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How to Handle a Will Contest in California: What You Should Know

Posted by Mark Ruiz | Jul 24, 2025 | 0 Comments

Losing a loved one is difficult enough without the added stress of legal disputes. But sometimes, family members or other interested parties believe a will doesn't reflect the true intentions of the person who passed away. In California, it's possible to contest a will, but doing so is a serious legal undertaking that requires a clear understanding of the rules, deadlines, and reasons that justify a challenge.

If you're facing a potential will contest or considering whether to file one, here's what you need to know.

Common Reasons for Contesting a Will

Not every will can or should be contested. California courts will only consider a challenge if there's a valid legal reason. The most common grounds include:

Lack of capacity
The person who created the will (the “testator”) wasn't of sound mind at the time. They may not have understood what they were signing or the consequences of their decisions.

Undue influence
Someone close to the decedent may have pressured or manipulated them into changing the will in their favor.

Fraud
The will may have been created or changed because of false information or deception.

Improper execution
California has specific requirements for a valid will. If the document wasn't properly signed or witnessed, it may not hold up in court.

A newer will exists
Sometimes, a more recent will exists that overrides the one being probated. If it wasn't submitted, the older version can be challenged.

Who Has the Right to Challenge a Will?

In California, only “interested parties” can file a will contest. These include:

  • People named in the current or previous versions of the will

  • Family members who would inherit if no will existed (like a spouse, child, or parent)

  • Creditors who are owed money by the decedent

If you don't fall into one of these categories, you likely don't have legal standing to contest the will.

Act Fast: Deadlines Matter

Timing is everything in probate matters. If you're thinking about contesting a will, it's critical to know when the probate process begins.

If probate hasn't been opened yet, you can file a petition to contest the will right away. Once the court admits the will into probate, you typically have 120 days to file a challenge.

Missing this deadline may mean losing your chance to contest the will altogether, even if your concerns are valid.

How the Process Works

Contesting a will is more than just raising a concern. It's a formal legal process. Here's a general overview of how it works:

  1. Speak with a probate attorney
    An experienced lawyer will evaluate your situation and help determine if you have a strong case.

  2. File an objection in court
    You'll need to submit a written objection explaining your reasons for challenging the will.

  3. Begin the discovery phase
    This is where both sides collect evidence. You may need to gather medical records, financial documents, or witness statements to support your claims.

  4. Attend hearings (or reach a settlement)
    Some cases are resolved through negotiation or mediation. Others go to court, where a judge decides whether the will is valid.

Keep in mind: will contests can be emotionally and financially draining. They often create lasting rifts in families. It's important to approach the process carefully, with good legal guidance.

What Are the Chances of Success?

It's not easy to win a will contest. In fact, fewer than one-third of these cases are successful in California. That said, success often depends on the strength of your evidence, and the skill of your legal team.

If you truly believe a loved one's wishes were not honored, don't be discouraged. A knowledgeable probate attorney can give you a realistic assessment of your options.

Final Thoughts

Will contests are serious matters that involve strict legal standards and tight timelines. If you're questioning the validity of a will in California, don't wait. Talk to a probate lawyer who can help you understand your rights, evaluate your claims, and guide you through each step of the process.

Legal Disclaimer
This article is intended for general informational purposes only. Any legal analysis or other content should not be construed as legal or professional advice or as a substitute for such advice. No attorney-client or confidential relationship is formed by transmission of this information. If you require legal or professional advice, please contact an attorney or other suitable professional advisor. The choice of an attorney or other professional is an important decision and should not be based solely upon advertisements and blog postings.

About the Author

Mark Ruiz

Mark A. Ruiz Attorney/Owner Mark  primarily focuses on Business Law, Real Estate Law and Estate Planning.  He holds a Bachelors Degree from Santa Clara University with an emphasis in Business/Marketing and a Law Degree from the University of San Francisco with a Business Law Certificate.  He ...

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