Managing Partner Steven Farley Bliss and his team helping families from our local office, provides this view at documents ready for clients addressing critical legal details discussing: Are No Contest Clauses Enforceable Probate Code 21311?

Are No Contest Clauses Enforceable Probate Code 21311?

Ricky was updating his estate plan after his mother’s contentious probate battle. He’d heard horror stories of siblings challenging wills, dragging out the process for years, and depleting the estate’s assets with legal fees. He wanted to protect his children from a similar fate, so he added a no-contest clause to his will, hoping to deter any future challenges. Unfortunately, Ricky‘s will was poorly drafted, and his estate ultimately spent $123,892 defending a challenge from a disgruntled beneficiary who claimed the will was the result of undue influence. A properly structured testamentary drafting strategy could have prevented this.

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A “no-contest clause,” formally known as an “in terrorem clause,” is a provision in a will or trust that attempts to discourage beneficiaries from challenging the document. In California, these clauses are enforceable, but with significant limitations. As an experienced wills attorney in San Diego, I’ve seen many cases where a no-contest clause either saved an estate significant expense or was deemed unenforceable due to improper drafting. The key is understanding the nuances of comprehensive estate planning strategy and the specific requirements under California law.

The enforceability of a no-contest clause hinges on whether the challenging beneficiary had “probable cause” to bring the contest. This is a critical distinction. A beneficiary who acts in good faith, with reasonable evidence supporting their claim, is protected from forfeiture, even if they ultimately lose the challenge. However, a frivolous or malicious contest can trigger the clause, resulting in the loss of their inheritance. This is why careful consideration of the potential risks and benefits is essential when deciding whether to include a no-contest clause.

I’ve practiced as an Estate Planning Attorney & CPA in San Diego for over 35 years, and I’ve found that many clients underestimate the complexity of will contests. A seemingly straightforward challenge can quickly escalate into a costly legal battle. The CPA advantage is crucial here. We can analyze the potential tax implications of a contest, including the impact on the step-up in basis of assets and the resulting capital gains exposure. A thorough valuation of the estate is also essential to determine the potential damages if the clause is triggered.

What constitutes “probable cause” for a will contest?

Managing Partner Steven Farley Bliss and his team helping families from our local office, provides this view at documents ready for clients addressing critical legal details discussing: Are No Contest Clauses Enforceable Probate Code 21311?

California Probate Code § 21311 defines “probable cause” as a “good faith belief, based on reasonable facts, that the will is invalid.” This doesn’t mean the beneficiary has to win the contest; it simply means they had a legitimate basis for bringing the claim. Evidence of undue influence, fraud, forgery, or lack of testamentary capacity can all support a finding of probable cause. It’s important to note that the burden of proof lies with the beneficiary to demonstrate this good faith belief.

The standard for establishing probable cause is relatively low. Even if the evidence is ultimately inconclusive, a court may still find that the beneficiary acted in good faith. However, a mere suspicion or hunch is not enough. There must be concrete facts supporting the claim. For example, if a beneficiary believes the testator was suffering from dementia at the time of signing the will, they should obtain medical records to support their claim.

What types of challenges can trigger a no-contest clause?

A no-contest clause can be triggered by a variety of challenges to a will, including contesting its validity, alleging fraud or undue influence, or challenging the interpretation of its terms. However, not all challenges will trigger the clause. For example, a request for clarification of ambiguous language typically won’t be considered a contest. Similarly, a challenge to the appointment of a trustee or executor may not trigger the clause if it doesn’t directly attack the validity of the will itself.

Can a no-contest clause be invalidated if it’s improperly drafted?

Yes. California law imposes specific requirements for the drafting of no-contest clauses. The clause must be clear and unambiguous, and it must be conspicuously set forth in the will. It must also include a warning that the beneficiary may forfeit their inheritance if they challenge the will. A poorly drafted clause may be deemed unenforceable, leaving the estate vulnerable to a costly contest. A attorney-led will drafting counsel can ensure that the clause is properly drafted and enforceable.

What happens if a no-contest clause is triggered?

If a beneficiary challenges a will and loses, and the court finds they lacked probable cause, the no-contest clause will be triggered. This means the beneficiary will forfeit their inheritance. The amount forfeited will depend on the terms of the clause. In some cases, the beneficiary may lose their entire share of the estate. In other cases, they may only lose the portion of their inheritance that is directly related to the challenge.

How does a trust differ from a will in terms of no-contest clauses?

While the principles are similar, no-contest clauses in trusts are subject to different rules than those in wills. Trusts often include more complex provisions, and the enforceability of a no-contest clause may depend on the specific language of the trust document. Furthermore, the trustee has a fiduciary duty to protect the trust assets, which may influence their decision to pursue a contest. A structured estate planning framework will address these differences and ensure that the no-contest clause is properly tailored to the specific circumstances.

California Wills, Capacity & Contest Statutory Authority (2025–2026)
Execution & Validity
Probate Code § 6110

Witness Requirements: Two witnesses and harmless error doctrine for defective execution.

Probate Code § 6111

Holographic Wills: Handwritten material provisions and signature standards.

Probate Code § 6112

Interested Witnesses: Presumption of fraud or undue influence.

Probate Code § 6113

Choice of Law: Recognition of wills valid under other jurisdictions.

Capacity & Undue Influence
Probate Code § 6100.5

Testamentary Capacity: “Sound mind” standard for making a will.

WIC § 15610.70

Undue Influence: Four-factor “excessive persuasion” test used by courts.

Probate Code § 21384

Certificate of Independent Review: Attorney certification shielding certain transfers.

Evidence Code § 500

Burden of Proof: Contestant generally bears the evidentiary burden.

Will Contests & No-Contest Clauses
Probate Code § 8270

120-Day Rule: Deadline to contest after admission to probate.

Probate Code § 21310

Direct Contest Defined: Forgery, fraud, duress, undue influence, lack of due execution or capacity.

Probate Code § 21311

No-Contest Enforcement: Enforceable only against direct contests without probable cause.

Probate Code § 48

Standing: Defines “interested person” eligible to file a contest.

Lodging, Lost Wills & Revocation
Probate Code § 8200

Lodging Requirement: Delivery of original will within 30 days of death.

Probate Code § 8223

Lost or Destroyed Wills: Proof of contents through credible evidence.

Probate Code § 6120

Revocation by Act: Burning, tearing, cancellation, or subsequent instrument.

Probate Code § 6124

Presumption of Revocation: Missing will presumed destroyed if last in testator’s possession.

Attorney Advertising, Legal Disclosure & Authorship
ATTORNEY ADVERTISING. This content is provided for general informational and educational purposes only and does not constitute legal, financial, or tax advice. Under the California Rules of Professional Conduct and State Bar advertising regulations, this material may be considered attorney advertising. Reading this content does not create an attorney-client relationship or any professional advisory relationship. Laws vary by jurisdiction and are subject to change, including recent 2026 developments under California’s AB 2016 and evolving federal estate and reporting requirements. You should consult a qualified attorney or advisor regarding your specific circumstances before taking action.
Responsible Attorney: Steven F. Bliss, California Attorney (Bar No. 147856).
Local Office:
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San Diego Probate Law is a practice location and trade name used by Steven F. Bliss, Esq., a California-licensed attorney.
About the Author & Legal Review Process
This article was researched and drafted by the Legal Editorial Team of the Law Firm of Steven F. Bliss, Esq., a collective of attorneys, legal writers, and paralegals dedicated to translating complex legal concepts into clear, accurate guidance.
Legal Review: This content was reviewed and approved by Steven F. Bliss, a California-licensed attorney (Bar No. 147856). Mr. Bliss concentrates his practice in estate planning and estate administration, advising clients on proactive planning strategies and representing fiduciaries in probate and trust administration proceedings when formal court involvement becomes necessary.
With more than 35 years of experience in California estate planning and estate administration, Mr. Bliss focuses on structuring enforceable estate plans, guiding fiduciaries through court-supervised proceedings, resolving creditor and notice issues, and coordinating asset management to support compliant, timely distributions and reduce fiduciary risk.

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