Prenuptial Agreement Guide (2026): What to Include, Costs, and Laws
A plain-language guide to prenuptial and postnuptial agreements, including what they cover, costs, and enforceability.
Created to help people understand prenuptial agreements in plain language. Laws and procedures vary by state.
Prenuptial Agreements at a Glance
15%
Of married couples have a prenup
40%+
Of millennials consider prenups important
$1,500–$10K
Typical prenup cost range
50 states
Each with unique enforceability rules
This page is for informational purposes only and does not constitute legal advice. For advice specific to your situation, consult a licensed attorney in your state.
What This Guide Includes
- What prenups can and can't cover
- How to create a valid agreement
- Prenup vs. postnup differences
- Costs and attorney requirements
- Enforceability and common pitfalls
- State-by-state prenup laws
This page is designed as a starting point before speaking with a lawyer.
Prenuptial Agreements Planning Tools
Use these free tools to understand your options and prepare for the prenuptial agreements process.
Common Questions About Prenuptial Agreements
Can a prenup be overturned?
Do I need a lawyer for a prenup?
Prenup Laws by State
Prenup requirements, enforceability standards, and disclosure rules vary by state. Browse your state below for more specific guidance.
Detailed Guides and Articles
In-depth articles covering every aspect of prenuptial agreements.
Prenuptial & Postnuptial Agreements
Postnuptial Agreements Guide
Everything you need to know about postnuptial agreements — what they cover, how they differ from prenups, enforceability, cost, and common misconceptions.
Prenuptial Agreements: What You Need to Know
Everything you need to know about prenuptial agreements, including what prenups cover, enforceability requirements, costs, common misconceptions, and how to start the conversation.
More Guides
Do I Need a Prenup? How to Decide Before Your Wedding
Do I need a prenup before getting married? Learn who benefits most, the real pros and cons, common myths, and a 7-question framework to help you decide.
How to Find a Prenup Lawyer
Learn how to find a prenup lawyer, what to ask, and what it costs. A step-by-step guide to hiring the right prenuptial agreement attorney for your needs.
How to Talk About a Prenup With Your Partner
Learn how to bring up a prenup with your partner using therapist-backed conversation scripts, timing advice, and proven strategies for handling resistance.
How Much Does a Prenup Cost
A breakdown of prenuptial agreement costs — attorney fees, what affects the price, DIY vs attorney-drafted, and whether a prenup is worth the investment.
Prenups for Business Owners: Protecting Your Company
How a prenuptial agreement protects your business in divorce — valuation, ownership, appreciation, buyout terms, and key provisions every business owner needs.
Can a Prenup Be Overturned?
Learn when and how a prenuptial agreement can be challenged or invalidated — common grounds, court standards, and how to protect your prenup.
Common Prenup Mistakes to Avoid
The most common prenuptial agreement mistakes that lead to unenforceable contracts — and how to avoid them when drafting your prenup.
Prenup for a Second Marriage: Why It Matters More
Why a prenuptial agreement is especially important for second marriages — protecting children's inheritance, blended family finances, and retirement assets.
What Should Be in a Prenup
A practical guide to what to include in a prenuptial agreement — property, debt, spousal support, business interests, and clauses that courts enforce.
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