Jurisdiction: California; Federal (IRC §§ 7701(a)(30)–(31)) Primary Statutes: Cal. Prob. Code §§ 15000 et seq. (Trusts); §§ 16000–16061 (Trustee Duties); § 16061.7 (Beneficiary Notification); § 8200 (Will Lodging); IRC §§ 7701(a)(30)–(31) (Foreign Trust Classification) IRS Forms: Form 3520 (Annual Return to Report Transactions with Foreign Trusts); Form 3520-A (Annual Information Return of Foreign Trust with a U.S. Owner) Last Reviewed: March 2026 Category: Trust Administration — Trustee Selection
California imposes no residency requirement on individual trustees. A settlor may legally name a successor trustee who lives in Germany, Singapore, or Canada. The Probate Code is silent on the point. That silence does not mean the choice is consequence-free.
Three bodies of law create friction when a trustee resides abroad: California fiduciary law, which demands active and documented administration regardless of where the trustee sits; federal trust classification rules under IRC §§ 7701(a)(30)–(31), which may reclassify the trust as a foreign trust if a foreign person controls all substantial decisions — triggering reporting obligations and penalties up to 35% of transferred amounts; and the practical mechanics of U.S. trust administration, which depend on domestic institutional access that non-resident trustees routinely find restricted or unavailable.
For most settlors, the overseas trustee is a trusted family member, not a professional. The planning solution is not to override that preference — it is to structure around its limitations through co-trustee arrangements, professional fiduciary backstops, and replacement mechanisms built into the trust instrument.
The California Probate Code imposes no geographic restriction on individual successor trustees. Any competent adult may serve. This distinguishes California from a small number of states that impose residency requirements on trustees of certain trusts, and it is the accurate starting point for the analysis — but it is only the starting point.
California trustees owe a comprehensive set of fiduciary duties to all trust beneficiaries regardless of where the trustee resides:
These duties are performance standards, not intent standards. A trustee who delays administration, fails to respond to beneficiary inquiries, or misses filing deadlines breaches them regardless of good intentions. Physical distance from the trust’s assets, beneficiaries, and advisors is a structural impediment to meeting each of these duties on the timeline California law requires.
When the surviving settlor dies, the trust becomes irrevocable and a defined sequence of obligations begins immediately:
Each of these steps involves institutional actors — courts, banks, brokerages, the IRS, the California FTB — that operate in Pacific or Mountain time and impose documentary requirements that frequently require physical presence or domestic notarization. An overseas trustee faces friction at every step.
⚠️ CRITICAL ISSUE — FOREIGN TRUST RECLASSIFICATION. Under the Internal Revenue Code, a trust is a domestic trust only if: (1) a U.S. court can exercise primary supervision over the trust’s administration, and (2) one or more U.S. persons have the authority to control all substantial decisions of the trust. IRC § 7701(a)(30)(E). If a foreign person — a non-U.S. citizen residing abroad — is the sole trustee with authority over all substantial trust decisions, the trust fails the control test and is reclassified as a foreign trust under § 7701(a)(31).
Foreign trust classification triggers:
These penalties apply even when no tax is owed. A settlor who names an overseas successor trustee without understanding this rule may inadvertently convert a straightforward trust administration into a foreign trust reporting obligation carrying penalties that dwarf any estate administration cost.
📌 PLANNING NOTE — THE CONTROL TEST. Foreign trust classification does not turn solely on the trustee’s residency. It turns on who controls all substantial decisions. A co-trustee structure — pairing the overseas individual with a U.S.-resident co-trustee who has concurrent authority over substantial decisions — can preserve the domestic trust classification even if the foreign co-trustee participates actively. The trust instrument must give the U.S. co-trustee genuine decision-making authority, not a nominal role.
Treasury regulations under § 7701 identify substantial decisions to include: whether and when to distribute income or corpus; the amount of distributions; the selection of a beneficiary; whether to terminate the trust; whether to compromise a claim; whether to remove, add, or replace a trustee; and investment decisions. For a successor trustee administering a revocable trust after the settlor’s death, virtually every decision qualifies.
Many U.S. banks and brokerages will not open trust accounts for non-resident trustees, or will not transfer account control to a foreign person, under Bank Secrecy Act and anti-money-laundering compliance requirements. A trustee who cannot access the accounts holding trust assets cannot administer the trust. The legal right to serve as trustee is irrelevant if the financial institutions holding trust assets decline to recognize that authority.
| Structure | Addresses Foreign Trust Risk? | Addresses Institutional Access? |
|---|---|---|
| Sole overseas trustee | No | No |
| U.S. co-trustee (concurrent authority) | Yes — if U.S. co-trustee controls substantial decisions | Yes |
| Professional / corporate trustee | Yes | Yes |
| Overseas individual as trust protector only | Yes — trust protector is not a trustee for classification purposes | Yes |
| Successor priority clause (overseas trustee named second) | Yes — first-priority U.S. trustee controls | Yes |
U.S.-based co-trustee is the most common practical solution. It preserves the settlor’s intent to include the overseas family member while ensuring a U.S. person controls substantial decisions and maintains institutional relationships. The trust instrument must specify how disagreements between co-trustees are resolved.
Professional or corporate trustee is appropriate for larger estates or where no suitable domestic individual is available. Costs are typically a percentage of assets under management, but for estates where overseas trustee complications would otherwise produce litigation, the cost is frequently justified.
Trust protector role allows the overseas individual to hold oversight powers — removing and replacing the trustee, consenting to distributions, modifying administrative provisions — without being the trustee and without triggering the foreign trust classification.
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This article is provided for educational purposes and reflects California and federal law as of March 2026. It does not constitute legal advice. Readers should verify current statutory text and consult qualified counsel for specific matters.
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