A prenup typically costs between $600 and $10,000 per couple, depending on how the agreement is created.
A do-it-yourself online template runs about $600, but carries real enforceability risk. Pairing an online template with attorney review generally costs $2,000 and up. A traditional attorney billing hourly typically runs $2,500 to $10,000 or more, depending on complexity and negotiation.
A flat-fee, attorney-drafted prenup costs $3,500 at Prenups.com, with no hourly billing and no surprises.
| Approach | Typical cost per couple | Attorney involvement | Best for |
|---|---|---|---|
| DIY online template | $600 | None | Very simple situations; highest enforceability risk |
| Online service + attorney review | $2,000 and up | Limited, review only | Couples wanting a cheap check, not full drafting |
| Flat-fee attorney-drafted (Prenups.com) | $3,500 flat | Full, from drafting through signing | Couples who want real attorney involvement at a predictable price |
| Traditional hourly attorney | $2,500–$10,000+ | Full, billed hourly | Complex estates, heavy negotiation, open-ended budgets |
A prenup drafted by a licensed attorney who knows Michigan’s specific enforceability standard is a fundamentally different product from an online template. A $3,500 agreement that holds up in court is worth more than a $500 agreement that does not.
Key Takeaways
- A prenup in Michigan generally costs between $2,500 and $10,000 with hourly billing, or a flat $3,500 through Prenups.com, once you move past a bare-bones DIY template.
- Michigan courts apply a three-factor test asking whether the agreement was free of fraud or duress, whether it was unconscionable at the time it was signed, and whether unforeseeable changed circumstances have made it unfair.
- Michigan has a distinctive limit worth understanding upfront: a prenup cannot strip a divorce court of its statutory power to invade separate property in certain circumstances. No agreement, however well drafted, can promise separate property is untouchable in every scenario.
- That limitation does not make a prenup less valuable. It still controls the vast majority of outcomes; the court’s power to invade separate property is a narrow, specific exception, not a general override.
- Independent counsel is not required in Michigan but is strongly recommended, since it directly supports the agreement’s standing under the three-factor test.
What a Prenup Can (and Can’t) Promise in Michigan
It is worth being direct about this before anything else, because a good attorney will tell you the same thing. Michigan law does not allow a prenup to completely strip a divorce court of its statutory authority to invade separate property under specific, limited circumstances. That means no Michigan prenup, however carefully drafted, can promise with absolute certainty that a spouse’s separate property will never be touched in a divorce.
This sounds like it undercuts the value of a prenup. It does not. That statutory power is a narrow exception, not a general override of what the agreement says. In the overwhelming majority of divorces, an agreement that clearly defines separate and marital property still controls the outcome. The exception exists specifically for situations where a court determines the marital estate is otherwise insufficient to provide suitable support, not as a blanket excuse to reopen any prenup a judge disagrees with. A prenup drafted by someone who understands this limitation can still structure your agreement to minimize that exposure as much as Michigan law allows.
What Determines the Price
A handful of factors move a Michigan prenup up or down the cost scale. The complexity of your finances is the biggest driver: two people early in their careers with straightforward assets need a simpler agreement than a couple bringing a business, real estate, or significant premarital assets into the marriage.
Whether both people retain independent counsel matters in Michigan, since it directly supports an agreement’s standing under the three-factor enforceability test. It is not required, but skipping it removes one of the clearest ways to demonstrate the agreement was entered into knowingly and fairly.
The amount of negotiation is the final variable. A couple aligned on the terms moves quickly. A couple negotiating spousal support or how a business is treated will spend more time, and under hourly billing, more time means more money.
Hourly Billing vs. Flat-Fee Pricing
Most Michigan family law attorneys bill prenups by the hour, which means the final cost depends on things you cannot predict at the outset: how many rounds of revision you need, how long negotiation runs, how many questions come up. The number you hear on day one is rarely the number on the final invoice.
Thinking about a prenup?
Talk to an attorney before you decide. A 30-minute consultation is $150 — credited toward your agreement if you move forward.
Schedule a Consultation →Prenups.com offers two flat-fee tiers for a Michigan prenup. The Standard tier is $3,500 and includes a custom-drafted agreement from a licensed Michigan attorney, an initial strategy consultation, unlimited reasonable revisions, and final signing guidance. The Negotiated tier is $5,000 and includes everything in Standard plus active negotiation with opposing counsel, up to six hours of attorney time for that negotiation and correspondence, and coordinated state-partner involvement, which is the right fit if the other side has already retained their own attorney. A postnup follows the same structure at $4,500 Standard, though Michigan treats postnups more cautiously and generally requires evidence the agreement was intended to preserve the marriage. The Negotiated postnup tier is $6,500. Either tier is fixed before you commit, with no hourly surprises.
Is a Prenup in Michigan Worth the Cost?
Michigan courts weigh three factors when a prenup is challenged: whether it was free of fraud or duress, whether it was unconscionable at the time it was signed, and whether unforeseeable changed circumstances have made enforcing it unfair now. That third factor only applies to changes that genuinely could not have been anticipated. A change in circumstances that was reasonably foreseeable at the time of signing does not reopen the agreement.
An agreement built around that standard, with full disclosure and terms that were fair when signed, holds up against nearly every challenge a divorce can raise. Set against the cost and uncertainty of a contested divorce where none of this was decided in advance, the fee is not really a cost. It is the price of controlling the outcome everywhere Michigan law allows you to.
Getting a Prenup in Michigan
The process starts with a consultation to understand your situation and goals, followed by full financial disclosure from both partners, drafting by a licensed Michigan attorney built around the three-factor standard, a round of review and revisions, and finally signing. Because Michigan applies its own case-law test with a real statutory limitation on separate property, this is not a place for a generic template pulled from a different state’s rules.
Prenups.com handles the entire process starting at a flat $3,500, remotely, with a licensed Michigan attorney who drafts specifically for Michigan’s enforceability standard and is upfront with you about what the law can and cannot guarantee. For the full picture of what is included, the flat-fee pricing is published in full, and you can schedule a consultation to talk through your specific situation.
Frequently Asked Questions
How much does a prenup cost in Michigan?
A Michigan prenup typically costs between $2,500 and $10,000 with hourly billing, depending on complexity and negotiation. Prenups.com offers a flat-fee Michigan prenup starting at $3,500 for the Standard tier, or $5,000 for the Negotiated tier if the other party has retained their own attorney.
Can a Michigan prenup guarantee my separate property stays separate?
Not with absolute certainty. Michigan law allows a divorce court to invade separate property in narrow, specific circumstances, and a prenup cannot fully strip that statutory power. In practice, this exception applies rarely, and a well-drafted agreement still controls the overwhelming majority of outcomes.
What is the three-factor test Michigan courts use?
Michigan courts ask whether an agreement was free of fraud or duress, whether it was unconscionable at the time it was signed, and whether genuinely unforeseeable changed circumstances have made enforcing it unfair. Reasonably foreseeable changes do not meet that third factor.
Do both spouses need their own attorney in Michigan?
It is not legally required, but independent counsel is strongly recommended and directly supports an agreement’s standing if it is ever challenged under Michigan’s three-factor test.
Are postnups recognized in Michigan?
Yes, but Michigan courts treat them more cautiously than prenups and generally require evidence that the agreement was intended to preserve the marriage rather than facilitate ending it.
Is a cheap online prenup template a good deal in Michigan?
Rarely. A generic template is not built for Michigan’s specific case-law standard or its separate-property limitation, and it comes with no attorney to structure the agreement as protectively as Michigan law allows. The savings disappear fast if the agreement fails when it is actually needed.
