What Is a Prenuptial Agreement?

A prenuptial agreement, or prenup, is a legal contract between two individuals who plan to marry. It outlines how assets, debts, and financial matters will be handled in the event of a divorce or legal separation.

California follows the Uniform Premarital Agreement Act (UPAA), which establishes guidelines for legally binding prenuptial agreements. Under this law, a prenup can address:

  • Division of property (marital vs. separate assets)
  • Spousal support agreements (whether one spouse will pay alimony)
  • Business ownership interests
  • Debt liability
  • Estate planning considerations
  • Financial responsibilities during the marriage

While prenuptial agreements offer financial protection, they cannot determine child custody or child support, as those decisions are based on the child’s best interests at the time of divorce.

Should I Consider a Prenuptial Agreement?

While some believe prenuptial agreements suggest distrust, they actually promote transparency and open discussions about financial expectations. A well-drafted prenup can:

Protect Separate Property

If one spouse owns real estate, investments, or family inheritances, a prenuptial agreement can ensure these assets remain separate and are not subject to division in a divorce.

Safeguard Business Interests

For business owners, a prenup prevents a spouse from claiming ownership over a business built before or during the marriage. It also ensures that partners, investors, or family members involved in the business are protected from financial disputes.

Define Debt Liability

Marrying someone with significant debt can be a financial risk. A prenuptial agreement can clarify that one spouse is not responsible for the other’s pre-existing debts.

Avoid Costly Legal Battles

Divorce litigation can be time-consuming and expensive. A prenup reduces conflict by outlining financial matters in advance, making the process smoother if the marriage ends.

Provide Financial Security

If one spouse plans to leave their career to support the family or raise children, a prenuptial agreement can establish financial protections and ensure they are fairly compensated in the event of a divorce.

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California Prenup Laws: What You Need to Know

California law has specific requirements to ensure that a prenuptial agreement is valid and enforceable. Under the California Family Code, a prenup must meet the following conditions:

  • Both parties must sign the agreement voluntarily without coercion or duress.
  • Each spouse must have legal representation, or they must waive their right to an attorney in writing.
  • The agreement must be fair and reasonable at the time of signing.
  • Full financial disclosure is required so both parties understand each other’s assets and debts.
  • A seven-day waiting period must be observed between receiving the final agreement and signing it to prevent rushed decisions.

Prenups that violate public policy, contain unconscionable terms, or fail to follow legal requirements may be challenged in court.

How Long Do Prenuptial Agreements Last in California?

Prenuptial agreements are effective indefinitely unless they include a specific expiration date or sunset clause. Some couples choose to set time limits on certain provisions, such as spousal support waivers after a certain number of years.

If a couple remains married long-term, they may later choose to modify their prenup with a postnuptial agreement, which updates financial arrangements after marriage.

Can a Prenuptial Agreement Be Broken?

A prenuptial agreement is legally binding, but it can be challenged under certain circumstances. A court may invalidate a prenup if:

  • One party was pressured or coerced into signing.
  • There was a lack of full financial disclosure.
  • The agreement was unfair or “unconscionable” at the time of signing.
  • The legal requirements (such as independent counsel or the seven-day waiting period) were not met.

If you need to challenge or enforce a prenuptial agreement, our Los Angeles prenup attorneys can assess your case and protect your rights.

Prenup vs. Postnuptial Agreement: What’s the Difference?

A prenuptial agreement is signed before marriage, while a postnuptial agreement is signed after marriage. Both documents serve a similar purpose—defining financial rights and responsibilities—but a postnup may be beneficial for couples who:

  • Experience significant financial changes after marriage.
  • Want to clarify property division after acquiring new assets.
  • Are going through marital difficulties and want to establish financial protections.

Both prenups and postnups must meet California legal standards to be enforceable.

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The Prenuptial Agreement Process in California

  1. Consultation & Financial Disclosure

    We start by discussing your financial situation, goals, and concerns. Both partners must fully disclose their assets, debts, and income to create a transparent and enforceable agreement.

  2. Drafting the Agreement

    Our attorneys draft a customized prenup tailored to your needs. The agreement may address property division, spousal support, debt responsibility, and business interests.

  3. Legal Review & Negotiation

    Each spouse has the opportunity to review the agreement with independent legal counsel. If necessary, terms can be negotiated before finalizing the document.

  4. Finalizing & Signing

    The prenup is signed and notarized once both parties agree to the terms. After signing, the agreement is legally binding and takes effect upon marriage.

California Prenup Agreement FAQs

Is a a prenup legal in California?

Yes. California law allows couples to create prenuptial agreements to outline financial rights and responsibilities, as long as the agreement meets legal requirements.

What does a prenup protect?

A prenup can protect separate property, business interests, inheritance rights, retirement funds, and debt liability. It helps prevent disputes over financial matters in the event of a divorce.

Do prenups hold up in court?

A properly drafted prenup that follows California’s legal requirements is enforceable in court. However, if an agreement is unfair, incomplete, or signed under duress, a judge may invalidate it.