Common Mistakes Successor Trustees Make When Administering a Living Trust in California
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☰ Quick Facts About This Page
- A successor trustee must strictly follow the terms of the trust
- Failure to notify beneficiaries can violate California law
- Trustees often underestimate accounting requirements
- Poor communication is a leading cause of trust disputes
- Trustees cannot act in their own interest
- Missing tax deadlines can expose trustees to liability
- Trust assets must be properly segregated
- Courts can remove a trustee for misconduct
- Trust litigation is expensive and time-consuming
- Early legal guidance helps ensure a smooth administration
Understanding the Role of a Successor Trustee
Serving as a successor trustee can feel overwhelming, especially when a living trust becomes irrevocable after someone becomes incapacitated or dies. Many trustees make well-intentioned decisions that later turn into costly disputes, court involvement, or full-scale trust litigation. This article explains the most common mistakes successor trustees make, why they violate California trust law, and how to avoid these common pitfalls during trust administration.
Whether you are stepping in because the initial trustee becomes incapacitated or dies, or you are already managing assets, understanding your legal obligations can help protect both the trust and the beneficiaries’ interests.
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What Fiduciary Duties Does a Successor Trustee Owe Under California Law?
Under California law, every trustee owes enforceable fiduciary duties to the trust and its beneficiaries. These duties apply the moment the successor trustee begins managing the trust, regardless of experience or intent.
Key obligations include the duty of loyalty under California Probate Code § 16002, which requires the trustee to act solely in the beneficiaries’ interests, and the duty of care under § 16040, which requires the trustee to exercise reasonable care, skill, and caution.
A trustee cannot prioritize personal convenience or family pressure. Even informal decisions can constitute a breach of fiduciary duty if the trustee fails to act in the best interests of all beneficiaries equally.
What Happens When a Trustee Fails to Notify Beneficiaries?
One of the most serious mistakes successor trustees make is failing to provide the legally required notice. Under Probate Code § 16060 and § 16061.7, a trustee must keep beneficiaries reasonably informed and provide formal notice when a trust becomes irrevocable.
This pitfall often arises because trust documents are written in legalese or because the trustee misunderstands who qualifies as a beneficiary. Courts take these notice failures seriously, and violations can extend the statute of limitations for claims.
A trust administration attorney can help ensure that proper notice is issued on time and properly documented, protecting the trustee from later disputes.
How Poor Communication With Beneficiaries Leads to Trust Disputes
Even when notices are technically sent, inadequate communication with beneficiaries is one of the most common mistakes in trust and administration.
Beneficiaries who feel ignored often assume mismanagement is the cause. This leads to demands for court supervision under Probate Code § 17200, which grants courts broad authority over California trust disputes.
Clear communication with family members about timelines, asset valuation, and expected distribution schedules helps protect the trustee and reduces suspicion. Many trustees fail to realize that silence alone can trigger litigation.
Can a Trustee Delay or Mismanage Distributions?
Another major pitfall arises when a trustee may delay distributions without legal justification. A trustee must follow the trust’s terms exactly, as set by the trust creator.
Unreasonable delays can violate Probate Code § 16003, which requires impartial treatment of beneficiaries. Even holding trust funds too long without explanation can be actionable.
When many trustees attempt to “wait until things settle down,” they unknowingly create exposure. Proper guidance ensures distributions occur legally and efficiently.
What Accounting Errors Commonly Trigger Trust Litigation?
Failure to maintain accurate records is among the top reasons trustees face court petitions. Under Probate Code § 16062, beneficiaries have the right to a formal accounting.
Common errors include failing to open a separate trust account, mixing personal funds, and failing to track trust assets. These mistakes frequently lead to allegations of misappropriation, even when none exist.
Working with an accountant, certified public accountant, or financial advisor helps ensure compliance and transparency.
How Tax and Financial Oversights Create Liability for Trustees
Tax obligations are often overlooked during trust administration, especially when the trust holds real estate or investment accounts. Missed filings, improper valuations, or unaddressed tax issues can expose the successor trustee’s personal liability.
A trustee would be wise to engage an advisor early, especially when the estate includes complex holdings. This includes coordinating with a financial advisor and addressing tax planning needs promptly.
Failure to seek professional advice is a common cause of trust litigation throughout California.
Frequently Asked Questions About Breach of Loyalty vs. Breach of Care Under California Trust Law
1. What is a successor trustee in California?
A successor trustee is the person named in a trust to take over management when the original trustee can no longer serve, usually due to incapacity or death.
2. When does a successor trustee take over a trust?
A successor trustee assumes authority when the trust becomes irrevocable or when the current trustee is no longer able to act, as defined in the trust document.
3. What fiduciary duties does a successor trustee owe?
A successor trustee must follow the duty of loyalty under Probate Code § 16002 and the duty of care under § 16040, meaning they must act in the best interests of the beneficiaries.
4. Do beneficiaries need to be notified when a trustee takes over?
Yes. Under Probate Code § 16061.7, beneficiaries must receive formal notice when a trust becomes irrevocable and a successor trustee begins administration.
5. Can a successor trustee be held personally liable?
Yes. If a trustee breaches their fiduciary duties, they may be personally responsible for financial losses to the trust or its beneficiaries.
6. How long does a successor trustee have to distribute assets?
There is no fixed deadline, but trustees must act within a reasonable time and avoid unnecessary delays, or they may face legal challenges.
7. Are successor trustees required to provide an accounting?
Yes. Under Probate Code § 16062, beneficiaries have the right to receive a formal accounting of trust assets, expenses, and distributions.
8. What happens if a trustee fails to communicate with beneficiaries?
Poor communication can lead to mistrust and may result in beneficiaries filing a petition under Probate Code § 17200 for court supervision.
9. Can a successor trustee hire professionals for help?
Yes. Trustees are allowed and often encouraged to work with attorneys, accountants, and financial advisors to properly manage the trust.
10. When should a successor trustee contact a trust attorney?
It is best to consult an experienced trust administration attorney, such as Max Alavi, Attorney at Law, APC, early in the process to ensure compliance and avoid costly mistakes.
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Common Trust & Probate Terms
Below are some common terms and helpful definitions used in Trust and Probate. We are here to help educate our clients.
Click on any of the terms below to understand what they mean.
Trust Litigation vs. Probate Litigation
Trust litigation involves legal disputes related to the administration, interpretation, or validity of a trust. These cases typically happen after a trust becomes irrevocable and often involve trustee misconduct, accounting disputes, or challenges based on undue influence.
Probate litigation happens during the probate process and involves disputes over wills, appointment of personal representatives, creditor claims, or asset distribution. While both are handled in probate court, the governing statutes and procedural rules can differ.
Understanding the differences between trust litigation and probate litigation is very important because deadlines, notice requirements, and available solutions vary significantly between trust and probate cases.
Example:
A beneficiary files a trust petition to remove a trustee for breach of duty, while a sibling files a probate petition contesting a will based on lack of capacity.
What is a Beneficiary?
In California trust and probate law, a beneficiary is a person or entity entitled to receive property, income, or other benefits from a trust or estate. Beneficiaries may be specifically named in a trust or will, or they may inherit under California’s intestate succession laws if no valid estate plan exists.
Once a trust becomes irrevocable, California law grants beneficiaries enforceable rights, including the right to receive notice of trust administration, request information, and demand an accounting. Beneficiaries also have legal standing to file petitions in probate court when they believe a trustee or personal representative has breached fiduciary duties.
Statutory References:
Example:
After the settlor’s death, beneficiaries receive a statutory trust notice and later file a petition to compel a trustee accounting.
What is a Trustee?
A trustee is the individual or entity responsible for administering a trust and managing trust assets in accordance with the trust instrument and California law. Trustees act as fiduciaries and must always place the interests of beneficiaries ahead of their own.
California law imposes strict duties on trustees, including the duty of loyalty, duty of care, duty of impartiality, and duty to keep beneficiaries reasonably informed. Alleged violations of these duties are among the most common causes of trust litigation.
Statutory References:
Example:
A trustee who favors one beneficiary over others may be sued for violating the duty of impartiality.
What is a Fiduciary?
A fiduciary is a person or entity legally obligated to act in the best interests of another. In California trust and probate law, fiduciaries commonly include trustees, executors, administrators, and sometimes agents acting under a power of attorney.
Fiduciaries must act with the highest duty of loyalty, honesty, and care. They are prohibited from self-dealing, conflicts of interest, or using estate or trust property for personal benefit.
Breach of fiduciary duty is one of the most common bases for trust and probate litigation in California.
Statutory References:
Example:
A trustee who loans trust funds to themselves without authorization may be sued for breach of fiduciary duty.
What is Probate?
Probate is the court-supervised process used in California to administer a deceased person’s estate when assets are not held in a trust or transferred by non-probate methods.
The probate court oversees the appointment of a personal representative, payment of debts, resolution of disputes, and final asset distribution.
Probate litigation arises when disagreements occur during administration, including will contests, creditor disputes, and challenges to the personal representative’s conduct.
Statutory References:
Example:
Heirs challenge the validity of a will during probate, delaying distribution of estate assets.
What is Intestate Succession?
An intestate estate occurs in California when a person dies without a valid will or trust that disposes of their probate assets. When this happens, California’s intestate succession laws determine who inherits the decedent’s property and in what proportions, regardless of the decedent’s informal wishes or family expectations.
Intestate estates are administered through probate court, and the court appoints an administrator to manage the estate.
Distribution is strictly controlled by statute, prioritizing spouses, children, and other relatives in a defined order. Intestate estates frequently lead to probate litigation in California when heirs dispute heirship, asset classification, or administrator conduct.
Statutory References:
Example:
A decedent dies without a will, and multiple relatives file competing petitions in probate court to determine heirship and appoint an administrator.
What is Undue Influence?
Undue influence under California law occurs when excessive persuasion overcomes a person’s free will and results in an inequitable outcome, particularly in connection with a will or trust. Courts evaluate factors such as vulnerability, authority, tactics used, and the resulting benefit.
California law also establishes a presumption of undue influence when certain individuals, such as caregivers or fiduciaries, receive disproportionate benefits under estate planning documents.
Statutory References:
Example:
A caregiver who drafts trust amendments and receives most of the estate may trigger a statutory presumption of undue influence.
What is a Trust Notice?
A Trust Notice is a mandatory written notice that must be served when a revocable trust becomes irrevocable, most often after the settlor’s death.
A trust notice informs beneficiaries and heirs of the trust’s existence and their rights.
This notice is legally significant because it triggers the deadline for filing a trust contest. If proper notice is not served, the statute of limitations may be extended.
Statutory Reference:
Example:
A successor trustee sends notice within 60 days, starting the 120-day period to challenge the trust.
What is a Will Contest?
A will contest is a legal challenge filed in California probate court disputing the validity of a will. Grounds include lack of testamentary capacity, undue influence, fraud, duress, or improper execution.
Contesting a Will must comply with strict filing deadlines and procedural requirements, making early legal action critical.
Statutory References:
Example:
An heir contests a will signed shortly before death, alleging lack of mental capacity.
Trustee vs. Executor
A trustee manages and administers assets held in a trust, while an executor (a type of personal representative) administers assets that are subject to probate under a person's will. Although both roles involve fiduciary responsibilities, they operate under different California laws.
Trustees generally act outside of ongoing court supervision unless a dispute occurs, whereas executors operate within the probate court system from the outset.
This distinction often determines whether a dispute is classified as trust litigation or probate litigation.
Example:
A trustee is sued for mismanaging trust investments, while an executor is challenged in probate court for improper estate distributions.

Max Alavi, Attorney at Law, APC is a premier Orange County, California law firm specializing in trust litigation, trust disputes, and probate. Led by AV Rated and Super Lawyers awarded attorney Max Alavi, the firm represents clients in complex, high value estate disputes, including contested trusts, breach of fiduciary duty claims, and financial elder abuse matters. With over 30 years of legal experience and millions recovered in litigation, the firm is known for strategic, results driven representation in California probate courts.
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