What Should Be in a Prenup in Indiana? Complete 2026 Checklist

Indiana prenuptial agreements must be in writing and signed by both parties under Indiana Code § 31-11-3-4, with 8 primary clause categories permitted: property rights, asset management, disposition upon divorce or death, spousal maintenance modification, estate planning provisions, debt allocation, life insurance requirements, and choice of law. The average Indiana prenup costs $1,500 to $3,500 per spouse when attorney-drafted, and courts enforce agreements that meet the two-prong test of voluntary execution and non-unconscionability under IC 31-11-3-8. Understanding what to include in a prenup in Indiana requires careful attention to both mandatory requirements and prohibited provisions that could void the entire agreement.

Property Division and Asset Classification Clauses

Indiana prenuptial agreements must clearly classify each asset as either separate property (not divisible in divorce) or marital property (subject to division), with specific valuation dates and growth allocation terms. Under Indiana Code § 31-11-3-5, couples may contract regarding the rights and obligations of each party in any property, whether acquired before or during the marriage. Indiana operates as a one pot state under IC 31-15-7-4, meaning courts can technically divide all property owned by either spouse, including premarital assets and inheritances, making prenuptial protection especially valuable.

When determining what to include in a prenup in Indiana, property clauses should address these specific asset categories:

• Real estate holdings, including the family residence, investment properties, and vacation homes with current values and appreciation allocation
• Bank accounts, investment portfolios, and brokerage accounts with designated separate or marital status
• Business interests, including ownership percentages, valuation methods, and buyout procedures
• Retirement accounts such as 401(k)s, IRAs, and pension plans with contribution date tracking
• Vehicles, jewelry, art, and collectibles exceeding $5,000 in value
• Intellectual property, patents, royalties, and licensing income streams
• Cryptocurrency holdings and digital assets with wallet addresses documented
• Expected inheritances and gifts with source documentation requirements

Indiana courts begin divorce proceedings with a presumption that 50/50 division is just and reasonable under IC 31-15-7-5. However, prenuptial agreements can override this default and establish alternative division percentages, such as 60/40 splits or specific asset allocations. The agreement should specify how growth on assets will be treated, as a $500,000 investment portfolio acquired before marriage could double during a 20-year marriage.

Spousal Maintenance Modification and Waiver Provisions

Indiana prenuptial agreements can modify or completely eliminate spousal maintenance (alimony) obligations under IC 31-11-3-5, though courts retain override authority when enforcement would cause extreme hardship due to unforeseen circumstances under IC 31-11-3-8(b). Indiana ranks among the more restrictive states for spousal maintenance, awarding it primarily in three scenarios: incapacitated spouses, caretaker spouses of incapacitated children, or rehabilitative support limited to 3 years under IC 31-15-7-2.

Effective spousal maintenance clauses in Indiana prenups should specify:

• Complete waiver of maintenance rights, with each party acknowledging independent earning capacity
• Modification provisions that limit duration (e.g., no maintenance for marriages under 5 years)
• Amount caps expressed as percentages of income or fixed dollar figures adjusted for inflation
• Triggering conditions that must occur before maintenance becomes payable (disability, unemployment exceeding 12 months)
• Sunset clauses that automatically terminate maintenance obligations after specified periods
• Cohabitation or remarriage provisions that end support payments immediately

The extreme hardship exception under IC 31-11-3-8(b) applies only to circumstances not reasonably foreseeable at the time of execution. For example, a spouse who develops a debilitating illness 15 years into the marriage might successfully challenge a maintenance waiver, but career stagnation or ordinary financial setbacks typically do not qualify. Indiana courts interpret this exception narrowly to preserve the parties original intent.

Debt Allocation and Liability Protection Terms

Indiana prenuptial agreements should allocate responsibility for premarital debts and establish rules for debts incurred during marriage, protecting each spouse from the other's financial obligations. Without a prenup, Indiana courts may require both parties to share marital debts under the equitable distribution framework of IC 31-15-7-4. Student loan debt, which averaged $37,000 per borrower nationally in 2025, frequently motivates Indiana couples to include comprehensive debt provisions.

Debt allocation clauses when considering what to include in a prenup in Indiana should cover:

• Student loan obligations with current balances, lenders, and repayment timelines
• Credit card debt with account numbers, balances, and interest rates
• Mortgages and home equity lines of credit with property addresses
• Auto loans and lease obligations with vehicle identification
• Business debts and personal guarantees with creditor information
• Tax liabilities including back taxes, payment plans, and potential audits
• Medical debt and ongoing treatment costs
• Indemnification provisions requiring the debtor-spouse to hold the other harmless

Indiana prenups can establish that premarital debts remain the sole responsibility of the spouse who incurred them, preventing creditors from pursuing marital assets. For debts incurred during marriage, couples commonly agree that the spouse who incurs the debt bears sole responsibility, or alternatively that debts for household necessities will be shared equally while discretionary debts remain individual obligations.

Estate Planning Integration Provisions

Indiana prenuptial agreements can require spouses to execute wills or trusts that mirror the prenup terms, and can waive spousal elective share rights that would otherwise entitle a surviving spouse to a statutory portion of the deceased spouse's estate. Under IC 31-11-3-5, parties may contract regarding the making of a will, trust, or other arrangement to carry out the provisions of the agreement. Indiana's elective share statute grants surviving spouses the right to claim one-half of the net estate if there are no surviving children, or one-third if children survive.

Estate planning provisions in Indiana prenups typically address:

• Waiver of spousal elective share rights under Indiana probate law
• Requirements to maintain wills or trusts consistent with prenup property division
• Life insurance policy requirements with minimum death benefit amounts
• Beneficiary designation requirements for retirement accounts and payable-on-death assets
• Provisions protecting children from prior marriages by preserving separate property for their inheritance
• Trust funding requirements with specified assets and contribution timelines
• Provisions regarding jointly owned property and rights of survivorship

Couples with children from previous relationships particularly benefit from estate planning integration, as prenups can ensure that family wealth passes to biological children rather than becoming subject to the new spouse's claims. The average Indianapolis estate planning attorney charges $300 to $500 per hour for prenup-related trust preparation, with simple wills running $500 to $1,500 and complex trusts exceeding $5,000.

Business Protection and Valuation Clauses

Indiana prenuptial agreements can protect business interests from division during divorce by classifying business ownership as separate property and establishing valuation methodologies in advance. Under Indiana's one pot approach, even businesses started before marriage can technically become subject to equitable distribution, making prenuptial protection essential for entrepreneurs. The average small business valuation costs $3,000 to $15,000 when conducted by a certified business appraiser.

Business protection clauses for Indiana prenups should include:

• Classification of business ownership interests as separate property
• Valuation methodology specification (asset-based, income-based, or market-based approaches)
• Valuation date triggers (date of filing, date of separation, or rolling average)
• Buy-out provisions if the non-owner spouse is entitled to any portion
• Active versus passive appreciation allocation formulas
• Prohibition on the non-owner spouse from claiming ownership in divorce
• Goodwill treatment (personal goodwill typically excluded, enterprise goodwill potentially included)
• Provisions for businesses started during marriage using separate property funds

Indiana courts have upheld prenuptial provisions that exclude business interests from division where the agreement clearly expresses that intent and the non-owner spouse received adequate consideration. For family businesses, prenups commonly require that any shares transferred to the non-owner spouse during marriage revert to the original owner upon divorce, preventing outsiders from gaining ownership in closely held enterprises.

Financial Disclosure Requirements and Documentation

Indiana prenuptial agreements should include comprehensive financial disclosures attached as exhibits, even though Indiana's version of the Uniform Premarital Agreement Act does not explicitly mandate disclosure as a condition of enforceability. The statute under IC 31-11-3-8 focuses on voluntariness and unconscionability rather than disclosure requirements, but courts examining unconscionability frequently consider whether both parties understood each other's financial positions. Full disclosure remains the best practice for ensuring enforceability.

Financial disclosure schedules attached to Indiana prenups typically include:

• Schedule A: Real property with addresses, legal descriptions, mortgages, and fair market values
• Schedule B: Personal property including vehicles, jewelry, art, and collectibles
• Schedule C: Bank accounts, investment accounts, and brokerage holdings with current balances
• Schedule D: Retirement accounts including 401(k)s, IRAs, and pensions with current values
• Schedule E: Business interests with ownership percentages and estimated values
• Schedule F: Liabilities including all debts, creditors, and outstanding balances
• Schedule G: Income sources with W-2s, tax returns, and business profit/loss statements
• Schedule H: Expected inheritances, trusts, and future interests

Indiana courts have found agreements unconscionable where one party concealed significant assets or where the disparity in financial positions was so extreme that enforcement would shock the conscience. Preparing these schedules typically requires 5 to 10 hours of document gathering and may involve accountant assistance at $150 to $300 per hour. The investment in thorough disclosure protects both parties and significantly reduces the risk of successful challenges during divorce.

Provisions That Cannot Be Included in Indiana Prenups

Indiana prenuptial agreements cannot include provisions affecting child custody, parenting time, or child support, as these matters remain within the court's jurisdiction to determine based on the child's best interests under IC 31-16-6-1. Courts will not enforce prenuptial terms that attempt to predetermine these issues, and including such provisions could cast doubt on the entire agreement's validity. Indiana public policy strongly protects children's welfare over parental contract rights.

Prohibited or problematic provisions in Indiana prenups include:

• Child custody arrangements or parenting time schedules
• Child support waivers, limitations, or predetermined amounts
• Provisions encouraging divorce or penalizing a spouse for seeking dissolution
• Terms requiring illegal conduct or violating criminal statutes
• Provisions waiving a spouse's right to seek court intervention in domestic violence situations
• Lifestyle clauses (weight requirements, infidelity penalties) that courts may view as against public policy
• Provisions waiving the right to attorney representation during divorce
• Terms that would leave one spouse destitute or eligible for public assistance

While Indiana courts generally enforce prenuptial agreements freely negotiated between parties, provisions deemed unconscionable or against public policy will be severed or may invalidate the entire agreement. The safer approach involves focusing prenuptial terms on property, debts, and spousal maintenance while leaving child-related matters for future determination should divorce occur.

Enforceability Requirements Under Indiana Law

Indiana prenuptial agreements must satisfy the two-prong enforceability test under IC 31-11-3-8: the agreement must be executed voluntarily, and it must not be unconscionable at the time of execution. Indiana courts have developed substantial case law interpreting these requirements, with common invalidation triggers including signing within 48 hours of the wedding, failing to disclose significant assets, and one-sided terms that leave a spouse destitute. Both parties should retain independent legal counsel, though Indiana does not statutorily mandate this requirement.

Enforceability best practices for Indiana prenups include:

• Signing at least 30 days before the wedding (preferably 60-90 days) to demonstrate voluntariness
• Each party retaining independent counsel with documentation of legal advice received
• Both parties providing comprehensive financial disclosures with supporting documentation
• Including acknowledgment paragraphs confirming each party read, understood, and voluntarily signed
• Avoiding provisions that would leave either party completely without assets or support
• Having the agreement notarized, though Indiana law does not require notarization
• Maintaining original signed copies in secure locations accessible to both parties
• Reviewing and potentially updating the agreement every 5 to 10 years or after major life changes

Indiana courts determine unconscionability as a matter of law under IC 31-11-3-8(c), examining the agreement's terms at the time of execution rather than at enforcement. An agreement that seemed fair when signed in 2026 will generally remain enforceable even if circumstances change significantly by 2040, unless the spousal maintenance exception for extreme hardship applies.

Amendment and Revocation Procedures

Indiana prenuptial agreements can be amended or revoked after marriage, but only through written agreement signed by both parties under IC 31-11-3-7. Oral modifications are unenforceable regardless of the parties' conduct, and courts will not imply amendments based on changed circumstances or the passage of time. Couples who wish to update their prenup after marriage typically execute a postnuptial agreement (also called a marital property agreement) following similar formality requirements.

Amendment and revocation provisions should address:

• Written amendment requirements specifying signature, notarization, and witness standards
• Partial amendment procedures allowing modification of specific provisions without voiding the entire agreement
• Integration clauses stating the prenup represents the complete agreement between parties
• Severability provisions preserving valid clauses if any provision is found unenforceable
• Choice of law provisions designating Indiana as the governing jurisdiction
• Dispute resolution procedures including mediation requirements before litigation
• Attorney fee allocation for enforcement actions
• Provisions requiring good faith negotiation of amendments upon specified triggering events

Indiana postnuptial agreements modifying prenups must satisfy the same enforceability standards as the original agreement. Consideration exists automatically in the marital relationship, but courts may scrutinize postnuptial modifications more closely for voluntariness, particularly where one spouse's circumstances have deteriorated since the wedding.

Frequently Asked Questions About Indiana Prenups

What is required for a prenup to be valid in Indiana?

Indiana requires prenuptial agreements to be in writing and signed by both parties under IC 31-11-3-4, with voluntary execution and non-unconscionable terms under IC 31-11-3-8. While notarization and witnesses are not statutorily required, courts view their presence favorably. The average Indiana prenup takes 4 to 8 weeks to negotiate and finalize.

Can a prenup waive alimony in Indiana?

Indiana prenuptial agreements can completely waive spousal maintenance (alimony) rights under IC 31-11-3-5, though courts retain authority to override waivers causing extreme hardship from unforeseeable circumstances. Indiana already limits maintenance primarily to incapacitated spouses and caretaker situations under IC 31-15-7-2, making waivers relatively straightforward to enforce.

How much does a prenup cost in Indiana?

Indiana prenuptial agreements cost $1,500 to $3,500 per spouse when attorney-drafted, with both spouses typically spending $3,000 to $7,000 total when each retains independent counsel. Online platforms offer DIY options for $599 to $699, while complex agreements involving business valuations or multi-state assets can exceed $10,000 per spouse.

Can a prenup protect my business in Indiana?

Indiana prenups can effectively protect business interests by classifying ownership as separate property and establishing valuation methodologies under IC 31-11-3-5. Without a prenup, Indiana's one pot approach under IC 31-15-7-4 allows courts to consider all property, including premarital businesses, when dividing assets.

What cannot be included in an Indiana prenup?

Indiana prenuptial agreements cannot include provisions affecting child custody, parenting time, or child support, as these remain within court jurisdiction under IC 31-16-6-1. Provisions requiring illegal conduct, encouraging divorce, or deemed against public policy will also be unenforceable and may jeopardize the entire agreement.

How far before the wedding should I sign a prenup in Indiana?

Indiana couples should sign prenuptial agreements at least 30 days before the wedding, with 60 to 90 days preferred to demonstrate voluntary execution. Agreements signed within 48 hours of the wedding face heightened scrutiny under the voluntariness requirement of IC 31-11-3-8, and rush fees can add 25% to 50% to attorney costs.

Can Indiana courts modify a prenup during divorce?

Indiana courts generally enforce prenuptial agreements as written but can modify spousal maintenance provisions causing extreme hardship from unforeseeable circumstances under IC 31-11-3-8(b). Courts may also sever unconscionable provisions while enforcing the remainder of the agreement under standard contract law principles.

Does my spouse need their own lawyer for the prenup?

Indiana does not legally require each spouse to have independent counsel for prenuptial agreements, but courts view separate representation as strong evidence of voluntariness. When both parties have attorneys, challenges claiming lack of understanding or coercion become significantly harder to sustain. Independent counsel costs $1,500 to $3,500 per spouse.

What happens if I don't have a prenup in Indiana?

Without a prenup, Indiana divorce courts apply equitable distribution principles starting with a 50/50 presumption under IC 31-15-7-5 and the one pot rule including all assets under IC 31-15-7-4. Spousal maintenance decisions fall entirely to judicial discretion, and premarital assets may become subject to division based on statutory factors.

Can a prenup be changed after marriage in Indiana?

Indiana prenuptial agreements can only be amended or revoked through written agreement signed by both spouses under IC 31-11-3-7. Oral modifications are unenforceable. Postnuptial agreements (marital property agreements) follow similar requirements and face slightly heightened scrutiny for voluntariness.

Author: Antonio G. Jimenez, Esq. | Florida Bar No. 21022 | Covering Indiana divorce law

As of May 2026. Verify current filing fees and court procedures with your local Indiana county clerk.