# No-Contest Clause: Definition and How It Works in California

> A no-contest clause disinherits a beneficiary who challenges a will or trust in court.

Source: https://ridleylawoffices.com/estate-planning-glossary-california/no-contest-clause/

By Eric Ridley, attorney, Ridley Law. Updated September 2026.

A **no-contest clause** disinherits a beneficiary who challenges a will or trust in court. California limits its enforcement to a narrow set of challenges under Prob. Code, § 21310 and following.

## How it works in California

California doesn’t enforce [no-contest clauses](https://ridleylawoffices.com/no-contest-clause-california/) against every kind of challenge a beneficiary might bring. Under Prob. Code, § 21311, the clause can be enforced only against a direct contest brought without probable cause, along with a short list of other specific actions the statute names. A beneficiary who has a real, reasonable basis for challenging a document can usually raise that challenge without triggering the clause.

Because the statute is narrow, a no-contest clause works better as a deterrent than as an automatic penalty. A beneficiary weighing whether to challenge a will or trust has to consider whether their argument clears the probable cause bar, since guessing wrong can cost them their entire share.

## Why it matters

A no-contest clause can discourage a disappointed beneficiary from filing a weak challenge, but it doesn’t stop every dispute. Say a trust leaves most of the estate to one child and very little to another, and the trust includes a no-contest clause. The less-favored child can still raise a genuine claim, such as that the trust was the product of undue influence, without automatically losing their share, as long as they have probable cause for the claim.

## Common mistakes

Assuming a no-contest clause blocks any objection a beneficiary might raise. It only reaches the specific actions the statute lists, and only when there’s no probable cause behind them. Relying on the clause instead of addressing the reason a beneficiary might contest the document in the first place, such as an unequal distribution nobody explained while the parent was alive.

## Related terms

- [Holographic will](https://ridleylawoffices.com/estate-planning-glossary-california/holographic-will/): a handwritten will that can carry a no-contest clause just like a formally drafted one.
- [Trust contest](https://ridleylawoffices.com/estate-planning-glossary-california/trust-contest/): the kind of challenge a no-contest clause is written to discourage.
- [Undue influence](https://ridleylawoffices.com/estate-planning-glossary-california/undue-influence/): a common basis for a trust contest, and one a beneficiary can usually raise despite a no-contest clause if they have probable cause.
- [Will Contest](https://ridleylawoffices.com/estate-planning-glossary-california/will-contest/): a court challenge to the validity of a will.

Part of the [California estate planning glossary](https://ridleylawoffices.com/estate-planning-glossary-california/). For the full treatment, see [No-Contest Clauses in California Trusts](https://ridleylawoffices.com/no-contest-clause-california/).