California Trust Accounting Requirements for Trustees

California’s trust accounting requirements obligate a trustee to deliver a written accounting to each current beneficiary at least once every 12 months, when the trust terminates, and whenever the trustee changes. The accounting must cover four specific categories set by Probate Code 16063, and a trustee who fails to provide one can be removed, held personally liable for losses, or both.¹

When an Accounting Is Required

Probate Code 16062 sets the baseline. A trustee owes an annual accounting, an accounting on termination of the trust, and an accounting when there is a change in trustee. The duty runs to “each beneficiary to whom income or principal is required or authorized in the trustee’s discretion to be currently distributed.”¹

That language draws a real line. Remainder beneficiaries who won’t receive anything until some future event, such as the death of a current income beneficiary, generally aren’t entitled to annual accountings unless the trust says otherwise or they make a reasonable request. Current beneficiaries are.

Any beneficiary with a present or future interest can also request an accounting at any time, and the trustee must respond within a reasonable period. If the trustee ignores a written request for more than 60 days and hasn’t provided any report in the prior six months, the beneficiary can petition the court to compel one.²

One boundary worth flagging: trusts created by instruments executed before July 1, 1987, are generally exempt from the annual accounting duty under 16062, though a court can still order accountings in those cases when there’s reason to suspect mismanagement.¹

What the Accounting Must Include

Probate Code 16063 lists four required components. Leaving any of them out gives a beneficiary grounds to challenge the accounting as incomplete.³

A line-by-line statement of receipts and disbursements during the accounting period, separated into principal and income. Rental income, investment returns, trustee fees, legal bills, property taxes, and every other inflow and outflow belong here.
A statement of assets and liabilities as of the end of the period. Real estate, brokerage accounts, bank balances, notes, and any debts must be listed, at fair market value rather than original cost.
The trustee’s compensation for the period. Compensation must be reasonable and consistent with the trust’s terms, and this line item draws real scrutiny when disputes arise.
The names of any agents the trustee hired — accountants, attorneys, investment advisors, property managers — along with their relationship to the trustee, if any, and what they were paid. The disclosure exists to expose conflicts, such as routing trust business to a relative’s firm.

Form is flexible. Nothing in the statute requires a specific template, so a professionally prepared report, a spreadsheet with supporting schedules, or any other written format works, as long as it covers all four categories. Completeness beats polish. A clean report that omits agent compensation is deficient; a plain one that hits every element complies.

How to Deliver It

The accounting must be in writing and sent to each beneficiary entitled to receive it. California law doesn’t mandate a delivery method, but the method you pick matters, because the limitation clock for challenging the accounting only starts when the beneficiary actually receives it.

Most trustees mail the accounting first-class to the beneficiary’s last known address. Certified mail with a return receipt is worth the extra cost because it creates dated proof of delivery. Personal delivery works if the beneficiary signs an acknowledgment. Relying on email alone for a formal statutory accounting is risky without a signed agreement that electronic delivery is acceptable.

When the Duty Can Be Waived

A trust instrument can waive the annual accounting obligation, and many revocable living trusts do. When the document says the trustee doesn’t have to account, the trustee is generally off the hook for routine accountings to current beneficiaries.⁴

The waiver has a ceiling. Regardless of what the trust says, a court can compel an accounting whenever “it is reasonably likely that a material breach of the trust has occurred.”⁴ In practice, a waiver protects a trustee who is doing everything right and does nothing for one who is self-dealing, overcharging, or hiding losses. Beneficiaries who suspect trouble can petition, and judges routinely override waivers when the facts support it.

Shortening the Objection Window

Once a beneficiary receives an accounting that adequately discloses a potential claim, the beneficiary has three years from receipt to file a proceeding on that claim. After three years, the claim is barred.⁵

A trustee can compress that window. By including a specific written notice with the accounting in 12-point boldface type, the trustee can reduce the objection period to 180 days, or a longer period if the trust instrument specifies one. The notice must tell the beneficiary exactly how long they have to object, that the objection must be in writing and delivered to the trustee within that period, and that failing to object permanently bars that specific claim.⁶ Any trust provision that tries to set the objection period shorter than 180 days is unenforceable.

The practical takeaway is simple. Include the statutory notice with every accounting. Without it, beneficiaries have three years. With it, the window closes in six months. Because the clock only runs from receipt, proving that the beneficiary actually received the accounting, through certified mail or a signed acknowledgment, is what makes the notice worth anything.

Underlying Record-Keeping

Probate Code 16060 imposes a broad duty to keep beneficiaries “reasonably informed of the trust and its administration,” and that duty depends on records the trustee actually keeps.⁷ Bank statements, receipts, invoices, brokerage statements, tax returns, contracts, and correspondence with advisors should all be preserved. No California statute prescribes a set retention period, but three years past termination or discharge aligns with the outer limit for challenging an accounting.

Investment records deserve extra attention. The prudent investor rule requires a trustee to “invest and manage trust assets as a prudent investor would” and to “exercise reasonable care, skill, and caution.”⁸ If investments lose value, contemporaneous notes on why a decision was made are often the difference between a defensible loss and one that looks reckless in hindsight.

What Happens If You Don’t Account

The remedies go well beyond a court order to produce the missing report. A judge can suspend the trustee’s powers, appoint a successor, or order the trustee to pay damages including repayment of lost funds plus interest.⁹

For more serious misconduct, removal is on the table. Probate Code 15642 authorizes removal where the trustee has committed a breach of trust, and courts treat concealment, self-dealing, and gross negligence as strong grounds.¹⁰ Beneficiaries can also petition the probate court under Probate Code 17200 to compel an accounting, settle accounts, or seek redress for a breach.² In cases involving intentional misconduct or fraud, beneficiaries may also seek punitive damages under Civil Code 3294, though proving the required bad faith is a high bar.

The financial exposure is personal. A trustee who causes losses through a failure to account or a breach of duty pays out of their own pocket, not out of the trust. Family-member trustees are often caught off guard by this. Being named in the document doesn’t shield you from liability for how you administered it.

Federal Tax Filings Sit Alongside

State accounting duties don’t cover federal tax obligations, which run in parallel. A trust with gross income of $600 or more in a tax year, or any taxable income at all, must file IRS Form 1041.¹¹ For calendar-year trusts, the deadline is April 15 of the following year. Fiscal-year trusts must file by the 15th day of the fourth month after the tax year ends.¹²

When the trust distributes income to beneficiaries, the trustee must give each beneficiary a Schedule K-1 showing their share of the trust’s income, deductions, and credits, no later than the Form 1041 filing deadline.¹¹ Beneficiaries need the K-1 to file their own returns, so a late one creates cascading problems. Extensions are available for the Form 1041 filing itself, but they don’t extend the time to pay any tax owed.

Basis tracking ties into both jobs. The IRS requires records for all items affecting the basis of trust property, because basis drives taxable gain or loss when assets are sold or distributed.¹³ When a non-grantor trust distributes property, the beneficiary generally takes the trust’s adjusted basis, so sloppy basis records produce tax problems downstream even when the state-law accounting looks clean.

1
California Legislative Information. California Code PROB Section 16062
2
California Legislative Information. California Code PROB Section 17200
3
California Legislative Information. California Code PROB Section 16063
4
California Legislative Information. California Code PROB Section 16064
5
California Legislative Information. California Code PROB Section 16460
6
California Legislative Information. California Code PROB Section 16461
7
California Legislative Information. California Code PROB Section 16060
8
California Legislative Information. California Code PROB Section 16047
9
California Legislative Information. California Code PROB Section 16420
10
California Legislative Information. California Code PROB Section 15642
11
Internal Revenue Service. Instructions for Form 1041 and Schedules A, B, G, J, and K-1 (2025)
12
Internal Revenue Service. Forms 1041 and 1041-A: When to File
13
Internal Revenue Service. Publication 551 Basis of Assets