When a spouse’s reported income no longer matches their lifestyle, something is usually off. In the San Francisco Bay Area, that gap often shows up in the equity column: unvested RSUs that never appear on a financial disclosure, pre-IPO shares quietly transferred to a friendly LLC, or deferred option grants timed to fall outside the division window. If you’re in a high net-worth divorce and the numbers don’t add up, that instinct deserves serious attention.
Forensic accounting is the discipline that turns that instinct into evidence. It applies investigative methods to financial records to reconstruct what actually happened, who controlled what, and where community assets may have gone. Used correctly, it’s one of the most powerful tools in a complex California divorce. It works best when coordinated with counsel from the start, not bolted on after key records have already been repositioned.
Our partners at Van Voorhis & Sosna LLP are Certified Family Law Specialists through the State Bar of California’s Board of Legal Specialization, a credential earned by only a small fraction of California attorneys. That background shapes how we approach financial disclosure issues from day one, and it’s why we coordinate with forensic accountants before a case develops into a full evidentiary dispute.
The Fiduciary Duty Behind Every Hidden Asset Case
California doesn’t treat spouses as adversaries by default. Under Family Code Section 721, spouses owe each other the same duty of highest good faith and fair dealing that business partners owe one another. Neither spouse may take unfair advantage of the other, and both have an affirmative obligation to disclose all material financial information throughout the marriage and during divorce proceedings.
When a spouse breaches that duty by hiding, transferring, or undervaluing an asset, the court has a graduated set of remedies available. Family Code Section 1101(g) allows a court to award the wronged spouse 50 percent of any community assets that were undisclosed or transferred in breach of fiduciary duty, plus attorney’s fees and court costs. The 100 percent award under Family Code Section 1101(h) applies only when the breach rises to the level of oppression, fraud, or malice as defined under Civil Code Section 3294. That finding must be supported by clear and convincing evidence. These two subsections are frequently conflated, but the distinction matters enormously when calculating potential exposure.
Where Bay Area Spouses Conceal Wealth
The assets that disappear in Bay Area divorces tend to reflect the local economy. Tech equity compensation sits at the top of the list. Restricted stock units can be disclosed selectively, with future tranches omitted or rescheduled. Stock options, particularly those tied to pre-IPO companies, may be transferred or repriced in ways that obscure their value at the time of separation. Carried interest in venture or private equity funds is another category where valuation complexity creates concealment opportunity.
Outside of equity, forensic accountants regularly investigate undisclosed brokerage accounts, diverted business revenue, and income that flows through corporate entities rather than appearing on a W-2 or 1099. Business owners have particular flexibility here: paying personal expenses through company accounts, issuing salary to a new partner in exchange for reduced distributions, or simply deferring bonuses and commissions until after the divorce is finalized.
Cryptocurrency is a newer and growing concealment vehicle. Tracing it requires following fiat-to-crypto transfers from known bank and exchange accounts, subpoenaing know-your-customer records from exchanges like Coinbase or Kraken, and analyzing on-chain transaction history to connect wallets controlled by the same person. It’s technical work, but it’s traceable when the right accountant is engaged early enough.
How Forensic Accountants Reconstruct the Real Picture
Three indirect income methods are particularly common in high-net-worth California divorce cases:
- Bank deposit method: Every deposit into personal and business accounts over a defined period is analyzed to identify income that was never reported through normal channels. Cash receipts, wire transfers, and inter-account movements are all examined for unexplained inflows.
- Net worth method: The accountant calculates changes in a spouse’s total assets and liabilities across a time period. If net worth increased by more than reported income would allow, the difference suggests unreported earnings.
- Lifestyle analysis: Actual spending on housing, travel, private school tuition, and cars is compared against reported income. A spouse reporting $200,000 per year while spending $600,000 has a gap that paper income alone can’t explain.
These methods complement each other. A forensic accountant working a business-owner case might run all three in parallel, using each to corroborate or challenge the findings of the others. The goal is a reconstruction that can withstand cross-examination, not just a rough estimate that looks compelling in mediation.
Private Expert or Court-Appointed Evaluator
There are two distinct tracks for getting forensic accounting into a California divorce proceeding, and understanding the difference affects both strategy and cost.
Privately Retained Accountant
Either spouse may hire their own forensic accountant at any point in the case. That accountant works under counsel’s direction, reviews documents gathered through discovery, and prepares findings that can be introduced through expert testimony. Retaining your own accountant gives you control over scope, timing, and the framing of the analysis.
Evidence Code Section 730 Court-Appointed Evaluator
When the financial issues are disputed and the parties can’t agree on a private resolution, the court may appoint a neutral forensic accountant under Evidence Code Section 730. This evaluator reports to the court rather than either party. The findings carry significant weight because of that neutrality, but you don’t control the scope or the conclusions. If the analysis is unfavorable, Evidence Code Section 733 allows either party to retain their own accountant to review and rebut the court-appointed evaluator’s work, a right that parties sometimes fail to exercise.
Forensic accounting fees in California typically run from roughly $250 to $600 per hour depending on case complexity and the accountant’s credentials. For a case involving multiple equity compensation vehicles or a closely held business, the total engagement can be substantial. Courts have authority to order those fees shared between spouses or shifted entirely to the spouse with greater financial resources.
Credentials & Case Type
Not every forensic accountant is equally suited to every case. Relevant credentials include Certified Public Accountant (CPA), Certified in Financial Forensics (CFF), Accredited in Business Valuation (ABV), and Certified Fraud Examiner (CFE). Beyond credentials, actual experience matters: an accountant who regularly values startup equity and RSU portfolios brings different capabilities to a founder’s divorce than one whose background is primarily in traditional closely held business valuation. Matching the accountant’s background to the case’s specific financial structures is a decision that should happen in consultation with your attorney, not after the engagement letter is signed.
Why Early Action Protects the Record
Financial records don’t stay static. Accounts get closed, transfers get made, and equity schedules get amended. The window between separation and formal disclosure is when the most repositioning tends to occur. It’s also when early forensic engagement is most valuable. Preservation letters, targeted subpoenas, and immediate analysis of disclosed documents can capture a financial picture that would otherwise be far harder to reconstruct later.
At Van Voorhis & Sosna LLP, our Certified Family Law Specialists (including a partner with direct experience representing clients in divorces involving founder shares, RSUs, carried interest, and general and limited partnership interests) coordinate with forensic accountants from the outset of a case rather than after the other side has had months to prepare. If you’re in a San Francisco Bay Area divorce where the finances feel opaque, we’re available to talk through what a thorough investigation looks like. Call us at (415) 539-0422.