionability at execution; or (3) facts so changed since signing that enforcement would be unconscionable — a permanent second-look at divorce.
Bottom line: New Hampshire earns a C. Dual review at execution and enforcement, plus Hollett's heightened procedural-fairness standard for disparate couples, weaken enforcement. But a presumption of validity, strong recent enforcement (Nizhnikov, Goddard, Cicale), and a clear three-prong test make well-drafted prenups with independent counsel and 30+ days' notice reliably enforceable.
New Hampshire Prenup Enforceability Rating: C
New Hampshire Prenup Laws: Key Statutes Explained
1981 NH RSA 460:2-a, "Antenuptial Agreements"
Judicial review for "unconsciobaility both at execution (signing) and enforcement (divorce).
Separate Property
All assets can remain separate property, avoiding costly divorce settlements. Joint assets and debts titled in both names can be split 50/50 according to a prenuptial agreement.
Unconscionability — Two-Stage Review (Anti-Prenup)
NH reviews prenups for unconscionability at BOTH execution AND enforcement. Under MacFarlane v. Rich (1989), courts may refuse to enforce — or reform — provisions where changed circumstances make enforcement work an "unconscionable hardship" at the time of divorce. NH has not adopted UPAA or UPMAA; the second-look doctrine remains alive.
Three-Prong Invalidation Test — MacFarlane/Hollett
A prenup is presumed valid but unenforceable if the challenging party proves: (1) fraud, duress, mistake, misrepresentation, or nondisclosure of a material fact at execution; (2) unconscionability at execution; OR (3) facts and circumstances have so changed that enforcement is now unconscionable.
Heightened Procedural Fairness for Disparate Parties
Where there is a "vast disparity in bargaining power" between the parties, Hollett (2003) imposes a "high standard of procedural fairness": adequate time to reflect, ability to verify financials, effective independent counsel, and good-faith conduct. Failure on any factor risks invalidation.
Spousal Support — Unconscionable Hardship Override
Alimony waivers are permitted but may be reformed at divorce if enforcement would cause "unconscionable hardship" from unforeseen changed circumstances (MacFarlane). Capped or formula-based payments are safer than absolute waivers; clauses leaving a spouse destitute or eligible for public assistance are highly vulnerable.
Timing
No statutory minimum, but Hollett cites a 30-day pre-wedding norm as the standard to avoid involuntariness. We recommend signing 60+ days before the wedding (90+ days for high-asset or high-disparity matches), with both parties having 2-3 weeks to review the final version. Reach out to an attorney at least 4-6 months before the wedding with your draft prenup. Better yet, sign before proposing.
Independent Counsel
Effectively required where any disparity in education, assets, or sophistication exists. Hollett invalidated an agreement partly because the lower-asset spouse was given a recent law-school graduate with no prenup experience retained the day before the wedding. Both parties should retain experienced counsel early enough to verify financials.
Financial Disclosure
Full disclosure of property and obligations required, ideally as attached schedules. Wilber (2013) tolerates waivers in long marriages with comparable knowledge, but waivers carry meaningful risk where assets are substantial or disparate. PerfectPrenup includes complete schedules and a waiver (use both).
Heightened Burden — "Highest Degree of Good Faith"
"NH treats prenups as confidential-relationship contracts requiring "the highest degree of good faith, candor and sincerity" (MacFarlane). Courts scrutinize prenups more closely than ordinary commercial contracts. The challenging party bears the burden, but the procedural-fairness standard tightens with bargaining-power disparity.
Child Support and Custody
Child support and custody clauses are unenforceable under RSA 460:2-a and could undermine the entire agreement. Do not include.
New Hampshire Prenuptial Agreement Court Cases
In re Estate of Hollett, 150 N.H. 39 (2003)
NH Supreme Court invalidated a prenup signed on the wedding morning by a 22-year-old wife with ~$5K in assets where the 52-year-old husband (~$6M estate) presented it 2 days before a 200-guest wedding and provided her an inexperienced attorney with no time to verify financials, holding that vast bargaining-power disparities require a "high standard of procedural fairness."
MacFarlane v. Rich, 132 N.H. 608 (1989)
Foundational case establishing the three-prong invalidation test (fraud/duress/nondisclosure, unconscionability, or changed circumstances) and holding that prenup support provisions may be reformed where enforcement would cause "unconscionable hardship" due to unforeseen changed circumstances, while requiring spouses to exercise "the highest degree of good faith, candor and sincerity."
In the Matter of Yannalfo, 147 N.H. 597 (2002)
NH Supreme Court enforced a narrow prenup signed a day before the wedding by two postal-service spouses covering only the husband's $70K down payment and wife's $5K closing-cost contribution on a $183,150 home, rejecting per se invalidation of last-minute agreements and holding that the threat that the marriage would not occur, standing alone, is insufficient to establish duress.
In re Estate of Wilber, 165 N.H. 246 (2013)
NH Supreme Court reversed the probate court and enforced a postnup between spouses married ~50 years (despite no financial disclosures and no attorneys) where the wife's estate failed to prove fraud, duress, or unfairness, formally recognizing postnuptial agreements as enforceable in New Hampshire.
In the Matter of Nizhnikov, 168 N.H. 525 (2016)
NH Supreme Court reversed the trial court and enforced a prenup signed the wedding day by a Russian wife who received the translated draft 16 days before an unscheduled marriage, distinguishing Hollett because the parties had comparable education and bargaining power (wife held a Russian law degree and managed the husband's 200-employee company) and the financial-disclosure waiver was knowing.
In the Matter of Goddard, No. 2019-0735 (N.H. Nov. 2, 2020)
NH Supreme Court (Rule 20(3) order) affirmed enforcement of a prenup despite the wife's contributions of real-estate proceeds toward improvements on the husband's marital residence, holding that asset/income disparity alone does not render an agreement unconscionable, and affirmed the trial court's $250/month, four-year alimony award as consistent with the agreement's terms.
In the Matter of Cicale, No. 2024-0370 (N.H. July 3, 2025)
NH Supreme Court (Rule 20(3) order) affirmed pretrial enforcement of a postnup awarding the wife (primary caregiver of two minor daughters) the marital home with all related expenses while splitting other assets equally, rejecting the husband's duress and unfairness challenges and confirming that postnup enforceability can be decided before the final divorce hearing.
5-Step Checklist: How to Sign & Execute a Prenup in New Hampshire
Step 1: Download and read the New Hampshire prenuptial agreement
Start with our free template, written for NH-specific law under RSA 460:2-a and the MacFarlane/Hollett/Wilber/Nizhnikov line. New Hampshire has not adopted UPAA, so courts review at both execution and enforcement. Read it in full — the 15+ pages includes rebuttals to common legal challenges and fallback provisions.
Step 2: Draft changes on your own
See a clause you don't like? Copy it into an AI like Claude and explain the change you want. Save edits as a separate alternate version — don't overwrite the original. Bring both to your attorney review. AI is often gender-biased and over-drafts beyond what's legally required. Push back on its output.
Step 3: Find a matrimonial or divorce lawyer in New Hampshire
Search Avvo, Findlaw, or Justia for a New Hampshire attorney with 10+ years experience. Ask their fee to review and handle signing, then send your draft. Both parties should retain separate, experienced counsel — Hollett invalidated an agreement partly because one spouse's attorney was a recent grad retained the day before the wedding.
Step 4: Meet your lawyer 4–6 months before the wedding
Our recommendation: sign the prenup before proposing — get the legal work done and confirm this is the right person to marry. Already proposed? 4–6 months out leaves time to give your spouse 2–3 weeks to review the final draft and sign 60+ days before the wedding (90+ for high-asset or high-disparity matches). Hollett cites a 30-day pre-wedding norm as the floor and invalidated an agreement signed the wedding morning with only 2 days' notice.
Step 5: Review and sign the prenup with your attorney
Both attorneys present can serve as witnesses and notarize on the spot, satisfying all requirements in one signing ceremony. We HIGHLY recommend reviewing and signing with an attorney; at minimum, signatures must be notarized. Each party keeps a signed original, and so should each party's attorney.
New Hampshire Prenuptial Agreement: Frequently Asked Questions (2026)
1. Are prenuptial agreements enforceable in New Hampshire?
Yes. NH has authorized prenups since 1981 under RSA 460:2-a. They are presumed valid but can be invalidated under the three-prong test from MacFarlane v. Rich (1989) and In re Estate of Hollett (2003): (1) fraud, duress, mistake, misrepresentation, or nondisclosure of a material fact; (2) unconscionability at execution; or (3) facts and circumstances so changed that enforcement is now unconscionable.
2. Has New Hampshire adopted the UPAA (Uniform Premarital Agreement Act)?
No. NH is one of approximately 22 states that has not adopted the UPAA (1983) or the updated UPMAA (2012). Enforcement is governed entirely by RSA 460:2-a plus the MacFarlane/Hollett/Wilber/Nizhnikov common-law framework, which permits a "second look" at enforcement, not just at execution.
3. How long before the wedding should a prenup be signed in New Hampshire?
Hollett cites a 30-day pre-wedding norm as the floor, drawn from leading treatises. We recommend 60+ days for typical cases and 90+ days where there is significant asset or income disparity. Hollett invalidated an agreement signed the wedding morning when presented 2 days before; Yannalfo upheld one signed a day before because the parties were postal workers of comparable means and the agreement covered only $70K.
4. Does a New Hampshire prenup need to be notarized or witnessed?
RSA 460:2-a does not statutorily require notarization or witnesses, but both are universal practice and strongly recommended for evidentiary purposes. NH practitioners typically require both parties' signatures notarized, with attorneys serving as witnesses at the signing.
5. Do both parties need their own attorney for a New Hampshire prenup?
Effectively yes. While not strictly statutorily required, NH practitioners and case law treat independent counsel for each party as a near-requirement, especially where any disparity in education, assets, or sophistication exists. Hollett invalidated an agreement partly because the lower-asset spouse's attorney was a recent law-school graduate with no prenup experience retained the day before the wedding.
6. How much does a prenup cost in New Hampshire?
Traditional attorney-drafted prenups in NH typically run $3,000–$10,000 per couple ($1,500–$5,000 per side), with complex high-asset agreements reaching $15,000+. Hourly rates for NH family-law attorneys generally run $250–$500. Online platforms with attorney review run roughly $600–$2,000 per couple.
7. Can a New Hampshire prenup waive alimony or spousal support?
Yes, but with risk. Alimony waivers are permitted under MacFarlane, but NH courts may refuse to enforce — or reform — a waiver at divorce if enforcement would cause "unconscionable hardship" from changed circumstances, or leave a spouse destitute or eligible for public assistance. Capped or formula-based payments are safer than absolute waivers.
8. Can a New Hampshire prenup decide child custody or child support?
No. Under RSA 460:2-a, "no contract...may contain any term which attempts to abrogate the statutory or common law rights of minor children." Custody and child-support clauses are unenforceable, and including them risks undermining the rest of the agreement. Decide these at the time of divorce, in the children's best interests.
9. Are postnuptial agreements legal in New Hampshire?
Yes, since 2013. In re Estate of Wilber (165 N.H. 246) was the first NH case to formally enforce a postnup, and In the Matter of Cicale (2025) reaffirmed enforcement. Postnups are subject to at least the same three-prong scrutiny as prenups and arguably a higher fairness standard given the existing fiduciary relationship.
10. What invalidates a prenup in New Hampshire?
The most common grounds: (1) signing under duress (last-minute presentation combined with bargaining-power disparity, as in Hollett); (2) inadequate or fraudulent financial disclosure; (3) lack of effective independent counsel for the lower-asset spouse; (4) unconscionability at signing; or (5) changed circumstances making enforcement unconscionable at divorce. The challenging spouse bears the burden of proof.
11. Does a prenup signed in another state work in New Hampshire?
Yes, generally. RSA 460:2-a expressly provides that NH courts "shall give the same effect to such contracts entered in other jurisdictions as would the courts of that other jurisdiction." So a prenup valid under, say, Massachusetts or California law will typically be honored — subject to NH public-policy limits (e.g., child-support waivers remain unenforceable).
12. Can a New Hampshire prenup protect a business, inheritance, or trust?
Yes — these are among the most common and well-supported uses. A prenup can designate a business interest, expected inheritance, family trust, or premarital asset as separate property, and can pre-allocate appreciation and income from that property. Under RSA 458:16-a, II(k), NH divorce courts must give effect to the prenup's allocation when dividing marital property in good faith.