Hawaii prenuptial agreements, online for $649
A prenup built for Hawaii law and for your finances, completed online by you and your partner in days. One flat price for the couple, with notarization included. No retainers, no hourly bills, no per-partner pricing.
Not sure it fits your situation? Book a free 20-minute consult
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Why a Hawaii prenup is different
A First prenup is built around the laws of Hawaii, and you, from the ground up.
Hawaii has a prenup statute, and it asks for little on paper
Hawaii adopted the Uniform Premarital Agreement Act in 1987. It asks for a written agreement signed by both partners and nothing more: no consideration, no notary, no witnesses. The agreement takes effect the day you marry, and only another written agreement you both sign can change or revoke it. The strictness is in what a court checks if it is ever challenged.
The test is voluntariness and disclosure
A Hawaii court will not enforce a prenup if the partner challenging it proves they did not sign voluntarily. Nor will it enforce one that was unconscionable when signed, where that partner got no fair and reasonable disclosure of the other's property and financial obligations, waived none in writing, and had no adequate knowledge of them otherwise. The judge decides unconscionability as a matter of law.
A “just and equitable” division is the default you are replacing
Hawaii is not a community property state. Without a prenup, a Hawaii family court divides the couple's estate, joint or separate, in the way that appears just and equitable, weighing each spouse's merits and abilities and the condition each will be left in. Equitable doesn't always mean equal, and a judge who has never met you decides it. A prenup is how you two decide instead.
What your $649 Hawaii prenup includes
One price per couple, not per partner. Everything below is included.
- Customized to Hawaii law and to your finances, not a fill-in-the-blank template
- Built on a foundation drafted with experienced family law attorneys
- Guided questionnaire both partners complete separately, from any device
- Structured financial disclosure tools for both partners, which is what the Hawaii test turns on
- Covers real estate, retirement, business ownership, equity, inheritance, gifts, debts, pet custody, and more
- Online notarization included at no extra cost
- Save and resume anytime, with both partners always seeing where things stand
- $649 flat. No retainer, no hourly bills, no per-partner pricing. Finish at your own pace.
First vs hiring two Hawaii attorneys on your own
Key considerations
A Hawaii prenup is $649 flat for the couple through First, completed online with notarization included. Hiring two attorneys separately in Hawaii, where family law attorneys average $343 an hour and experienced Honolulu attorneys run $300 to $450, commonly lands between $3,200 and $11,200 for the couple.
Hired separately, a prenup is quoted per partner and often billed hourly, so the final number is hard to predict before you start. First is one flat price for both of you, with no retainer and no hourly bills.
The fees also price only the legal work. Hiring on your own means building a shortlist of Hawaii family law attorneys, calling each one, booking consults, and confirming both fees and availability against your wedding date, then running all of it again because your partner needs a different attorney. First replaces this work with a process the two of you complete together, at your own pace, from anywhere in the state.
| Hourly rate | Typical total for the couple | |
|---|---|---|
| Hawaii average, all practice areas | $339 | – |
| Hawaii family law attorneys | $343 | – |
| Honolulu | $300 to $450 | – |
| Two Honolulu attorneys hired separately | – | $3,200 to $11,200 |
| First Self-Serve | Flat fee | $649 for the couple |
Rates from the Clio 2025 Legal Trends Report and published Honolulu family law rates. Couple totals are computed from Honolulu rates. Reviewed for Hawaii in September 2026.
How it works
From start to signed in days, not months
1
Sign up and invite your partner
Create your account, add your partner's email, and you are both in the platform.
2
Complete the guided questionnaire
Walk through assets, debts, real estate, and retirement at your own pace. Save and resume anytime.
3
Review your custom agreement
Your prenup is generated from your answers and built for Hawaii, not pulled from a generic template.
4
Sign and notarize online
Once both partners are aligned, sign and notarize on the platform, well before the wedding.
Real couples, real successes with First®
The #1 customer-rated prenup platform.
These testimonials are real customer quotes collected by First. No compensation was provided in exchange for these quotes.
Is Self-Serve right for your Hawaii prenup?
First Self-Serve is the best option for your prenup. It combines a process that guides you through alignment and full financial disclosure with a reasonable cost and free online notarization.
Self-Serve is right for you if…
- You and your partner broadly agree on how you want your finances to work
- You want a Hawaii-specific agreement rather than a downloadable template
- You have time before the wedding to complete it on your own terms
- You want one flat price for the couple instead of two hourly bills
Self-Serve covers situations like…
- One of you owns a business, or holds stock, options or RSUs
- A home or other property one of you owned before the wedding
- An inheritance or family gifts you want to keep as separate property
- Child support or spousal support one of you already pays from a prior marriage
- Deciding spousal support now, whether that means waiving it or setting it in advance
Hawaii prenup questions, answered
Is a prenup enforceable in Hawaii?
Yes. Hawaii's Uniform Premarital Agreement Act requires a prenup to be in writing and signed by both partners, and it takes effect when you marry. A court will refuse to enforce one only if the partner challenging it proves they did not sign voluntarily, or that it was unconscionable when signed and, before signing, they were not given a fair and reasonable disclosure of the other partner's property and financial obligations, did not waive that disclosure in writing, and had no adequate knowledge of them otherwise. An agreement built on full disclosure and signed voluntarily, with time to spare, is built to pass that test.
How much does a prenup cost in Hawaii?
With First, a Hawaii prenup is $649 flat for the couple, with online notarization included. Hiring attorneys instead commonly runs $3,200 to $11,200 for the couple, billed hourly at Honolulu rates of $300 to $450 an hour, since each partner needs their own attorney and the hourly math runs twice. Our guide to what a prenup costs walks through that math.
Do you do prenups in Honolulu, Maui and the Big Island?
Yes. First serves couples across Hawaii, including Honolulu and the rest of Oahu such as Kailua, Kapolei and Pearl City, Maui, Hilo and Kona on Hawaii Island, and Kauai. Self-Serve is $649 flat for the couple and is completed online, so which island you live on does not change the process or the price.
How much does a prenup cost in Honolulu?
Experienced Honolulu family law attorneys commonly bill $300 to $450 an hour. Because each partner needs their own, hiring two separately commonly runs $3,200 to $11,200 for the couple. First is $649 flat for the couple, with online notarization included.
Do both people need a lawyer for a prenup in Hawaii?
No. Nothing in Hawaii's Uniform Premarital Agreement Act requires either partner to be represented by an attorney for a prenup to be valid. What the statute tests is whether each partner signed voluntarily and whether each had a fair and reasonable disclosure of, or adequate knowledge of, the other's finances. Both are within your control, and they are what First Self-Serve is built around.
Can I do a Hawaii prenup online?
Yes. Nothing in Hawaii law treats an agreement differently because of how it was produced. What matters is that both partners disclosed their finances, both signed voluntarily, the terms are not unconscionable, and the agreement was drafted to Hawaii law. First Self-Serve is $649 for the couple and includes online notarization, which also means no one has to fly to another island to sign.
Does a Hawaii prenup have to be notarized?
Hawaii's statute requires only that the agreement be in writing and signed by both partners; it does not require notarization or witnesses. Notarizing is still worth doing, because a notarized signature is straightforward evidence that both partners signed voluntarily, which is the first thing a Hawaii court examines. First includes online notarization at no extra cost.
When should we sign a prenup in Hawaii?
As early as you reasonably can. Hawaii has no statutory waiting period, but timing is one of the clearest signals a court reads when someone argues they did not sign voluntarily. An agreement produced days before the ceremony, to a partner who has not seen it, is the fact pattern most likely to be challenged. Signing months ahead, after both partners have read it and had a real chance to ask questions, removes that argument.
Is First Self-Serve right for a complex Hawaii prenup?
Yes. Self-Serve covers business ownership, stock, options and RSUs, real estate, inheritance and gifts, existing child support or spousal support obligations, and spousal support terms, all for $649 flat for the couple. If you'd like to talk your situation through first, book a free 20-minute call.
What does a Hawaii prenup cover?
Hawaii's statute lets a prenup set out each partner's rights in property whenever and wherever acquired, how property is managed during the marriage, what happens to it on separation, divorce or death, the modification or elimination of spousal support, wills and trusts that carry the agreement out, life insurance death benefits, and which state's law governs. Two limits apply: it cannot adversely affect a child's right to support, and if eliminating spousal support would leave a spouse eligible for public assistance, a court can order support to prevent that.
Start your Hawaii prenup
A Hawaii-specific prenup, built online and made to hold up. $649 flat for the couple, with notarization included.
Not sure it fits your situation? Book a free 20-minute consult