Part 2 of 7 · Joint Vs Separate Accounts Series

Prenup Scenarios

6 min readreal estate

Prenup Scenarios: Not Just for the Wealthy Prenuptial agreements are culturally associated with wealth—the hedge fund manager protecting assets from a...

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Prenup Scenarios: Not Just for the Wealthy

Prenuptial agreements are culturally associated with wealth—the hedge fund manager protecting assets from a shorter marriage, the celebrity couple managing property. This association is both understandable and misleading. The circumstances that make a prenup most useful—complex financial situations, meaningful individual assets, prior obligations, blended families, significant income or wealth disparity—apply to a much broader range of couples than conventional wisdom suggests.

A prenuptial agreement is a contract between two people planning to marry that specifies how their assets, debts, and financial matters will be handled during the marriage and in the event of divorce or death. It is not a prediction of failure or a lack of trust. It is a financial agreement, made when both parties are clear-headed and well-represented, that replaces the state's default rules with rules the couple finds more appropriate for their specific situation.

WHY THE DEFAULT RULES MATTER

Without a prenuptial agreement, marital property is governed by state law. The two primary legal frameworks:

Community property states (nine states: Arizona, California, Idaho, Louisiana, Nevada, New Mexico, Texas, Washington, Wisconsin): All property and income acquired during the marriage is jointly owned, 50/50. Debts incurred during the marriage are also jointly shared. Property owned before the marriage and gifts or inheritances during the marriage are generally separate property—but the line can blur when separate and marital property are commingled.

Common law property states (all other states): Property belongs to whoever earned it or whose name it's titled in. Marital property is more loosely defined and division upon divorce is at the court's equitable discretion—"equitable" meaning fair, not necessarily equal.

These default rules are designed for the median case. They are often genuinely appropriate. But for couples whose situation differs meaningfully from the median—in assets, in obligations, in family structure, in business ownership—the default rules may produce outcomes that neither partner would have chosen.

SCENARIOS WHERE A PRENUP ADDS GENUINE VALUE

Scenario 1: One partner owns a business

A co-founder who built a software company worth $800,000 before the marriage has created a significant asset. Without a prenup, the business's appreciation during the marriage may be partly classified as marital property—even if the non-owning spouse had no involvement in the business. In some states, a court may value the marital portion of the business's growth and award part of it to the spouse in a divorce.

A prenup can specify that the business, including its appreciation during the marriage, remains separate property. It can also specify how salary drawn from the business flows into the marital estate. This clarity protects the business owner's ability to operate and sell the business without a divorce creating uncertainty about the business's ownership structure.

$800,000

SCENARIOS WHERE A PRENUP ADDS GENUINE VA

Scenario 2: Significant debt disparity

One partner brings $85,000 in student loan debt; the other brings $12,000. Without a prenup, state law determines whether these debts are individual or marital. In community property states, debts incurred for the benefit of the marital community (even if pre-marital in some contexts) can be treated as joint. In common law states, pre-marital debt is generally individual—but commingling of finances can blur this.

A prenup can specify that each partner's pre-marital debt remains their individual responsibility. This prevents one partner's student loan obligations from becoming the other's burden without explicit agreement.

$85,000

Scenario 2: Significant debt disparity

One partner brings $85,000 in student loan debt; the other brings $12,000. Wi

Scenario 3: Prior children from a previous relationship

A parent entering a second marriage has financial and estate planning obligations to children from a prior relationship. Without careful planning, the new marriage's community property rules can complicate separate property intended for the prior children—particularly if assets are commingled. A prenup can ring-fence assets designated for prior children, clarifying that those assets flow to the children rather than to the new spouse in the event of death or divorce.

Scenario 4: Expected inheritance

One partner expects a significant inheritance—perhaps a parent who has stated intent to leave them a family home or investment accounts. Inherited property during a marriage is generally separate property, but it becomes more complex when inherited assets are deposited into joint accounts, used to pay joint mortgage, or otherwise commingled. A prenup can address how anticipated inheritance will be classified and managed if received during the marriage.

Scenario 5: Significant income disparity with career asymmetry

One partner earns $240,000; the other earns $48,000 but plans to step back from paid work to raise children. The lower-earning partner is making a significant economic sacrifice that benefits the household. A prenup can specify how this sacrifice is compensated in a divorce scenario—whether through a longer maintenance period, property division adjustments, or other terms that reflect the economic reality of the sacrifice.

This use of a prenup is partner-protective, not adversarial. The higher earner who wants to acknowledge the lower earner's sacrifice can use the prenup to formalize protections the lower earner would never receive under the default rules.

Tip

The higher earner who wants to acknowledge the lower earner's sacrifice can use the prenup to formalize protections the lower earner would never receive under the default rules.

WHAT A PRENUP CANNOT DO

Prenuptial agreements cannot:

Waive child support obligations: Child support is a right of the child, not the parent, and cannot be contracted away in a prenup.

Predetermine child custody: Courts will not enforce prenup custody provisions because custody must be determined at the time of divorce based on the best interests of the child at that time.

Include provisions for personal conduct: Clauses requiring specific behaviors (infidelity clauses, weight requirements) are unenforceable in most states and can render the entire agreement unenforceable.

Require illegal or unconscionable terms: An agreement so one-sided that one party receives nothing is subject to challenge.

THE PROCESS: HOW TO DO THIS WITHOUT DAMAGING THE RELATIONSHIP

The prenup conversation is most successfully framed as financial planning rather than marital insurance. "I want to start our marriage with clear financial agreements that protect both of us and reflect what we actually want" is a different conversation than "I want to protect my assets in case we divorce."

Several practices make the process go better:

Start early. Initiating the prenup conversation six months before the wedding, not two weeks before, removes time pressure. A prenup signed under duress (days before the ceremony, one partner feeling coerced) is more vulnerable to legal challenge and damages the relationship more.

Both parties have independent attorneys. A prenup signed without independent legal counsel for both parties is more easily challenged in court. The attorneys should be retained separately—the prenup is a negotiation between parties with separate interests, not a document prepared by one party's attorney.

Full financial disclosure. Both parties must disclose their financial situation—assets, debts, income, obligations—completely. A prenup signed without full disclosure by either party is grounds for invalidation.

Address both parties' interests. A prenup that protects one partner and ignores the other is both legally vulnerable and relationship-damaging. Negotiate terms that both parties genuinely find fair.

Consider a sunset clause. Some prenups include sunset provisions—the agreement expires or modifies after a defined number of years of marriage, reflecting the reality that circumstances change and a prenup from the beginning of a long marriage may no longer reflect the parties' actual situation after 20 years.

THE COST

Having a prenuptial agreement drafted by attorneys for both parties typically costs $2,500 to $7,500 total, depending on complexity and geographic market. This is not trivial, but it is modest relative to the potential financial complexity a prenup addresses—and trivial relative to what contested divorce litigation costs when no agreement exists.

For straightforward prenups (modest individual assets, simple terms), online services provide templated agreements at lower cost—but these are more likely to be found unenforceable than agreements drafted by attorneys familiar with the state's specific requirements.

A prenup is not a symbol of anticipated failure. It is a financial agreement that gives a couple control over their own financial story—rather than leaving it to courts and state laws designed for average circumstances that may not reflect theirs.

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