Quick Answer: Under California Family Code § 721, spouses owe each other the highest duty of good faith and fair dealing throughout the marriage and during divorce proceedings. This fiduciary duty requires full disclosure of all material financial information and prohibits either spouse from taking unfair advantage of the other. When an asset is undisclosed or transferred in breach of this duty, Family Code section 1101(g) allows the court to award the other spouse 50 percent of the asset plus attorney's fees and costs; an award of 100 percent under section 1101(h) requires a breach involving fraud, oppression, or malice as defined in Civil Code section 3294.
If you believe your spouse has breached their fiduciary duty in your divorce, contact The Geller Firm at (415) 840-0570 for a confidential consultation.
What Is a Spousal Fiduciary Duty in California?
A fiduciary duty is one of the highest legal obligations recognized under California law. It requires the party who owes the duty to act with complete honesty, loyalty, and good faith toward the other party and to prioritize that person's interests rather than their own at their expense.
Most people associate fiduciary duties with business relationships, such as those between partners, corporate officers, or trustees and beneficiaries. What surprises many Californians is that the same standard applies between married spouses.
California Family Code § 721 provides explicitly that the marital relationship is a confidential relationship that imposes on each spouse the duty of the highest good faith and fair dealing, and that neither spouse shall take unfair advantage of the other. This is not a vague aspiration. It is an enforceable legal obligation with real consequences when violated.
When Does the Spousal Fiduciary Duty Apply?
The spousal fiduciary duty applies in two distinct contexts:
During the marriage. Each spouse owes the other a continuous duty of good faith and fair dealing with respect to community property assets throughout the marriage. Either spouse generally has authority to manage community property, but some transactions require the other spouse's written consent or joinder, such as gifts of community property, sales of the family home's furnishings, and selling, encumbering, or leasing for more than one year community real property (Family Code sections 1100(b)–(c) and 1102(a)). All of it must be exercised consistent with the fiduciary duty.
During divorce proceedings. The fiduciary duty continues and intensifies once divorce proceedings begin. Both spouses are required to make complete and accurate financial disclosures to each other as part of the mandatory disclosure process. The duty continues as to each community asset and debt until it is actually distributed, which can be after the divorce is final, and as to child support, spousal support, and attorney fees until those issues are resolved by a valid, enforceable, and binding resolution (Family Code §2102).
What Does the Spousal Fiduciary Duty Require?
The spousal fiduciary duty imposes several specific obligations on each spouse:
Full financial disclosure. Each spouse must disclose to the other all material information related to the existence, character, and value of any asset in which the community property estate has an interest. This obligation underlies California's mandatory preliminary and final declaration of disclosure requirements in every divorce case.
Honest valuation. Each spouse must accurately represent the value of assets, including businesses, real property, retirement accounts, and other holdings. Understating the value of an asset to reduce the other spouse's share is a breach.
Proper management of community assets. Each spouse must manage community property in good faith. The duty of care borrowed from partnership law is limited to avoiding grossly negligent or reckless conduct, intentional misconduct, or a knowing violation of law (Family Code section 721(b), which incorporates Corporations Code section 16404; see In re Marriage of Walker (2006) 138 Cal.App.4th 1408), so a poor investment decision alone is not necessarily a breach.
Access to financial records. Each spouse is entitled to access financial records relating to community property. Refusing to provide that access is a breach.
Prohibition on self-dealing. Neither spouse may use community property to benefit their own separate interests at the expense of the community estate without the other spouse's knowledge and consent.
What Are Examples of a Breach of Spousal Fiduciary Duty?
Breaches of the spousal fiduciary duty most commonly surface during divorce proceedings when financial disclosures are scrutinized. Common examples include:
Failing to disclose the existence of a bank account, investment account, or other asset
Intentionally hiding or transferring assets to third parties to reduce the community estate
Understating the value of a business, real property, or other significant asset
Deliberately wasting or dissipating marital assets, such as through gambling or reckless spending, to reduce what the other spouse receives
Using community funds to pay down personal separate property debts without disclosure or consent
Transmuting property from community to separate character without the other spouse's knowing and voluntary consent
Selling, transferring, or encumbering community property without the other spouse's knowledge or permission
Blocking the other spouse's access to financial records, tax returns, or business documents
Some of these actions also violate the Standard Family Law Restraining Orders that go into effect automatically when a divorce is filed, compounding the legal exposure of the violating spouse.
What Remedies Are Available for a Breach of Spousal Fiduciary Duty?
California law provides meaningful remedies for the spouse harmed by a breach of fiduciary duty. The severity of the remedy generally tracks the severity of the breach.
Award of 50 percent, or 100 percent for fraud, oppression, or malice. If an asset is undisclosed or transferred in breach of the duty, the court's remedies include awarding the other spouse 50 percent of it plus attorney's fees and costs (Family Code §1101(g)). If the breach involves fraud, oppression, or malice under Civil Code section 3294, the award may be 100 percent (Family Code §1101(h)). The asset is valued at its highest value on the date of breach, the date of sale or disposition, or the date of the award.
Accounting and restitution. The court may order the breaching spouse to account for all transactions involving community property and to restore any amounts wrongfully taken or dissipated.
Attorney's fees and costs. Family Code section 1101(g) provides for attorney's fees and court costs as part of the remedy when an asset is undisclosed or transferred in breach of the duty. Other fee provisions may also apply.
Sanctions. Courts can impose money sanctions, including attorney's fees, on a spouse who fails to comply with the mandatory disclosure rules (Family Code section 2107(c)), can set aside a judgment entered without the required disclosures (section 2107(d)), and can award attorney's fees as a sanction against a party whose conduct frustrates settlement or increases the cost of litigation (section 271).
Constructive trust. In cases where community property has been transferred to a third party, the court may impose a constructive trust, treating the third party as holding the asset on behalf of the community estate.
How Is a Breach of Fiduciary Duty Discovered in Divorce?
Asset concealment and fiduciary breaches do not always come to light on their own. Uncovering them typically requires proactive investigation and use of the discovery tools available in California family law proceedings. Common methods include:
Subpoenas for bank records, tax returns, and financial statements going back several years
Depositions of the other spouse and relevant third parties
Forensic accounting analysis of business records, cash flow, and spending patterns
Discovery of hidden accounts through cross-referencing tax returns with disclosed assets
Investigation of real property transfers and title records
Review of credit card statements for undisclosed debts or payments to third parties
A forensic accountant working alongside an experienced family law attorney is often essential in cases where financial misconduct is suspected.
Key Takeaways
Spouses owe each other partnership-level duties. Family Code sections 721 and 1100(e) apply the duties of business partners between spouses, including access to records and an accounting for profits taken without consent.
The duty does not end at separation. Under section 2102, it continues for each asset until that asset is actually distributed, and for support and attorney fee issues until those are resolved.
The 100 percent remedy is reserved for fraud, oppression, or malice. Section 1101(h) applies only when the breach meets the Civil Code section 3294 standard; otherwise the remedy starts at 50 percent plus fees under section 1101(g).
Timing rules differ inside and outside a divorce. A claim under section 1101 brought outside a divorce generally must be filed within three years of actual knowledge of the transaction, but that limit does not apply when the claim is raised in the divorce itself.
Frequently Asked Questions
Does the fiduciary duty apply to separate property? The fiduciary duty primarily governs each spouse's conduct with respect to community property. Each spouse retains control over their own separate property without owing the other a fiduciary duty regarding that property. However, disclosure obligations extend to any separate property that has become commingled with community property or that affects the community estate.
What if my spouse transferred assets to a family member or friend to hide them? Transfers of community property to third parties in anticipation of divorce can be unwound by the court if they are found to violate the fiduciary duty. The court may impose a constructive trust on the transferred asset and order it returned to the community estate for proper division.
Can I be penalized for breaching the fiduciary duty even if the breach was unintentional? Yes, potentially. Under Family Code section 1101(g), a breach that leaves an asset undisclosed or transferred can lead to an award of 50 percent of that asset plus attorney's fees and costs, even without fraud. The 100 percent award under section 1101(h) requires fraud, oppression, or malice under Civil Code section 3294. Mere carelessness in managing investments is treated differently, because the duty of care is limited to avoiding gross negligence, recklessness, or intentional misconduct. Intent affects the severity of the remedy, not the existence of the duty.
Does the fiduciary duty apply to domestic partnerships in California? Yes. California law extends spousal fiduciary duties to registered domestic partners under Family Code § 297.5, which gives registered domestic partners the same rights, protections, and duties as spouses.
What is the statute of limitations for a fiduciary duty claim in a California divorce? Claims for breach of fiduciary duty are generally brought within the divorce itself, where the three-year limit of Family Code section 1101(d) does not apply. Outside a divorce, legal separation, nullity, or a spouse's death, a section 1101 claim generally must be filed within three years of when the spouse had actual knowledge of the transaction, and the defense of laches may be raised. Post-judgment claims may also be available in certain circumstances. An attorney can advise on the applicable timeframe based on when the breach occurred and when it was discovered.
Speak With a California Divorce Attorney
If you suspect your spouse is hiding assets, undervaluing property, or otherwise breaching their fiduciary duty in your divorce, acting quickly is critical. The longer financial misconduct goes unchallenged, the more difficult it may become to trace and recover the affected assets. The Geller Firm represents clients across California in high-conflict divorce cases involving asset concealment, forensic accounting, and breach of fiduciary duty claims.