Litigation
How to Contest a Trust in California
A California trust contest is a petition in the probate court asking the judge to invalidate all or part of a trust — and the clock often starts at 120 days.
To contest a California trust you file a petition in the probate court, usually under Probate Code §17200, asking the judge to invalidate the trust or an amendment. After a trustee serves the notification required by §16061.7, a contest is generally barred 120 days later (§16061.8). Grounds include lack of capacity, undue influence, fraud, and defective execution.
California trust contest at a glance
- Deadline
- 120 days after §16061.7 notice, or 60 days after you receive the trust, whichever is later
- Where filed
- Probate department of the Superior Court (San Diego County for local trusts)
- Who can file
- An interested person: beneficiary, heir, or anyone whose property rights are affected
- Typical grounds
- Lack of capacity, undue influence, fraud, duress, mistake, defective execution
- Related claim
- Trust & Probate Litigation
Families in San Diego County usually first hear about a trust contest in the same week they receive a thick envelope from the successor trustee. That envelope is not a courtesy. Under trust administration rules, it is the document that can start a 120-day clock. This article explains what a contest is, who can bring one, the deadline, the usual grounds, and what filing actually looks like in the probate department of the San Diego County Superior Court.
What is a trust contest?
A trust contest is a petition asking the court to set aside a trust, an amendment, or a particular gift because the document is not a valid expression of the settlor’s intent. It is heard in the probate department, not in a civil trial department, under Probate Code §17200. The petitioner has the burden of proof. The trustee, and often the beneficiaries who would take under the challenged document, defend it.
A contest is different from a petition to instruct a trustee, to compel an accounting, or to remove a fiduciary. Those claims attack how the trust is being administered. A contest attacks whether the document itself is valid. Many cases plead both, because a late amendment that looks like undue influence is often followed by a successor who will not account.
The 120-day deadline under Probate Code §16061.8
Probate Code §16061.7 requires a trustee to serve a statutory notification when a revocable trust becomes irrevocable, typically at the settlor’s death. Section 16061.8 then provides that a person may not bring an action to contest the trust more than 120 days after that notification is served, or 60 days after a copy of the trust is delivered to the person, whichever is later.
That is one of the shortest, least forgiving limitations periods in California private law. The notice does not have to say “you are being disinherited.” It has to contain the statutory warnings. If you received one and you are still deciding whether to call a lawyer, the decision has already started to cost you days.
Other claims — breach of fiduciary duty, an accounting, elder financial abuse, a Heggstad petition — have different clocks. A missed contest deadline does not necessarily end every claim a beneficiary might have. It can end the one that matters most: the claim that the document itself should not stand.
Who has standing to contest?
California requires an “interested person.” In practice that is a beneficiary named in this or a prior instrument, or an heir who would take under intestacy if the trust were invalidated. A neighbor with an opinion, a former spouse with no remaining property interest, or a disinherited relative who would take nothing even if the trust failed, does not have standing. Standing is often the first motion in a contest, and it is worth analyzing before anyone drafts a petition.
Grounds that actually move a San Diego probate judge
The pleading labels are familiar. The evidence is what decides the case:
- Lack of capacity. For a trust, the settlor must have been able to understand the nature of the act, the property involved, and the objects of his or her bounty. Medical records, treating physicians, and the drafting attorney’s file are the usual proof. See our article on lack of capacity to sign a trust or will.
- Undue influence. Excessive persuasion that overcomes free will, often by a caregiver, a new companion, or one child who isolated the settlor. California Welfare & Institutions Code §15610.70 lists the factors. See undue influence in a California trust or will.
- Fraud or duress. A misrepresentation that induced the signature, or a threat. Harder to prove than influence, but they appear in caregiver cases.
- Defective execution. Less common for trusts than for wills, but a restatement signed without the required formalities, or an amendment the settlor never actually executed, still appears.
No-contest clauses used to scare people out of filing. They still matter, but California now enforces them only against a direct contest brought without probable cause. Read when California no-contest clauses are enforced before you assume a clause ends the inquiry.
| Path | What it attacks | Usual first filing |
|---|---|---|
| Trust contest | Validity of the trust or an amendment | Petition under §17200 |
| Will contest | Validity of a will offered for probate | Objection or §8270 petition |
| Accounting / removal | How the trustee is acting | Petition to compel, instruct, or remove |
What filing a contest looks like
The petition is filed in the county where the trust is administered. For most of our clients that is San Diego County Superior Court, probate department. The petitioner serves the trustee and the other beneficiaries. The court will set a hearing. Discovery in these cases is targeted: the drafting file, medical records, financial records, and depositions of the people who were in the room when the document was signed.
Most contests do not try. They mediate, often after enough discovery that each side can price the risk. Tresp Law, APC tries the ones that should be tried and settles the ones that should be settled. Principal Attorney Elizabeth A. Tresp oversees every litigation matter. If you are holding a §16061.7 notice, call (858) 248-2779 or request a consultation before the 120 days run.
This article is general information about California law, not legal advice, and reading it does not create an attorney–client relationship. Trust and probate deadlines are strict and many rights are lost by missing one — for guidance on your own situation, contact Tresp Law, APC or call (858) 248-2779.
Related services
Common questions
Frequently asked
How long do I have to contest a trust in California?
Usually 120 days after the trustee serves the notification required by Probate Code §16061.7, or 60 days after you receive a copy of the trust, whichever is later (§16061.8). Missing that window can bar the contest entirely.
Who can contest a California trust?
An interested person: a beneficiary, a heir who would take if the trust failed, or someone whose property rights are affected. A person with no standing cannot keep a contest alive even if the facts look strong.
What are the usual grounds?
Lack of capacity, undue influence, fraud, duress, mistake, or that the document was not executed with the required formalities. Many contests combine capacity and undue influence because they often travel together.
Does filing a contest stop the trustee from distributing?
Not automatically. Counsel often asks the court for a temporary restraining order or preliminary injunction, or for an order that the trustee hold disputed assets. Timing matters: once assets leave the trust, recovery is harder.
This page is general legal information, not legal advice, and does not create an attorney-client relationship. California trust and probate law is fact-specific and deadlines are unforgiving — please speak with a qualified attorney about your own circumstances.
Talk with a San Diego trust & estate attorney
Let’s protect what you’ve built.
Whether you are planning ahead, administering a trust or estate, or facing a dispute, our attorneys will tell you plainly where you stand and what your options are.