A high net worth divorce in San Diego County follows the same California rule as any other: community property is divided equally. What changes is the work. Businesses, equity compensation, real estate portfolios and inherited wealth must be characterized, valued and often traced before anyone can say what "equal" means in dollars.

Most people searching for a high net worth divorce attorney in San Diego are not idly curious. They own a company, hold a stack of unvested RSUs, carry a family trust or a La Jolla home bought with pre-marital money, or they are married to someone who does. Some are still deciding whether to file. Others have just learned that their spouse already has. The questions underneath the search are usually the same: what part of this is mine, what will it be worth on paper, and how long will it take to find out.

This page walks through how California law treats complex wealth, step by step, in the order a case actually unfolds. First comes the asset and who owns it. Then characterization, valuation, tracing, and finally division and support. It closes with how cases move through San Diego Superior Court and what to look for in counsel.

What Makes a Divorce 'High Net Worth' Under California Law

No California statute sets a dollar figure that makes a divorce "high net worth." The label describes complexity. A couple with $4 million in a brokerage account and a paid-off home may have a simpler case than a couple with half that amount tied up in a private company and a vesting schedule.

The asset classes that tend to create complexity include:

  • Closely held businesses and private company interests
  • Stock options and restricted stock units (RSUs), which are shares an employer promises to deliver once a vesting schedule is met
  • Deferred compensation plans, meaning income earned now but paid later
  • Real property in several counties or states
  • Professional practices, such as medical, dental, or legal practices
  • Pensions and defined-benefit plans
  • Cryptocurrency holdings

The starting point for all of them is Cal. Fam. Code § 760. Except as otherwise provided by statute, all property acquired by a married person during the marriage while domiciled in California is community property. That covers property "real or personal, wherever situated." A rental in Arizona bought with marital earnings is presumed community, just like a condo in Little Italy.

The counterweight is Cal. Fam. Code § 770. Separate property includes property owned before marriage, property acquired during marriage by gift, bequest, devise, or descent, and the rents, issues, and profits of that separate property. A spouse may convey their own separate property without the other spouse's consent.

Property can change character. Under Cal. Fam. Code § 852, a transmutation, meaning a change in the ownership character of property between spouses, is not valid unless it is made in writing by an express declaration that is made, joined in, consented to, or accepted by the spouse whose interest is adversely affected. The same section states that it does not affect the separate law governing commingled property. That distinction matters later.

In San Diego County, these cases are filed in San Diego Superior Court, Family Law Division. The court applies the same statewide rules whether the family lives in Rancho Santa Fe, Coronado, or Chula Vista.

California Community Property and How It Applies to Complex Estates

Cal. Fam. Code § 2550 sets the default: absent a written agreement or an oral stipulation in open court, the court divides the community estate equally. Equal division is a rule about the community estate as a whole. It does not require that every asset be split in half. One spouse may keep the business while the other receives the house and brokerage accounts of matching value. For more on how that balancing works, see our overview of property division in high-asset divorces.

The date of separation

The community stops growing on the date of separation. Earnings and accumulations after that date are generally the earning spouse's separate property. Cal. Fam. Code § 70 defines the date as when a complete and final break has occurred, shown by both an expressed intent to end the marriage and conduct consistent with that intent. The court considers all relevant evidence.

In high-asset cases, this date is often contested. A few months can decide whether a bonus, an RSU vest, or a liquidity event lands in the community.

Business growth: Pereira and Van Camp

When one spouse owned a business before marriage and worked in it during the marriage, courts apportion the growth using two accounting approaches named for California cases.

  • Pereira is used when growth is mainly due to the spouse's personal effort. The separate property owner is credited a fair rate of return on the original investment, and the rest of the growth is treated as community.
  • Van Camp is used when growth is mainly due to the character of the business or market conditions. The community is credited reasonable compensation for the spouse's labor, less what the family already received in salary, and the rest stays separate.

Which method applies is a factual question. The choice can shift millions of dollars.

Stock options and RSUs: Nelson and Hug

Equity that is granted during marriage but vests after separation is split using time-rule formulas associated with the Nelson and Hug decisions. In plain terms, the formulas compare how much of the relevant service period fell during the marriage against the total period. Nelson generally looks from grant to vest. Hug can reach back to the start of employment when the grant rewarded past work. The grant documents and the employer's stated purpose drive which formula fits. For executives at San Diego's biotech and technology companies, this is often the largest single dispute in the case.

Real property: Moore and Marsden

When one spouse buys a home before marriage and community funds later pay down the mortgage, the Moore/Marsden rule gives the community a pro rata interest in the home's appreciation. That interest is based on the principal paid with community funds. Title, the source of the down payment, and who paid the mortgage all interact. Our discussion of real estate in divorce covers portfolios, rentals, and buyouts in more depth.

Commingling and tracing

Commingling means mixing separate and community funds in one account. It does not automatically convert separate property into community property. It does, however, shift the burden to the spouse claiming separate property to trace it. Tracing means following the money back to its source through records. That work is usually done by a forensic accountant, meaning a CPA who reconstructs financial history for litigation, and San Diego Superior Court judges regularly hear competing tracing reports in these cases. The next section explains what tracing requires in practice.

Assets That Are Not Divided — and Why the Line Is Rarely Clear

Separate property is not divided. That is the short answer to the question of which assets are "untouchable." The longer answer is that the spouse claiming separate property has to prove it.

Pre-marital assets, inheritances, and gifts generally keep their separate character if they have not been transmuted or lost through commingling. An inheritance deposited in a joint account, used to pay household bills, and then partly replaced with salary can be difficult to reconstruct years later. Oral promises do not help. Under § 852, a spouse who says "we agreed the ranch in Ramona would be ours together" still needs a written, express declaration to prove a transmutation. This rule matters at properties with horses and acreage as much as it does for a brokerage account.

Tracing requires records going back to the acquisition of the asset. That may mean bank statements from before the marriage, escrow files, and brokerage confirmations. When those records exist, tracing is detailed but workable. When they do not, courts may fall back on the community property presumption. Whether to bring in a forensic accountant usually turns on whether the dollar amounts justify the reconstruction, or whether the other side has already retained one.

Retirement accounts earned during the marriage are usually community property in part. To divide most employer-sponsored plans, such as a 401(k), pension, or profit-sharing plan, the court issues a Qualified Domestic Relations Order (QDRO). A QDRO is an order that tells the plan administrator to pay a share directly to the other spouse.

Given San Diego's large Navy and Marine Corps population, military retired pay comes up often. It is divided under a separate federal framework, the Uniformed Services Former Spouses' Protection Act, 10 U.S.C. § 1408, and military pension division is its own topic beyond this page.

Marital agreements can also define what stays separate. Cal. Fam. Code § 1500 provides that the statutory property rights of spouses may be altered by a premarital agreement or other marital property agreement. Section 1620 limits what spouses can change by contract with each other, generally to matters of property. A postnuptial agreement is also a transaction between spouses. Under Cal. Fam. Code § 721, that means it is subject to the fiduciary duty of the highest good faith and fair dealing, and neither spouse may take unfair advantage of the other. Agreements are commonly challenged on grounds such as lack of independent counsel, inadequate disclosure, or unconscionability. The wording of the agreement matters, but so does how the couple actually treated the assets during the marriage.

Business Interests, Professional Practices, and the Valuation Question

A business started or grown during the marriage is community property to the extent of the community's contribution. For many San Diego families, this is the central issue. That includes founders in Sorrento Valley biotech, owners of defense contracting firms that serve the Navy, and real estate developers with interests spread across separate LLCs. For owners, the related considerations are laid out in our page on divorce as a business owner.

Valuation experts generally work from three approaches:

  • Income approach. This values the business based on the cash flow it is expected to produce, converted to a present value.
  • Market approach. This compares the business to sales of similar companies.
  • Asset approach. This adds up the business's assets and subtracts its liabilities.

Each approach fits some businesses better than others. The expert's job is to explain why the chosen method fits this one.

Goodwill is where many valuations split apart. Goodwill is the value of a business beyond its hard assets. It reflects reputation, client relationships, and the expectation of continued patronage. California distinguishes enterprise goodwill, which belongs to the business itself and is divisible, from personal goodwill, which depends on one individual's skill and future labor. Personal goodwill is generally not treated as divisible, because a spouse's future earning capacity is not community property. In medical, dental, and legal practices, much of the value may be personal. Separating the two is a core part of the expert's analysis.

A forensic CPA or business valuation expert does several jobs. They normalize the business's financial statements, examine owner compensation, and review retained earnings, meaning profits kept in the company rather than distributed. They also flag related-party transactions. When each spouse retains a separate expert, the two opinions can be far apart. Courts do not simply split the difference. They weigh the methodology, the assumptions, and the reliability of the data each expert used.

It is normal for an owner to feel that a stranger is putting a price on decades of work. The valuation is not a verdict on that work. It is a measurement of the community's share of it.

Spousal Support in High Net Worth Cases

Cal. Fam. Code § 4320 lists the factors a court must consider when ordering long-term spousal support. The factors most often decisive in high-asset cases include:

  • The marital standard of living
  • Each spouse's earning capacity and marketable skills
  • The supported spouse's contributions to the supporting spouse's education, training, career, or license
  • The supporting spouse's ability to pay, including earned and unearned income and assets
  • Each spouse's obligations and assets, including separate property
  • The duration of the marriage
  • Age and health
  • Immediate and specific tax consequences
  • The goal that the supported spouse become self-supporting within a reasonable time, generally half the length of a marriage that is not of long duration

Temporary support, paid while the case is pending, works differently. Courts commonly calculate it with a formula to keep things stable during the case. Long-term support after judgment is a broader, discretionary weighing of the § 4320 factors. Our page on spousal support in high-asset divorces goes further, and high-income child support raises related income questions.

The "10-year rule" comes from Cal. Fam. Code § 4336. A marriage of 10 years or more, measured from the date of marriage to the date of separation, is presumed to be of long duration. In a long marriage, the court retains jurisdiction over support indefinitely, unless the parties agree otherwise in writing or the court terminates support. Retained jurisdiction does not mean lifetime support. It means the court keeps the power to act. Searches for a "10-10-10 rule" usually blend this state rule with a federal military-pension rule about direct payment. The two are different.

The marital standard of living is the lifestyle the couple actually lived. In affluent households, it is often reconstructed through a lifestyle analysis prepared by a forensic accountant. That analysis looks at spending, travel, homes, and savings patterns.

For orders made after 2018, the federal Tax Cuts and Jobs Act ended the payor's deduction for spousal support and the recipient's inclusion of it as income. That change affects how support numbers are modeled. Its effect in any particular case is a question for a tax professional.

Support orders can generally be modified on a showing of changed circumstances. Cohabitation by the supported spouse is a common basis for a request to modify.

How Cases Are Filed and Managed in San Diego County

San Diego Superior Court's Family Law Division hears these cases at several locations. The Central Division courthouse sits at 1100 Union Street, San Diego, CA 92101. The North County Regional Center, at 325 South Melrose Drive, Vista, CA 92081, serves Carlsbad, Oceanside, Escondido, San Marcos, and Vista. The East County Regional Center, at 250 East Main Street, El Cajon, CA 92020, serves El Cajon, La Mesa, Santee, and Alpine. The correct courthouse for a given residence can be confirmed at sdcourt.ca.gov.

A case begins with a Petition (FL-100) and a Summons (FL-110), served on the other spouse and documented with a Proof of Service (FL-115). The current statutory fee for filing the first paper in a dissolution case is set by Cal. Gov. Code § 70670. Verify the amount currently charged at sdcourt.ca.gov before filing.

Under Cal. Fam. Code § 2339, no judgment can end the marriage until six months have passed from service of the summons and petition, or from the respondent's appearance, whichever comes first. The court may extend the period for good cause. Six months is the floor, not a forecast.

Mandatory disclosure

Disclosure is mandatory. Cal. Fam. Code § 2100 declares a state policy of full and accurate disclosure of all assets and liabilities, "regardless of the characterization as community or separate." It also imposes a continuing duty to update that disclosure. In complex estates, the FL-140, FL-142, and FL-150 forms are where characterization disputes first become visible. The Judicial Council's self-help divorce resources explain each form.

Readers who want independent referrals can contact the San Diego County Bar Association's Lawyer Referral Service.

What to Look for When Choosing Counsel for a Complex Divorce

The State Bar's California Board of Legal Specialization certifies attorneys as Certified Family Law Specialists. Certification requires meeting experience, examination, and continuing-education standards. Any claimed certification can be verified through the State Bar's specialization lookup.

Beyond credentials, the more useful question is fit with the specific assets in the case. Counsel who regularly works with valuation experts, reads RSU grant agreements, and can walk through a Moore/Marsden calculation brings something different from counsel whose practice centers on custody. A Certified Divorce Financial Analyst (CDFA), a financial professional trained in divorce, often works alongside counsel to model settlement scenarios and long-term cash flow.

Litigation is not the only path. Mediation and collaborative divorce are alternatives that some high-asset couples use. The same characterization and valuation questions still have to be answered, whichever process a couple chooses.

This firm's practice is built around complex financial divorce. That means cases where business interests, equity compensation, real estate portfolios, trusts, tracing, or valuation disputes are central. The firm is not the right fit for every San Diego divorce. A case centered on one family home and ordinary retirement accounts, with no business or complex financial instruments, may be better served by a general family law practitioner.

Schedule a Confidential Consultation in San Diego

Complex wealth changes the order of the conversation. Before anyone can talk about a fair split, someone has to answer three questions. What does each asset consist of? Whose is it? What is it worth? A consultation focuses on those questions. It covers when and how each major asset was acquired, what records exist to trace it, whether a marital agreement is in play, and how the date of separation affects bonuses, vests, or business growth. The aim is a clearer sense of which issues are likely to be contested and which experts, if any, the case may call for. Estate planning after divorce is often the next conversation once the division is settled. Where a situation does not involve significant or complex assets, a general family law firm may be a more useful first call.

To discuss how these rules generally apply to complex marital assets, call San Diego Family Law Advocates at (858) 330-6989 for a confidential consultation.