Understanding Trust and Probate Mediation in California

Publication Date June 10, 2026 in Probate Law

What Every California Heir Should Understand Before Mediation

I am Michael Hackard, founder of Hackard Law. Over five decades of practice, I have fought for heirs, beneficiaries, and elder abuse victims in some of California’s most complex trust and estate disputes. I have written four books on inheritance protection and produced more than 1,000 educational videos that have reached over seven million viewers. My firm serves families throughout Sacramento, the San Francisco Bay Area, and Los Angeles – and I want to share what I have learned about one of the most consequential stages of any inheritance dispute: mediation.

Mediation can resolve a case in a single day or drag on for months. Either way, walking in without a clear understanding of how the process works – and what your rights are – puts you at a serious disadvantage. This post breaks down the essentials so you are prepared.

Hackard Law provides contingency fee representation for qualified trust and estate cases, meaning no upfront costs for eligible clients. To find out whether your case qualifies, call us today at (916) 313-3030.

Quick Summary

California trust and probate mediation is a structured process in which a neutral third party helps disputing parties reach a binding agreement – and the rules governing that process matter enormously for heirs and beneficiaries.

Mediation is a facilitated negotiation, not a court hearing – a neutral mediator guides the parties toward agreement
Settlement agreements must generally be in writing, signed by all parties, to be enforceable
Courts frequently order mediation in trust, will, and probate disputes filed in the Superior Court
Not every settlement requires court approval, but obtaining it provides important legal protection
Retaining court jurisdiction after settlement ensures the agreement can be enforced if a party fails to perform

What Mediation Actually Is – and What It Is Not

Mediation is the process by which a neutral person facilitates communications between two or more disputing parties to help them reach a mutually acceptable agreement. The mediator does not decide who wins. The mediator does not issue rulings. The mediator’s job is to create the conditions under which the parties can reach their own resolution.

This distinction matters. Many heirs and beneficiaries arrive at mediation expecting something like a mini-trial. When they realize the mediator has no power to force the other side to do anything, they feel blindsided. Understanding the mediator’s role from the start allows you to focus your energy on negotiation strategy rather than expecting a verdict.

For a broader look at how trust and estate disputes unfold from filing through resolution, the Sacramento estate lawyer resources at Hackard Law provide helpful context.

The Writing Requirement: Why a Signed Agreement Is Non-Negotiable

A successful mediation is typically documented at the end of the session by a short summary agreement – sometimes called a term sheet – signed by all parties. This document does not need to be elaborate, but it does need to capture the core terms clearly enough to be enforced as a contract.

In some situations, when a written agreement is not practical on the day of mediation, the parties may place an oral agreement on the record before a court reporter. That oral agreement can later be reduced to writing. But relying on an oral agreement without a follow-up writing is risky, and I strongly advise against it in most circumstances.

Case Pattern: Beneficiaries’ rights at stake after an oral-only agreement

In one pattern Hackard Law has encountered, a family reached what everyone believed was a firm agreement at mediation, but no term sheet was signed. One party later disputed the terms. Because nothing was memorialized in writing that day, the dispute had to continue – at significant cost to the other heirs and beneficiaries. A signed term sheet, even a brief one, would have prevented months of additional litigation.

For more on what beneficiaries need to know before any stage of litigation, including mediation, see five things California trust beneficiaries must know.

When Courts Order Mediation – and Why

Heirs and beneficiaries challenging California trusts and wills generally file their contest in the probate division of the Superior Court in the county where the decedent lived or where the trust is being administered. Some cases are filed in the Civil Division instead. In either setting, the court overseeing the litigation frequently orders the parties to mediation.

These orders are not optional. A court-ordered mediation requires the parties to participate in good faith. The purpose is to give families a structured opportunity to resolve their dispute without the full cost and uncertainty of trial.

Many cases do settle – sometimes in the probate court itself, sometimes through a private mediator. The Sacramento estate and trust mediation process involves specific procedural steps that an experienced attorney can help you navigate.

For a full picture of the kinds of disputes that most commonly reach this stage, the top ten most common probate, trust, and estate battles is worth reviewing before your first mediation session.

Court Approval of Settlement Agreements

Not every settlement agreement in a trust or probate matter requires court approval. But obtaining court approval is often the better practice, and in some cases it is legally required.

Even without court approval, a settlement agreement is a contract. A deal is a deal. That said, the agreement itself can include a provision making it null and void if the court does not approve it – which gives both sides a measure of protection when approval is uncertain.

When Hackard Law represents clients in estate, trust, and probate settlement agreements, we make sure the court retains jurisdiction over the settlement. Discovery proceedings generally stop when a settlement agreement is reached, and that pause needs to be addressed formally. Informing the court of the settlement and putting a plan of action in place protects the agreement from unraveling.

Case Pattern: Protecting a settlement through retained jurisdiction

In cases where one party delays performance after signing a settlement agreement, having the court retain jurisdiction makes all the difference. When jurisdiction is retained, a motion to enforce the settlement can be filed quickly – without starting a new lawsuit. Heirs and beneficiaries who did not take this step have sometimes found themselves back at square one after a hard-won agreement.

For a deeper look at contingency fee representation in these disputes, including how Hackard Law structures its agreements, see the contingency fee guide for California trust and estate litigation.

Key Definitions

Mediation: A voluntary or court-ordered process in which a neutral third party helps disputing parties negotiate a resolution – the mediator has no authority to impose an outcome.
Mediator: A neutral facilitator, often a retired judge or experienced attorney, who guides communication between the parties without deciding the case.
Term sheet: A short written summary of the key terms of a settlement agreement, signed by all parties at the conclusion of mediation.
Settlement agreement: A binding contract that resolves some or all claims in a dispute; enforceable even without court approval in most circumstances.
Court-ordered mediation: A judicial directive requiring the parties to participate in mediation before the case proceeds to trial.
Court approval: A formal order from the probate or civil court confirming that a settlement agreement is valid and binding – often required when a minor or incapacitated person is a party.
Retained jurisdiction: A provision or order keeping the court’s authority active over a case after settlement, allowing enforcement motions if a party fails to perform.
Oral agreement on the record: A settlement reached verbally before a court reporter during or after mediation, intended to be followed by a written agreement.
Probate division: The branch of the California Superior Court that handles trust, will, and estate disputes, including contested matters.
Civil division: The branch of the Superior Court where some trust and estate cases are filed, particularly when the claims sound in contract or fraud rather than purely in probate law.

What to Do Next

Look for a trust and estate attorney with direct mediation experience before your session is scheduled – not the week before.
Get copies of all trust documents, accountings, and correspondence that relate to the dispute well in advance of mediation.
Try to avoid entering mediation without a clear sense of your bottom line – know what outcome you can live with and what you cannot accept.
Look for a mediator with a background in California trust and probate law, not just general civil mediation.
Get any agreement in writing and signed before leaving the mediation session – do not rely on a follow-up email to memorialize the deal.
Ask your attorney whether court approval of the settlement is required or advisable given the specific parties and claims in your case.
Try to avoid stopping discovery or dismissing claims before a written, signed agreement is in place.
Look into whether the court should retain jurisdiction over the settlement to allow enforcement if the other side does not perform.
Review the Sacramento contested will and trust lawyer page to understand your litigation options if mediation does not produce a resolution.
Call Hackard Law at (916) 313-3030 to discuss your situation, and visit our contact page to request a consultation.