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Legal & Tax Disclosure
ATTORNEY ADVERTISING.
This article is provided for general informational purposes only and does not constitute legal, financial, or tax advice. Reading this content does not create an attorney-client or professional advisory relationship. Laws vary by jurisdiction and are subject to change. You should consult a qualified professional regarding your specific circumstances. |
I recently spoke with Tim, who was devastated to learn his mother’s will was amended just weeks before her passing. He believed, with good reason, that the amendment wasn’t his mother’s true intent – she was increasingly confused due to Alzheimer’s, and a new caregiver had just started handling her affairs. He caught it too late. The will was admitted to probate, and now he’s facing a complete disinheritance. Tim’s nightmare could have been avoided if he’d understood the strict deadlines for challenging a will in California.
What happens if I wait too long to challenge a will?

This is the question I get asked most frequently. Once a will is formally accepted into probate by a California court, the clock starts ticking. You have a very limited amount of time – just 120 days – to file a formal objection with the court. This deadline is outlined in Probate Code § 8270: “…once the will is admitted to probate, interested parties have a strict 120-day window to file a petition to revoke probate. If you miss this deadline, the will is generally locked in stone, even if it was forged or signed under duress.”
What grounds are sufficient to contest a will?
Many clients assume any dissatisfaction with a will is enough to start a legal challenge. Unfortunately, that’s not the case. California law requires you to have a legitimate legal basis for your objection. Common grounds include:
- Lack of Testamentary Capacity: Was the testator (the person making the will) of sound mind when they signed it? Probate Code § 6100.5 defines a relatively low bar – they only need to have understood the nature of the act, their property, and their family relationships.
- Undue Influence: Was the testator coerced into changing their will by someone else? This often arises when a caregiver or new acquaintance exerts control over a vulnerable senior.
- Fraud: Was the testator intentionally misled or deceived into making changes? This can take the form of Execution Fraud (a forged signature) or Inducement Fraud (being lied to).
- Forgery: Is the signature on the will not actually the testator’s?
Who has the right to contest a will?
You can’t simply challenge a will because you disagree with it. You must be an “interested person” as defined by the law. This means you would financially benefit if the will were overturned. As stated in Probate Code § 48: “…you cannot contest a will just because you think it’s unfair. You must be an ‘interested person’—meaning you would financially benefit if the current will is overturned (e.g., a child disinherited by a new will, or a beneficiary named in a previous version).”
What if I suspect a caregiver influenced the testator?
This is a particularly sensitive situation. California law is very protective of seniors and recognizes the potential for abuse. Probate Code § 21380 creates a presumption of undue influence if a gift is made to a care custodian of a dependent adult. This means the caregiver has the burden of proving they didn’t coerce the senior. It’s vital to act quickly and gather evidence – financial records, communications, and witness statements can be crucial.
As an estate planning attorney and CPA with over 35 years of experience, I understand the emotional and financial stakes involved in will contests. My CPA background provides a unique advantage; I can quickly assess the potential tax implications (step-up in basis, capital gains) and accurately value assets, strengthening your case. Don’t let a deadline pass you by. If you have concerns about a will, seek legal counsel immediately.
What causes California probate cases to spiral into delay, disputes, and extra cost?
California probate is designed to provide court-supervised transfer of property, yet cases often break down when authority is unclear, required steps are missed, or disputes arise over assets, notice, and fiduciary conduct. When the process is misunderstood, families can face avoidable delay, escalating conflict, and increased exposure to creditor issues, hearings, or litigation before the estate can close.
To initiate the case correctly, you must connect the filing steps through how to file for probate, confirm the location using proper probate venue, and ensure no interested parties are missed by strictly following notice of petition rules.
A stable probate administration outcome usually follows from clarity, consistency, and readiness for court review, especially when multiple stakeholders and competing interpretations are involved. When documentation supports enforcement and timelines are respected, families are less likely to face preventable escalation.
Verified Authority on California Will Contests
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The 120-Day Statute of Limitations: California Probate Code § 8270
Time is the enemy in a will contest. Under Section 8270, an interested person may petition the court to revoke the probate of a will, but this petition MUST be filed within 120 days after the will is admitted. Missing this deadline is usually fatal to the case. -
Mental Competency Standard: California Probate Code § 6100.5 (Unsound Mind)
This statute defines exactly what “mental incompetency” means in probate. It is not just general forgetfulness; the contestant must prove the deceased did not understand the nature of the testamentary act, could not recollect their property, or was suffering from a specific hallucination or delusion that dictated the will’s terms. -
Presumption of Undue Influence (Caregivers): California Probate Code § 21380
To protect vulnerable seniors, California law automatically presumes undue influence if a will leaves assets to a paid care custodian or the lawyer who drafted the instrument. This shifts the heavy burden of proof onto the accused to prove their innocence. -
No-Contest Clause Enforceability: California Probate Code § 21311
Many wills contain threats to disinherit anyone who challenges them. This statute limits the power of those clauses. A beneficiary cannot be penalized for a contest if the court finds they had “probable cause” to file the lawsuit. -
Standing to Contest: California Probate Code § 48 (Interested Person)
Not everyone can sue. To contest a will, you must qualify as an “interested person”—typically an heir who would inherit under intestate succession (if there were no will) or a beneficiary named in a prior valid will. -
Financial Elder Abuse Remedies: California Probate Code § 859 (Double Damages)
Will contests often overlap with elder abuse claims. If the court finds that a person used undue influence, fraud, or bad faith to take assets (or change a will) to the detriment of the estate, they can be liable for twice the value of the property taken, plus attorney fees.
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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:
Moreno Valley Probate Law23328 Olive Wood Plaza Dr suite h Moreno Valley, CA 92553 (951) 363-4949
Moreno Valley 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. |