Prenuptial Agreements in Louisiana: 2026 Complete Guide to Matrimonial Contracts

By Antonio G. Jimenez, Esq.Louisiana24 min read

At a Glance

Residency requirement:
To file for divorce in Louisiana, one or both spouses must be domiciled in the state at the time of filing. Under Louisiana Code of Civil Procedure Article 10(B), a spouse who has established and maintained a residence in a Louisiana parish for at least six months is presumed to be domiciled in the state.
Filing fee:
$200–$600
Waiting period:
Louisiana uses a shared income model to calculate child support under Louisiana Revised Statutes §9:315 et seq. The court determines each parent's gross income, calculates the combined adjusted gross income, and references the Child Support Schedule (R.S. §9:315.19) to find the basic support obligation, which is then allocated proportionally based on each parent's share of income.

As of March 2026. Reviewed every 3 months. Verify with your local clerk's office.

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Prenuptial Agreements in Louisiana: 2026 Complete Guide to Matrimonial Contracts

By Antonio G. Jimenez, Esq. | Florida Bar No. 21022 | Covering Louisiana divorce law

A prenuptial agreement in Louisiana, legally termed a matrimonial agreement, is a contract that modifies or terminates the default community property regime governing marital assets. Under Louisiana Civil Code Article 2331, these agreements must be executed by authentic act before a notary public and two witnesses, or privately signed and later acknowledged before a notary, with all formalities completed before the marriage ceremony. Louisiana prenup costs range from $720 for simple agreements with one attorney to over $10,000 for complex matrimonial contracts requiring dual representation, with parish recording fees of $105-$205 depending on document length. Unlike the 44 states that adopted the Uniform Premarital Agreement Act, Louisiana's unique civil law system requires strict adherence to authentic act procedures, making proper execution critical to enforceability.

Key Facts: Louisiana Prenuptial Agreements

RequirementDetails
Legal NameMatrimonial Agreement
Formation MethodAuthentic act (notary + 2 witnesses) or private signature with acknowledgment
Attorney Fees$149-$342 per hour (2026 rates)
Total Cost Range$720-$10,000+
Recording Fees$105 (1-5 pages) to $205 (6-25 pages)
Timing RequirementBefore marriage ceremony
Default Property SystemCommunity property (La. C.C. Art. 2336)
Disclosure RequiredFull financial disclosure (court precedent)
Filing LocationParish conveyance records (La. C.C. Art. 2332)

What Is a Prenuptial Agreement in Louisiana?

A prenuptial agreement in Louisiana is defined by Louisiana Civil Code Article 2328 as a contract establishing a regime of separation of property or modifying or terminating the legal regime between spouses. Louisiana law refers to these contracts as matrimonial agreements rather than prenuptial agreements, reflecting the state's unique civil law heritage derived from Napoleonic Code. The most common purpose of a Louisiana prenup is opting out of the default community property system, with couples typically stipulating that each party's present and future earnings and assets will remain separate property. Unlike common law states, Louisiana allows matrimonial agreements to be executed both before marriage (prenuptial) and during marriage (postnuptial), though post-marriage agreements require court approval if they modify the community property regime under La. C.C. Art. 2329.

Louisiana's Community Property System and Why Prenups Matter

Louisiana operates under a community property regime by default, meaning property acquired during marriage through the effort, skill, or industry of either spouse becomes jointly owned community property under Louisiana Civil Code Article 2338. The community property system applies automatically when couples marry unless they execute a matrimonial agreement establishing different rules. Community property comprises not only earnings and acquisitions during marriage but also natural and civil fruits of community property, damages for loss or injury to community things, and all property not classified as separate under La. C.C. Art. 2341. Separate property includes assets owned before marriage, gifts or inheritances received by one spouse individually, and property acquired with separate funds. Without a prenuptial agreement, all community property is divided equally (50/50) upon divorce under Louisiana's equal division rule. A properly drafted matrimonial agreement allows couples to designate specific assets as separate property, establish rules for managing income and acquisitions during marriage, and create alternative division schemes that reflect their financial goals and contributions.

Formation Requirements: Authentic Acts and Execution Procedures

Louisiana prenuptial agreements must satisfy strict formation requirements under Louisiana Civil Code Article 2331, which mandates execution by authentic act or by act under private signature duly acknowledged by the spouses. An authentic act requires the prenuptial agreement to be signed by both parties in the presence of a notary public and two competent witnesses, with all parties signing the document simultaneously. The notary must be commissioned in Louisiana and authorized to perform notarial acts, while the two witnesses must be present during the entire execution and sign the document alongside the parties. Alternatively, couples may execute the prenup by private signature and later acknowledge their signatures before a notary, court, or other authorized official, though this acknowledgment must occur before the marriage takes place. The Louisiana Supreme Court has ruled that proper acknowledgment of signatures prior to marriage is mandatory, and failure to complete these formalities before the wedding ceremony renders the agreement void and unenforceable. Louisiana Revised Statutes Section 35:702 specifically excludes matrimonial agreements from remote notarization provisions, meaning no fully remote execution option exists that guarantees enforceability.

What Can Be Included in a Louisiana Prenup

Louisiana prenuptial agreements may address property division, asset classification, debt allocation, spousal support limitations, business ownership rights, inheritance provisions, and financial management during marriage. Under La. C.C. Art. 2328, spouses are free to establish a regime of separation of property or modify the legal community property regime as provided by law. Common provisions include designating all future earnings as separate property (opting out of community property), protecting pre-marital assets from claims during divorce, shielding one spouse from the other's business debts, establishing separate bank accounts and credit arrangements, defining ownership of real estate and investment accounts, limiting or waiving spousal support obligations, and protecting family inheritances or trust assets. Louisiana prenups may also include terms regarding real estate acquired during marriage, retirement account contributions, professional practice income, and division of marital residence. The agreement can specify which spouse manages particular assets and establish procedures for buying, selling, or mortgaging property during the marriage.

What Cannot Be Included in a Louisiana Prenup

Louisiana law imposes significant restrictions on prenuptial agreement content under Louisiana Civil Code Article 2330 and public policy limitations. Spouses cannot use a matrimonial agreement to renounce or alter the marital portion, change the established order of succession, limit a spouse's right to obligate the community, or restrict the ability to alienate, encumber, or lease community property with respect to third parties. Prenuptial agreements cannot include provisions regarding child support obligations, child custody arrangements, parenting time schedules, decision-making authority over children, or any matter affecting the best interests of minor children. Louisiana courts retain exclusive jurisdiction over child-related issues regardless of prenup terms. Prenups also cannot waive temporary spousal support during divorce proceedings (alimony pendente lite), include non-financial lifestyle provisions like household chores or frequency of intimacy, impose penalties for infidelity beyond property division impacts, or waive the right to a community property partition action. Agreements containing illegal provisions or attempting to facilitate future divorce are unenforceable. Louisiana public policy prohibits contractual terms that encourage marital dissolution or violate statutory protections for vulnerable spouses.

Cost of a Prenuptial Agreement in Louisiana

Louisiana prenup costs in 2026 range from $720 to $10,000 or more depending on complexity, attorney representation, and asset portfolio size. A simple prenuptial agreement prepared with one attorney representing both parties (not recommended for fairness concerns) costs approximately $720-$2,500. Moderate complexity agreements with separate counsel for each spouse typically cost $3,000-$6,000 total, with each attorney charging $1,500-$3,000 for drafting, review, and negotiation. Complex matrimonial agreements involving business ownership, multiple properties, investment portfolios, trusts, or significant net worth can exceed $10,000 when both parties retain experienced family law attorneys. Louisiana attorney hourly rates range from $149 to $342 per hour in 2026, with experienced prenup lawyers typically charging $250-$350 per hour in urban markets like New Orleans and Baton Rouge. In addition to legal fees, couples must pay parish recording fees ranging from $105 for agreements of 1-5 pages to $205 for agreements of 6-25 pages under Louisiana Revised Statutes Section 13:844. Online prenup platforms charge $149-$599 but still require in-person notarization with two witnesses in Louisiana, adding $50-$150 for notary services.

Filing Requirements: Recording with Parish Conveyance Records

Louisiana requires prenuptial agreements to be filed in the conveyance records of the parish where the spouses are domiciled and, if applicable, in each parish where the couple owns immovable property under Louisiana Civil Code Article 2332. Filing makes the matrimonial agreement effective against third parties such as creditors, banks, business partners, and subsequent purchasers of property. If spouses maintain legal domicile in separate parishes, a copy must be filed in each parish's conveyance records. The recording process involves submitting the original notarized prenup to the parish clerk of court's office along with the applicable recording fee. As of 2026, recording fees are $105 for documents of 1-5 pages and $205 for documents of 6-25 pages, as established by Louisiana statutes. Larger documents incur additional per-page charges. While filing is not required for the prenup to be valid between the spouses themselves, unrecorded matrimonial agreements cannot be enforced against third parties who may claim interests in the property. This filing requirement serves as public notice of the altered property regime and protects both spouses from creditor claims based on assumptions about community property ownership. Couples should complete parish recording promptly after executing the prenup to ensure full enforceability.

Financial Disclosure Requirements in Louisiana

Louisiana does not have a specific statute requiring financial disclosure for prenuptial agreements, unlike the 27 states that adopted the Uniform Premarital Agreement Act with its mandatory disclosure provisions. However, Louisiana courts have consistently invalidated prenuptial agreements where one party lacked knowledge of the other's financial situation or where material assets were concealed. Court precedent establishes that enforceability requires full disclosure by each party and the absence of fraud, duress, or misrepresentation. Each spouse must provide an honest account of their property, income, debts, and financial obligations before signing the matrimonial agreement. Louisiana courts expect transparency regarding ownership of real estate, bank accounts, retirement funds, investment portfolios, business interests, valuable personal property, outstanding loans, credit card debt, tax liabilities, and pending legal claims. If one party hides significant assets during prenup negotiations, the court may refuse enforcement based on fraud or bad faith. Full disclosure protects both parties by ensuring voluntary, informed consent to the agreement's terms. Many Louisiana family law attorneys recommend attaching financial disclosure schedules to the prenuptial agreement listing each spouse's assets and liabilities with estimated values, though this is not legally mandated.

Enforceability Standards: When Louisiana Courts Uphold Prenups

Louisiana courts generally favor enforcing properly executed prenuptial agreements that satisfy formation requirements and substantive fairness standards. Assuming a Louisiana prenup meets the authentic act execution formalities under La. C.C. Art. 2331, enforceability is presumed as long as there is no fraud, duress, or misrepresentation in its making. The enforceability analysis focuses on three key elements: procedural validity (proper execution before notary and witnesses, completion before marriage, voluntary signatures), substantive fairness (full financial disclosure, conscionable terms not grossly unfair to either party, absence of concealment or deception), and statutory compliance (no prohibited provisions, adherence to La. C.C. Art. 2330 limitations, filing in parish records for third-party effect). A prenuptial agreement must be conscionable both at the time of execution and at the time of enforcement, meaning circumstances may change sufficiently to render once-fair terms unconscionable. However, Louisiana courts apply a strong presumption in favor of enforcing agreements between sophisticated parties who had opportunity to consult independent counsel. The party challenging the prenup bears the burden of proving procedural defects, fraud, duress, lack of disclosure, or unconscionability. Courts will not invalidate agreements merely because one party negotiated more favorable terms or because circumstances changed during the marriage.

Grounds for Challenging a Louisiana Prenup

Louisiana prenuptial agreements can be challenged and set aside on several legal grounds including procedural defects, fraud, duress, unconscionability, and lack of disclosure. Procedural invalidity occurs when the prenup was not executed as an authentic act with proper notary and witness formalities, when signatures were not completed before the marriage ceremony, or when acknowledgments were defective. The Louisiana Supreme Court has voided prenuptial agreements for signature execution defects even when parties intended to be bound by the agreement's terms. Fraud grounds include material misrepresentation of assets or liabilities, concealment of significant property or income, false statements about business interests or debts, or deceptive conduct during negotiation that induced agreement. Duress challenges involve coercion, threats, ultimatums presented immediately before the wedding, insufficient time to review the agreement or consult counsel, or emotional or financial pressure that overcame free will. Unconscionability requires showing the agreement's terms are so grossly unfair that no reasonable person would voluntarily accept them, often involving complete waiver of support rights coupled with gross asset disparity. Lack of disclosure challenges focus on one party's failure to reveal material financial information that would have affected the other party's decision to sign. Courts also invalidate prenups containing illegal provisions, violating public policy, attempting to waive child support, or encouraging divorce.

Postnuptial Agreements vs. Prenuptial Agreements in Louisiana

Louisiana law permits both prenuptial agreements (executed before marriage) and postnuptial agreements (executed during marriage) under the matrimonial agreement framework in Louisiana Civil Code Articles 2328-2332. The key distinction is timing and court approval requirements. Prenuptial agreements must be completed before the marriage ceremony but do not require judicial approval, while postnuptial agreements executed after marriage or after one year of Louisiana domicile can establish a matrimonial regime different from community property but require court approval under La. C.C. Art. 2329. Postnuptial agreements follow the same authentic act execution requirements as prenups, mandating notary and witness formalities. Court approval for postnups involves filing a petition in the parish where spouses are domiciled, providing notice to creditors, and obtaining judicial authorization of the agreement's terms. Both prenuptial and postnuptial agreements must be filed in parish conveyance records to affect third parties. Postnuptial agreements are sometimes used when couples failed to execute a prenup before marriage, when financial circumstances change significantly during marriage, when one spouse receives a large inheritance or business interest requiring protection, or when reconciling after marital difficulties and establishing new financial arrangements. The court approval requirement for postnups adds time and expense but provides judicial oversight of fairness.

Do You Need Separate Attorneys for a Louisiana Prenup?

While Louisiana law does not mandate that each party retain separate legal counsel for prenuptial agreements, independent representation is strongly recommended for enforceability and fairness protection. Louisiana courts scrutinize prenups more closely when one party was unrepresented or when a single attorney purported to represent both parties' interests. Having separate attorneys ensures each spouse receives independent advice about the agreement's legal implications, understands rights being waived under Louisiana's community property system, negotiates from an informed position, and voluntarily consents to the prenup's terms without undue influence. The presence of independent counsel creates a strong presumption of informed consent and voluntary agreement, making later challenges more difficult. When one party is unrepresented, courts may find the agreement procedurally unfair if that party lacked legal sophistication, did not fully understand complex financial provisions, or signed under time pressure without opportunity to seek advice. Costs increase when both parties retain counsel (typically $3,000-$6,000 total vs. $720-$2,500 for shared representation), but the investment provides critical protection against future invalidity claims. Each attorney can also assist with gathering financial disclosures, negotiating fair terms, ensuring statutory compliance, and supervising the authentic act execution.

Prenups and Business Ownership in Louisiana

Louisiana prenuptial agreements are particularly valuable for business owners seeking to protect company ownership, control, and value from community property claims during marriage or divorce. Under Louisiana's default community property regime, income and growth in value of a business operated during marriage can become community property even if the business entity itself is separate property. A properly drafted prenup can classify the business as separate property, designate all business income and appreciation as separate property, exclude the non-owner spouse from management decisions and profit distributions, protect the business from claims by the non-owner spouse during divorce, prevent forced sale or partition of the business, shield business assets from the other spouse's personal debts and liabilities, and establish buyout procedures or valuation methods if the marriage ends. For closely held corporations, partnerships, and LLCs, prenups often include provisions confirming that the business entity remains separate property, all compensation and distributions are separate income, business value increases are not subject to community property claims, and the non-owner spouse waives claims to goodwill, client relationships, and intellectual property. Business succession planning also benefits from prenups that ensure company ownership passes according to estate plans rather than community property division rules. Louisiana attorneys often coordinate prenup terms with operating agreements, shareholder agreements, and partnership documents to ensure consistent asset protection.

Prenups and Spousal Support in Louisiana

Louisiana prenuptial agreements may include provisions limiting or waiving final periodic spousal support (alimony) obligations after divorce, subject to enforceability limitations and judicial review. Under Louisiana Civil Code Article 112, final periodic support may be awarded when the claimant spouse lacks sufficient income to meet reasonable needs and the other spouse has the ability to pay. Prenups can establish support waivers, cap monthly payments at specific amounts, limit support duration to a fixed period, establish formulas based on marriage length or income disparity, or create alternative property division in lieu of support. However, Louisiana law prohibits prenuptial waivers of temporary spousal support (alimony pendente lite) during divorce proceedings, as this temporary support is considered a matter of public policy that cannot be contracted away. Courts also retain authority to review support waivers for unconscionability at the time of divorce enforcement, particularly when circumstances changed dramatically during marriage or when waiver leaves one spouse impoverished. Support provisions are more likely to be enforced when both parties had independent counsel, financial disclosure was complete, the waiver was negotiated rather than presented as take-it-or-leave-it, and alternative property provisions provide fair compensation. Louisiana courts are less likely to enforce complete support waivers in long-term marriages (20+ years) where one spouse sacrificed career advancement for child-rearing or homemaking, particularly if that spouse lacks earning capacity or retirement security.

Modifying or Revoking a Louisiana Prenuptial Agreement

Louisiana prenuptial agreements can be modified or revoked after execution through written agreement of both spouses, subject to the same formalities required for original formation. Under Louisiana Civil Code Article 2329, spouses may terminate a matrimonial regime and may modify it by adopting another regime, with the new agreement requiring court approval if executed after marriage or after one year of Louisiana domicile. Modification or revocation must be accomplished by authentic act (notary and two witnesses) or private signature with acknowledgment, and the modifying agreement must be filed in parish conveyance records to affect third parties under La. C.C. Art. 2332. Oral modifications are invalid and unenforceable under Louisiana's authentic act requirements. Prenuptial agreements can also be deemed revoked by conduct when spouses treat property contrary to prenup terms over an extended period, though courts require clear and consistent evidence of mutual intent to abandon the agreement. Divorce automatically terminates the matrimonial regime and the prenuptial agreement's ongoing effect, though property division provisions remain operative for determining separate vs. community classification. Louisiana law does not recognize unilateral revocation or modification of prenuptial agreements; both parties must consent to any changes. Couples considering modifications should consult family law attorneys to ensure proper execution and filing to avoid creating ambiguity about which provisions remain in effect.

How Long Before the Wedding Should You Sign a Prenup?

Louisiana couples should complete prenuptial agreement execution at least 30-60 days before the wedding ceremony to avoid duress claims and ensure sufficient time for negotiation, legal review, and proper notarial formalities. While Louisiana law does not mandate a specific waiting period between prenup signing and marriage (unlike states requiring 7-14 days), presenting a prenuptial agreement days or hours before the wedding creates significant risk that courts will find coercion, duress, or insufficient opportunity for review. The Louisiana Supreme Court has emphasized that voluntary consent requires adequate time for each party to understand terms, consult independent counsel, review financial disclosures, negotiate modifications, and make an informed decision without pressure. Best practices recommend beginning prenup discussions 3-6 months before the wedding, allowing time for initial drafts and negotiations, retaining separate attorneys for both parties, exchanging complete financial disclosures, reviewing and revising terms through multiple drafts, scheduling the authentic act execution with notary and witnesses, and filing the agreement in parish conveyance records. Rushed prenups signed within days of the wedding are frequently challenged on duress grounds, particularly when one party had minimal notice, lacked attorney representation, or felt pressured to sign to avoid canceling the ceremony. Financial and emotional pressure close to the wedding date can constitute duress even absent explicit threats, as the non-initiating party may feel unable to postpone the ceremony or lose deposits.

Prenups for Second Marriages in Louisiana

Prenuptial agreements are particularly important for second marriages in Louisiana where one or both spouses have children from prior relationships, accumulated separate property, or business interests requiring protection. Second marriage prenups typically address preservation of assets for children from first marriage through estate planning coordination, protection of inheritance rights for biological children, classification of existing retirement accounts and real estate as separate property, management of spousal support obligations from prior marriages, allocation of existing debts and liabilities, and protection of business interests or professional practices. Louisiana's community property system creates complexity when spouses enter marriage with substantial separate property, as distinguishing between pre-marital separate assets and marital community property becomes challenging without clear contractual guidelines. Second marriage prenups often include survivorship provisions coordinating with wills and trusts to ensure children from first marriages receive intended inheritances. The prenup can specify that certain assets pass to designated beneficiaries rather than to the surviving spouse, confirm separate ownership of life insurance policies, and establish that retirement accounts remain separate property. Louisiana courts recognize that parties entering second marriages often have legitimate interests in protecting assets for children from prior relationships, making these prenups more readily enforceable when properly executed with full disclosure. Couples in second marriages should address community property presumptions explicitly, as Louisiana law presumes all property acquired during marriage is community property unless clear evidence proves separate ownership.

Common Mistakes in Louisiana Prenuptial Agreements

Louisiana couples frequently make critical errors in prenuptial agreement formation that render agreements unenforceable including improper execution without required authentic act formalities, signing after the marriage ceremony rather than before, using online forms without Louisiana-specific provisions, failing to include complete financial disclosures, omitting parish conveyance records filing, including prohibited provisions on child support or custody, attempting remote notarization instead of in-person execution, having only one witness instead of two required witnesses, presenting the prenup too close to the wedding date, failing to retain independent counsel for both parties, including vague or ambiguous property classification terms, not updating the prenup after significant financial changes, attempting oral modifications without written agreements, failing to coordinate prenup terms with estate planning documents, and waiving spousal support without providing alternative compensation. The Louisiana Supreme Court has invalidated prenups for technical signature defects even when parties intended to be bound, emphasizing the importance of precise compliance with Louisiana Civil Code Article 2331 formalities. Other common mistakes include using generic prenup templates from other states that do not address Louisiana's unique matrimonial regime structure, failing to address specific assets like business interests or inherited property, including unenforceable penalty provisions for marital misconduct, and inadequate provision for changed circumstances during long marriages. Consulting experienced Louisiana family law attorneys before drafting prevents these costly mistakes and ensures the prenup will withstand future challenges.

Prenups vs. Separate Property Designation in Louisiana

Louisiana offers two primary methods for establishing separate property rights in marriage: prenuptial agreements under Louisiana Civil Code Articles 2328-2332 and statutory separate property classification under La. C.C. Art. 2341. Statutory separate property includes assets acquired before marriage, property acquired by gift or inheritance during marriage, damages for personal injury (except lost wages), and property acquired with separate funds. This classification occurs automatically by operation of law without requiring a prenuptial agreement. However, tracing separate property through commingling and transformation during marriage requires clear records and documentation. Prenuptial agreements provide advantages over relying solely on statutory separate property rules by clearly designating specific assets as separate, establishing that income from separate property remains separate (overriding the community property presumption for natural and civil fruits), protecting business appreciation and goodwill as separate, preventing transmutation of separate property through joint titling or commingling, and creating contractual proof of separate ownership that reduces litigation expenses. Without a prenup, Louisiana courts presume all property acquired during marriage is community property under La. C.C. Art. 2338, placing the burden on the claiming spouse to prove separate ownership through tracing evidence. Prenups shift this burden by establishing contractual classifications that courts must honor absent fraud or procedural defects.

Frequently Asked Questions

How much does a prenup cost in Louisiana?

Louisiana prenuptial agreements cost $720-$2,500 for simple agreements with one attorney, $3,000-$6,000 for moderate complexity with separate counsel, and $10,000+ for complex matrimonial contracts involving business ownership or substantial assets. Attorney hourly rates range from $149-$342 in 2026, with parish recording fees of $105-$205.

Do both parties need attorneys for a Louisiana prenup?

Louisiana law does not mandate separate attorneys, but independent representation for each spouse is strongly recommended. Courts scrutinize prenups more carefully when one party was unrepresented, and having separate counsel creates a strong presumption of voluntary consent and informed decision-making.

Can we do a prenup after getting married in Louisiana?

Yes, Louisiana permits postnuptial agreements (matrimonial agreements executed during marriage), but they require court approval if they modify the community property regime under La. C.C. Art. 2329. Postnups follow the same authentic act requirements as prenuptial agreements and must be filed in parish conveyance records.

What makes a prenup invalid in Louisiana?

Louisiana prenups are invalid if not executed as an authentic act before a notary and two witnesses, signed after the marriage ceremony rather than before, procured by fraud or duress, lacking full financial disclosure, containing prohibited provisions on child support or custody, or so unconscionable that no reasonable person would agree to the terms.

Does Louisiana require financial disclosure for prenups?

Louisiana has no specific statute requiring financial disclosure, unlike states that adopted the Uniform Premarital Agreement Act. However, Louisiana courts have consistently invalidated prenups where material assets were concealed or one party lacked knowledge of the other's financial situation, establishing disclosure as a practical requirement for enforceability.

Can a prenup waive spousal support in Louisiana?

Louisiana prenups may limit or waive final periodic spousal support after divorce, subject to judicial review for unconscionability. However, prenups cannot waive temporary spousal support (alimony pendente lite) during divorce proceedings, as this is considered a matter of public policy under Louisiana law.

How long before the wedding should we sign a prenup?

Louisiana couples should complete prenup execution at least 30-60 days before the wedding to avoid duress challenges. While no statutory waiting period exists, presenting a prenup days before the ceremony creates risk of invalidity based on coercion, pressure, or insufficient time for legal review and voluntary consent.

Do we have to file our prenup with the court in Louisiana?

Yes, Louisiana requires prenuptial agreements to be filed in the conveyance records of each parish where spouses are domiciled or own immovable property under La. C.C. Art. 2332. Filing costs $105-$205 and makes the agreement enforceable against third parties like creditors and banks.

Can we modify our prenup after we're married?

Yes, Louisiana prenups can be modified by written agreement of both spouses executed as an authentic act and filed in parish conveyance records. Post-marriage modifications require court approval under La. C.C. Art. 2329 if they alter the community property regime. Oral modifications are invalid.

What is the difference between a prenup and matrimonial agreement in Louisiana?

In Louisiana legal terminology, a matrimonial agreement is the civil law term for contracts that establish or modify the property regime between spouses, encompassing both prenuptial agreements (executed before marriage) and postnuptial agreements (executed during marriage) under Louisiana Civil Code Articles 2328-2332.


Disclaimer: This guide provides general information about Louisiana prenuptial agreement law as of 2026 and does not constitute legal advice. Prenuptial agreement requirements, enforceability standards, and attorney fees vary based on individual circumstances. Consult a licensed Louisiana family law attorney before executing a matrimonial agreement to ensure compliance with authentic act formalities, proper parish filing, and protection of your legal rights.

Sources:

Frequently Asked Questions

How much does a prenup cost in Louisiana?

Louisiana prenuptial agreements cost $720-$2,500 for simple agreements with one attorney, $3,000-$6,000 for moderate complexity with separate counsel, and $10,000+ for complex matrimonial contracts involving business ownership or substantial assets. Attorney hourly rates range from $149-$342 in 2026, with parish recording fees of $105-$205.

Do both parties need attorneys for a Louisiana prenup?

Louisiana law does not mandate separate attorneys, but independent representation for each spouse is strongly recommended. Courts scrutinize prenups more carefully when one party was unrepresented, and having separate counsel creates a strong presumption of voluntary consent and informed decision-making.

Can we do a prenup after getting married in Louisiana?

Yes, Louisiana permits postnuptial agreements (matrimonial agreements executed during marriage), but they require court approval if they modify the community property regime under La. C.C. Art. 2329. Postnups follow the same authentic act requirements as prenuptial agreements and must be filed in parish conveyance records.

What makes a prenup invalid in Louisiana?

Louisiana prenups are invalid if not executed as an authentic act before a notary and two witnesses, signed after the marriage ceremony rather than before, procured by fraud or duress, lacking full financial disclosure, containing prohibited provisions on child support or custody, or so unconscionable that no reasonable person would agree to the terms.

Does Louisiana require financial disclosure for prenups?

Louisiana has no specific statute requiring financial disclosure, unlike states that adopted the Uniform Premarital Agreement Act. However, Louisiana courts have consistently invalidated prenups where material assets were concealed or one party lacked knowledge of the other's financial situation, establishing disclosure as a practical requirement for enforceability.

Can a prenup waive spousal support in Louisiana?

Louisiana prenups may limit or waive final periodic spousal support after divorce, subject to judicial review for unconscionability. However, prenups cannot waive temporary spousal support (alimony pendente lite) during divorce proceedings, as this is considered a matter of public policy under Louisiana law.

How long before the wedding should we sign a prenup?

Louisiana couples should complete prenup execution at least 30-60 days before the wedding to avoid duress challenges. While no statutory waiting period exists, presenting a prenup days before the ceremony creates risk of invalidity based on coercion, pressure, or insufficient time for legal review and voluntary consent.

Do we have to file our prenup with the court in Louisiana?

Yes, Louisiana requires prenuptial agreements to be filed in the conveyance records of each parish where spouses are domiciled or own immovable property under La. C.C. Art. 2332. Filing costs $105-$205 and makes the agreement enforceable against third parties like creditors and banks.

Can we modify our prenup after we're married?

Yes, Louisiana prenups can be modified by written agreement of both spouses executed as an authentic act and filed in parish conveyance records. Post-marriage modifications require court approval under La. C.C. Art. 2329 if they alter the community property regime. Oral modifications are invalid.

What is the difference between a prenup and matrimonial agreement in Louisiana?

In Louisiana legal terminology, a matrimonial agreement is the civil law term for contracts that establish or modify the property regime between spouses, encompassing both prenuptial agreements (executed before marriage) and postnuptial agreements (executed during marriage) under Louisiana Civil Code Articles 2328-2332.

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Written By

Antonio G. Jimenez, Esq.

Florida Bar No. 21022 | Covering Louisiana divorce law

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