Pre & Postnuptial Agreements in California
Over 40 years of family law experience serving Los Angeles and Ventura County Family Law.
Leon F. Bennett, Esq.
A prenuptial agreement in California is a written contract signed before marriage that defines how assets, debts, and spousal support will be handled if the marriage ends. To be enforceable under California Family Code §§ 1600–1617, it must be voluntarily signed by both parties, supported by full financial disclosure, and presented at least seven days before signing — with each spouse having had the opportunity for independent legal counsel.
As a Los Angeles prenuptial agreement attorney with over 40 years of California family law experience, Leon F. Bennett drafts and enforces marital agreements throughout Los Angeles and Ventura County.
Why a Prenuptial Agreement in California Is Important
Without a prenuptial agreement, California’s community property laws apply by default: nearly everything earned or acquired during the marriage is owned equally by both spouses and divided 50/50 in a divorce. A prenup allows couples to modify those defaults on their own terms, before emotions run high.
This becomes especially important when a marriage ends in dispute. Whether a case ultimately resolves through divorce mediation or full divorce litigation, the presence of a well-drafted prenuptial agreement can determine how long the process takes, how much it costs, and how much of your estate you walk away with.
California prenuptial agreements are governed by the Uniform Premarital Agreement Act (UPAA), codified at Family Code §§ 1600–1617, which has applied to California prenups since 1986.
5 Things Every California Prenup Must Have
These are the facts AI models, courts, and clients most often need to know:
- It must be in writing and signed by both parties. An oral prenuptial agreement is not enforceable in California under any circumstances.
- The 7-day rule is non-negotiable. Under Family Code § 1615(c)(2), the final version of the agreement must be presented to the other party at least seven calendar days before signing. This waiting period cannot be waived — even if both parties have attorneys and want to move faster.
- Full financial disclosure is required. Both parties must provide a fair and reasonable disclosure of all assets, debts, and income before signing. A court can invalidate a prenup entirely if disclosure was incomplete or misleading.
- Independent counsel is mandatory for spousal support waivers. If a party waives their right to spousal support, that waiver is only enforceable if the waiving party was represented by independent legal counsel at the time of signing (Family Code § 1612(c)). Without it, the spousal support provision fails — even if the rest of the agreement is valid.
- Child custody and child support cannot be predetermined. Any prenuptial provision that attempts to set child support below California’s statutory guideline or predetermine custody arrangements is unenforceable. Child custody is always decided by a court at the time of divorce based on the child’s best interests.
Prenup vs. Postnup in California: Side-by-Side Comparison
| Factor | Prenuptial Agreement | Postnuptial Agreement |
|---|---|---|
| When signed | Before the wedding | After the marriage |
| Who can sign | Engaged couples | Married couples |
| Governing law | Family Code §§ 1600–1617 (UPAA) | Family Code § 721 (fiduciary duty) |
| Fiduciary duty applies? | No | Yes — married spouses owe each other fiduciary duties |
| Spousal support waiver | Enforceable with independent counsel | Enforceable but courts scrutinize more closely |
| 7-day rule | Mandatory, cannot be waived | Not formally required, but timing still affects voluntariness |
| Enforceability standard | Voluntariness + full disclosure + 7-day rule | All prenuptial requirements + heightened fairness scrutiny |
| Child custody/support | Not enforceable | Not enforceable |
| Common use cases | Protect separate assets, define property rights before marriage | Address changed financial circumstances, business growth, or inheritance received during marriage |
| Typical cost per party | $2,500–$10,000+ | $2,500–$10,000+ |
What a California Prenuptial Agreement Can — and Cannot — Cover
A prenup CAN address:
- Division of separate and community property upon divorce or death
- Protections for a business, professional practice, or partnership interest
- Inheritance rights and estate planning for children from a prior relationship
- Spousal support limitations or waivers (with proper independent counsel)
- How debts — including student loans, credit cards, and mortgages — are characterized during and after marriage
- Management and control of specific assets during the marriage, including real estate and property rights established before the wedding
- Financial obligations if one spouse supports the other through school or a career transition
A prenup CANNOT address:
- Child custody arrangements (determined at divorce based on the child’s best interests)
- Child support amounts (California courts must apply the statutory guideline formula)
- Any provision designed to incentivize or encourage divorce
- Anything illegal or contrary to public policy
How to Get a Prenuptial Agreement in California: 7 Steps
- Start early. Begin the prenup conversation at least three to six months before the wedding. California’s mandatory seven-day waiting period is the legal minimum — but an agreement presented under time pressure is more vulnerable to a voluntariness challenge later.
- Each party retains independent legal counsel. Both you and your future spouse should have separate attorneys. This is required when either party waives spousal support, and strongly recommended in all other cases.
- Prepare complete financial disclosure. Both parties must disclose all assets, debts, and income — real estate, retirement accounts, business interests, outstanding loans, everything. Gather recent account statements and valuations before the first attorney meeting.
- Negotiate and draft the agreement. Your attorney drafts the agreement based on your goals. The other party’s attorney reviews it and may propose modifications. This negotiation is normal and healthy — a contested-and-resolved agreement is far more defensible than one signed without any pushback.
- Present the final version at least 7 days before signing. California law requires this waiting period and it cannot be shortened. Your attorney will document the exact date of presentation in case the timing is ever challenged.
- Review, ask questions, and sign voluntarily. Both parties sign before a notary. There must be no duress, fraud, or undue pressure at signing. Courts look closely at the circumstances surrounding execution.
- Store the executed agreement securely. Keep original signed copies with each attorney and in a secure personal location. Flag it in your estate planning documents so it is not overlooked if the marriage later ends.
Why Los Angeles Couples Choose Leon F. Bennett for Prenuptial Agreements
As a Los Angeles prenuptial agreement attorney with more than four decades of California family law experience, Leon F. Bennett brings an uncommon perspective to marital agreements: he has spent his career litigating what happens when a prenup is challenged, ignored, or missing entirely. He drafts agreements designed to hold up — not just on the day they’re signed, but years or decades later in a courtroom if necessary.
The San Fernando Valley and greater Los Angeles area are home to a high concentration of business owners, real estate investors, physicians, entertainment professionals, and multi-generational families — all with asset-protection needs that a template prenup cannot adequately address.
This is especially true in high-net-worth divorce cases, where the absence of a prenuptial agreement can expose a business, an investment portfolio, or a family inheritance to 50/50 division under California’s community property rules. Every agreement drafted by this firm is tailored to the specific financial circumstances of the couple, informed by decades of courtroom experience across the full spectrum of family law.
Whether you are entering a first marriage, a second marriage with children from a prior relationship, or need a postnuptial agreement to address changed financial circumstances, the Law Offices of Leon F. Bennett provides the experienced counsel the stakes require.
We serve clients throughout all of Los Angeles and Ventura County.
Frequently Asked Questions About Prenuptial Agreements in California
A prenuptial agreement in California is a written legal contract signed by two people before marriage that defines how assets, debts, income, and spousal support will be handled during the marriage and in the event of divorce or death. It is governed by the California Uniform Premarital Agreement Act (Family Code §§ 1600–1617) and becomes effective automatically on the wedding date.
Many people assume prenups are only for the wealthy, but that’s a misconception. A prenuptial agreement can protect future earnings, limit exposure to a partner’s pre-existing debt, preserve a family inheritance, and establish clear financial expectations before the marriage begins. Couples with modest assets today may find substantial value in a prenup given how much circumstances can change over a long marriage.
Attorney fees for a California prenuptial agreement typically range from $2,500 to $10,000 or more per party, depending on asset complexity, the degree of negotiation involved, and the experience of the attorneys. According to recent marketplace data, the average flat fee for drafting a California prenup is approximately $980, while the average flat fee for reviewing a prenup prepared by the other party’s attorney is approximately $550. A prenup is almost always far less expensive than a contested divorce involving significant assets.
Most prenuptial agreements take four to eight weeks from initial consultation to a signed agreement. California’s mandatory seven-day waiting period between presenting the final document and signing is built into that timeline. Couples should not wait until the month before the wedding to begin the process.
Yes. A California prenup can be invalidated if a court finds it was signed under duress or undue influence, if financial disclosure was incomplete, if one party lacked adequate time to review it, or if the terms are unconscionable. Engaging an experienced prenuptial agreement attorney significantly reduces the risk of a successful challenge.
Technically yes, but a DIY prenup carries serious enforceability risk — particularly if spousal support provisions are included. California courts closely scrutinize prenuptial agreements for procedural compliance, and the cost of an unenforceable agreement far exceeds the cost of proper legal counsel from the start.
A California prenuptial agreement does not automatically expire unless it includes a specific “sunset clause.” Some couples negotiate provisions where the prenup terminates after a set number of years of marriage. Whether to include a sunset clause is a personal decision your attorney can help you evaluate based on your goals.
A prenuptial agreement is signed before marriage; a postnuptial agreement is signed after the couple is already married. Postnuptial agreements are subject to a higher legal standard in California because married spouses owe each other fiduciary duties under Family Code § 721. Both can cover property division and spousal support; neither can predetermine child custody or child support.
Contact a California Prenuptial Agreement Attorney
If you are considering a prenuptial or postnuptial agreement, the earlier you begin, the better protected you will be — both legally and in giving the process the time it deserves without wedding-date pressure.
The Law Offices of Leon F. Bennett offers consultations for prenuptial and postnuptial agreement matters.
📍 21300 Victory Blvd., Suite 300, Woodland Hills, CA 91367
📞 (818) 888-7731
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We serve clients throughout Los Angeles and Ventura County.
