A prenup for a business owner in Louisiana is a matrimonial agreement under La. Civ. Code art. 2328 that establishes separation of property so a company, its income, and its appreciation stay separate. It must be an authentic act before a notary and two witnesses under La. Civ. Code art. 2331, signed before the wedding, or it is void. Court costs to later enforce range $200-$600 by parish.
Key Facts: Louisiana Prenups for Business Owners
| Factor | Louisiana Rule |
|---|---|
| Filing Fee (divorce/partition) | $200-$600, varies by parish (Jefferson Parish $400-$600) |
| Waiting Period | 180 days separation (Art. 102/103); 365 days with minor children |
| Residency Requirement | One spouse domiciled in Louisiana; presumed after 6 months residence (La. C.C.P. art. 10) |
| Grounds | No-fault (living separate and apart) under Art. 102/103, plus fault grounds |
| Property Division Type | Community property (default 50/50); prenup creates separation of property |
| Prenup Form Required | Authentic act or acknowledged private act before marriage (Art. 2331) |
As of June 2026. Verify filing fees with your local parish clerk of court.
What Is a Prenup for a Business Owner in Louisiana?
A prenup for a business owner in Louisiana is a matrimonial agreement that, under La. Civ. Code art. 2328, establishes a regime of separation of property or modifies the default community regime. Louisiana is a community property state, meaning income earned and most assets acquired during marriage are owned 50/50 by both spouses. A matrimonial agreement lets a business owner opt out of this default so the business stays separate.
Louisiana follows the civil law tradition, so the rules differ sharply from common law states. The default legal regime is community property: every dollar earned through a spouse's "effort, skill, and industry" during marriage belongs to the community. For an entrepreneur, this means business profits, salary, and even appreciation tied to your labor can become community property absent an agreement. A prenup for a business owner Louisiana entrepreneurs sign before marriage overrides this default, classifying the business and its fruits as separate property. The agreement is governed by La. Civ. Code art. 2328 through art. 2332 and the general rules of conventional obligations.
Why Business Owners in Louisiana Need a Prenup
Business owners in Louisiana face unique exposure because community property law captures business income, appreciation, and reimbursement claims. Without a prenup, the non-owner spouse can claim one-half of any increase in a separate business's value attributable to marital labor under La. Civ. Code art. 2368, plus a share of all income produced during marriage. An entrepreneurial prenup eliminates these claims contractually.
The risk is concrete. Even a business you started before marriage is separate property only as to its pre-marriage value. Article 2368 entitles the other spouse to reimbursement of one-half of the increase in value caused by "uncompensated common labor or industry" during the marriage. A business owner who reinvests profits instead of drawing a salary compounds the problem: courts treat that reinvested labor-income as community, so the spouse can claim a large share of growth. A prenup protecting business prenup-style — locking in separate classification of the entity, its goodwill, and its income — removes the guesswork. It converts a fact-intensive, expert-driven valuation fight into a clear contractual answer.
Louisiana Statutes Governing Matrimonial Agreements
Louisiana matrimonial agreements are governed by Civil Code articles 2328 through 2333, which define the agreement, set timing rules, limit content, and impose strict form requirements. Spouses may freely establish separation of property before marriage under La. Civ. Code art. 2329, but agreements made during marriage require a joint petition and court approval that the agreement serves the spouses' best interests.
The statutory framework breaks down as follows. La. Civ. Code art. 2328 defines a matrimonial agreement as a contract establishing separation of property or modifying or terminating the legal regime. La. Civ. Code art. 2329 permits agreements before or during marriage on all matters not prohibited by public policy, but requires court approval for modifications during marriage. La. Civ. Code art. 2330 sets limits: spouses cannot renounce the marital portion, alter the order of succession, or limit third-party rights to obligate or encumber community property. La. Civ. Code art. 2331 mandates the form. La. Civ. Code art. 2332 creates a one-year window for new residents to contract without court approval.
Form Requirements: The Authentic Act Rule
A Louisiana prenup must be executed as an authentic act or as an acknowledged act under private signature, and it must be completed before the wedding, or it is void. Under La. Civ. Code art. 2331, an authentic act requires both spouses to sign in the presence of a Louisiana notary public and two competent witnesses, with all parties signing simultaneously. The Louisiana Supreme Court has held these formalities are mandatory.
This is the single most common way prenups fail in Louisiana, so business owners must get it right. Two execution paths exist. First, the authentic act: signed by both parties before a commissioned Louisiana notary and two witnesses who are present for the entire execution. Second, an act under private signature "duly acknowledged" — signed privately, then acknowledged before a notary, court, or authorized official, but the acknowledgment must occur before the marriage takes place. Failure to complete these formalities before the ceremony renders the agreement void and unenforceable. Note that La. R.S. 35:702 excludes matrimonial agreements from remote notarization, so no fully remote signing reliably produces an enforceable LLC prenup or business agreement. A minor 16 or 17 needs judicial authorization and parental concurrence under La. Civ. Code art. 2333.
How a Prenup Protects Your Business and Its Income
A prenup protects a Louisiana business by classifying the entity, its appreciation, and its income as separate property — overriding the default rule that fruits of separate property fall into the community. By default, income from separate property (rents, dividends, business profits) becomes community under La. Civ. Code art. 2339. A matrimonial agreement reserves these fruits as separate, protecting business appreciation and goodwill from division.
For an LLC prenup or corporate-interest prenup, the agreement should expressly cover four things. First, ownership: the business entity and your membership/shareholder interest are declared separate property. Second, fruits and income: profits, distributions, and salary tied to the business are reserved as separate under La. Civ. Code art. 2339. Third, appreciation: any increase in value, whether from market forces or your labor, is separate, waiving the La. Civ. Code art. 2368 reimbursement claim. Fourth, anti-commingling: the agreement should prevent transmutation through joint titling or commingling of business and household funds. This entrepreneurial prenup creates contractual proof of separate ownership that reduces litigation cost and removes the need for dueling business valuation experts at divorce.
Business Valuation Without a Prenup: What You Risk
Without a prenup, a Louisiana court determines what portion of business value is community versus separate using expert appraisals, and the non-owner spouse can claim one-half of the marital-labor appreciation under La. Civ. Code art. 2368. Valuation experts apply the income approach, market approach, or asset approach, and must separate active (marital) appreciation from passive (market-driven) growth — a costly, contested process.
The valuation fight has several moving parts that a business valuation prenup avoids entirely. Courts distinguish enterprise goodwill (divisible) from personal goodwill tied to the owner spouse's personal qualities (not divisible). They separate passive appreciation, driven by market forces, from active appreciation, driven by the owner's labor. Reimbursement claims under Article 2368 are valued at the time the labor was contributed, while community assets are valued at the time of partition — two different valuation dates that experts must reconcile. Partition itself proceeds under La. R.S. 9:2801, requiring each spouse to file a sworn Detailed Descriptive List of assets and values, with a 60-day window to traverse. A prenup short-circuits all of this by contractually fixing the business as separate.
The Salary Trap for Louisiana Business Owners
A Louisiana business owner who reinvests profits instead of paying a reasonable salary increases the non-owner spouse's claim, because all income from "effort, skill, and industry" during marriage is community property. Courts treat retained labor-earnings as community, so reinvesting everything lets a former spouse claim a large share of the company's growth. Drawing a market-rate salary and using a prenup are the two defenses.
This trap catches many entrepreneurs. The logic flows from Louisiana's community property rule: money earned through personal labor during marriage is community. When an owner pays themselves little and plows earnings back into the business, the reinvested value is community income embedded in the company. At divorce, the spouse argues — correctly under existing law — that the household saw little benefit from your labor while the business absorbed it all, supporting a larger reimbursement or community claim. The mirror-image risk applies if your spouse works in the business: failing to compensate them fairly creates their own reimbursement claim for uncompensated labor. A protect business prenup resolves both risks by classifying business income and the spouse's contributions in advance.
Prenup vs. Declaration of Paraphernality vs. Postnup
Louisiana offers three tools to protect business separate property, and they operate differently. A prenup (matrimonial agreement) is a bilateral contract signed before marriage that establishes separation of property. A declaration of paraphernality is a unilateral act reserving the fruits of property that is already separate. A postnup requires court approval under La. Civ. Code art. 2329.
| Tool | Timing | Court Approval | What It Does |
|---|---|---|---|
| Prenup (matrimonial agreement) | Before marriage | None required | Establishes separation of property; classifies business + income as separate |
| Postnup (during marriage) | During marriage | Required (joint petition, best-interest finding) | Modifies/terminates community regime |
| New-resident agreement | Within 1 year of LA domicile | None (Art. 2332) | Lets newcomers contract without court approval |
| Declaration of paraphernality | During marriage | None | Reserves fruits of already-separate property as separate |
A declaration of paraphernality cannot convert community property into separate property — it only documents what is already separate. For business owners, the prenup is the strongest tool because it is bilateral, comprehensive, and avoids the court-approval hurdle that applies to postnups during marriage.
Recording Your Prenup to Bind Third Parties
A Louisiana matrimonial agreement binds third parties only when recorded — in the parish conveyance records where real estate is located, and in the parish of the spouses' domicile for movable property such as business interests. Without recordation, the agreement is valid between spouses but may not protect against creditor or third-party claims on community-appearing assets.
For a business owner, recordation matters because business interests are movable property. To make the separation-of-property regime effective against third parties — including business creditors and counterparties — file the agreement in the conveyance records of the parish where the spouses are domiciled. If the business owns real estate, also record in each parish where that real property sits. This step is frequently overlooked, leaving an otherwise-valid LLC prenup unenforceable against outside parties. Recordation is inexpensive relative to the protection it provides, and an experienced Louisiana family law attorney will handle filing as part of drafting.
Costs and Practical Steps
The cost to enforce property rights at divorce in Louisiana runs $200-$600 in parish filing fees, plus service fees of $50-$100 and business valuation expert costs that can reach thousands of dollars. A prenup drafted in advance avoids the largest of these — expert valuation battles. As of June 2026, verify exact filing fees with your local parish clerk of court.
Practical steps for a business owner securing a prenup in Louisiana:
- Inventory the business: entity type (LLC, corporation, partnership), pre-marriage value, and ownership documents.
- Engage separate counsel: each spouse should ideally have independent representation to support enforceability.
- Draft the matrimonial agreement establishing separation of property under La. Civ. Code art. 2328.
- Expressly reserve business fruits and income as separate under La. Civ. Code art. 2339, and waive La. Civ. Code art. 2368 reimbursement claims.
- Execute as an authentic act before a Louisiana notary and two witnesses, before the wedding.
- Record the agreement in the parish conveyance records to bind third parties.
Filing fees and procedures vary by parish. Verify current amounts with your clerk of court before filing.