Living Will vs Living Trust in California: What Each One Does

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

A hospital asks for the first of these documents and a bank asks for the second. For the medical side in full, see the California guide to directives, living wills and POLST forms.

Two neighbors, one stroke, two different problems

Take two invented neighbors, both 71 and widowed, each with a $950,000 house and about $120,000 in the bank. Both have a stroke on the same Tuesday and can’t speak.

The first has a funded living trust and nothing else. Her successor trustee can pay the mortgage, deal with the bank and sell the house if care becomes expensive, because the house and the accounts are titled in the trust. What the trustee can’t do is consent to a procedure or say whether she’d want a ventilator. The Health Care Decisions Law defines a health care decision as one made by the patient or the patient’s agent, conservator or surrogate (Prob. Code, § 4617). A trustee isn’t on the list.

The second has a signed directive and no trust. Her agent can talk to the doctors and carry out her written wishes. The house, though, is in her name alone. Nobody can sign a listing agreement or a refinance for her unless she also signed a durable power of attorney, and without one the family may be heading toward a court-supervised conservatorship. When she dies, a $950,000 house is over the $750,000 ceiling for the court petition that skips full probate (Prob. Code, § 13151), so it goes through probate. On the roughly $1.07 million estate, the attorney’s statutory fee alone comes to $23,700, and the personal representative’s fee follows the same formula (Prob. Code, §§ 10800, 10810). The mortgage doesn’t reduce the number, because the statute counts the gross appraisal “without reference to encumbrances.”

See avoiding conservatorship in California for the paperwork that keeps a court out of the picture.

What California calls a living will

“Living will” is the popular name. The Probate Code’s term is the individual health care instruction, which it defines as “a patient’s written or oral direction concerning a health care decision” (Prob. Code, § 4623). An advance health care directive is either an individual instruction or a power of attorney for health care (Prob. Code, § 4605), and the statutory form combines the two. The law that governs all of it is the Health Care Decisions Law, Prob. Code, § 4600 et seq.

California once had a separate statute for these papers, the Natural Death Act (former Health & Saf. Code, § 7185 et seq.). Prob. Code, § 4665 applies the current law to declarations made under that act, and it says nothing in the current law affects the validity of a directive signed before July 1, 2000 that was valid under prior law. If you have an old “living will” in a file cabinet, it isn’t automatically dead. Check whether it names an agent. A paper that only states treatment wishes leaves the question of who decides unanswered.

The optional statutory form in Prob. Code, § 4701 has six parts. Part 1 names a health care agent and up to two alternates. Part 2 holds your treatment instructions, with a choice between not prolonging life and prolonging it, plus an instruction on pain relief. Part 3 covers organ donation, Part 4 names a primary physician, Part 5 is the signature and witness section, and Part 6 is a special witness statement for patients in skilled nursing facilities. You don’t have to use the form, and you can change any part of it (Prob. Code, § 4700).

Notarize it. The directive needs its date and your signature, and it must be notarized or signed by two qualified witnesses (Prob. Code, § 4673). If you use witnesses, your agent can’t be one, and neither can your health care provider, a provider’s employee, or the operator or an employee of a community care facility or a residential care facility for the elderly, and at least one witness must be neither related to you nor entitled to any part of your estate (Prob. Code, § 4674). Those limits don’t apply to a notary (Prob. Code, § 4674, subd. (g)), which is one reason to sign before a notary. A patient in a skilled nursing facility is the exception to the notary route: the directive isn’t effective unless a patient advocate or ombudsman designated by the Department of Aging signs as a witness, either as one of two witnesses or in addition to notarization (Prob. Code, § 4675, subd. (a)).

After it’s signed, nobody needs a court. A directive is “effective and exercisable free of judicial intervention” (Prob. Code, § 4750), and a provider must follow your instructions and your agent’s decisions, subject to the statute’s exceptions (Prob. Code, § 4733). A copy has the same effect as the original (Prob. Code, § 4660), and a directive signed in another state is valid here if it was valid there (Prob. Code, § 4676).

Your agent’s authority starts when it’s determined that you lack capacity, which item 1.3 of the statutory form leaves to your primary physician, unless you mark the box in item 1.3 to make it effective immediately (Prob. Code, § 4682). The agent can’t consent to commitment to a mental health facility, convulsive treatment, psychosurgery, sterilization or abortion, whatever the document says (Prob. Code, § 4652). Item 1.5 gives the agent authority after death over organ donation, autopsy and the disposition of remains, so the directive isn’t entirely silent at death.

A POLST is a medical order signed by you and your physician, and the statute says it “is not an advance health care directive” (Prob. Code, § 4780). See the glossary entry on living wills and the entry on advance health care directives.

What a living trust does that a living will can’t

A living trust holds property. You create it by declaring that you hold your property as trustee, or by transferring property to a trustee (Prob. Code, § 15200). Unless the document says it is irrevocable, you can revoke it (Prob. Code, § 15400), so a living trust is revocable by default. The trust owns only what you retitle into it. The house gets a deed, the bank accounts get retitled, and anything left in your own name is outside it. See how trust funding works.

While you’re able, you stay in charge. During a revocable trust, the person holding the power to revoke has the rights that beneficiaries would otherwise have, and the trustee’s duties run to that person (Prob. Code, § 15800, subd. (a)). When the last person holding that power becomes incompetent, the trustee has 60 days from receiving information establishing it to send a notice and a complete copy of the trust to each beneficiary who would receive a distribution if the settlor had died, unless the trust provides otherwise (Prob. Code, § 15800, subd. (b)(1)). Incompetency for this purpose is established by the method the trust specifies or by a court’s determination (Prob. Code, § 15800, subd. (c)), so a parent’s incapacity can open the trust to the children long before a death does.

At your death the trust becomes irrevocable, and the trustee has 60 days to notify the beneficiaries and your heirs (Prob. Code, § 16061.7). Property in the trust doesn’t go through probate. Outside the trust, a gross estate above $208,850, adjusted for deaths on or after April 1, 2025, generally needs a probate or a court petition (Prob. Code, § 13100; Judicial Council notice under Prob. Code, § 890). A primary residence up to $750,000 can pass by court petition without full administration (Prob. Code, § 13151).

Who decides when you can’t

The hospital doesn’t pick between your documents. If you can’t decide, these people may decide for you, in the order the Probate Code sets: a surrogate you picked by telling your provider, your agent under a directive, then a conservator or guardian (Prob. Code, § 4712, subd. (a)). A surrogate you name aloud has priority over your agent only for the treatment or stay in which you named them, or 60 days, whichever is shorter (Prob. Code, § 4711). Unless your power of attorney for health care says otherwise, an agent who is reasonably available and willing has priority over anyone else (Prob. Code, § 4685).

If nobody on that list exists, the provider may choose an adult who has shown special care and concern for you, from a list that starts with your spouse or domestic partner and runs through an adult child, a parent, an adult sibling, an adult grandchild, and an adult relative or close friend (Prob. Code, § 4712, subd. (b)). That’s the outcome of having no directive: someone makes your decisions, and you didn’t choose them. Sometimes the hospital’s pick is the person you’d have chosen. Sometimes it’s the sibling you haven’t spoken to in years.

Matching each document to the decision

A financial power of attorney sits in the third box because a trust only reaches property that was retitled. A durable power of attorney stays effective if you become incapacitated when it says so in words like “This power of attorney shall not be affected by subsequent incapacity of the principal” (Prob. Code, § 4124). An agent can’t create, amend or revoke your trust, or fund a trust you didn’t create, unless the power of attorney expressly gives that authority (Prob. Code, § 4264), and a trust can’t be amended by an agent unless the trust itself permits it (Prob. Code, § 15401, subd. (c)). See living trust versus power of attorney and the durable power of attorney in California.

Where the pairing breaks down

One gap is a trust with no current directive. The family assumes the trust “covers incapacity,” and it does, for money. Nothing in it names a health care agent.

A directive that names one agent and no alternate is the next gap. If that agent has died, moved away or can’t be reached, you’re back to the hospital’s list. Part 1 of the statutory form has room for a first and a second alternate. Use them.

Signing mistakes come after that. The statute rules out the agent as a witness, a provider or a provider’s employee, and a facility operator or employee, and it requires at least one witness who is neither a relative nor an heir. A notary avoids those witness rules, though not the ombudsman requirement for a patient in a skilled nursing facility.

Then there is the trust that was never fully funded. The house still sits in the old name, and the family finds out when the bank or the title company asks. See how a house gets into a living trust and HIPAA releases for the paper that lets your agent read your medical records.

The last gap is leaving the directive in the safe-deposit box. The form itself tells you to hand copies to your doctor, your providers, your hospital and your agents. A copy works as well as the original (Prob. Code, § 4660), so make several.

What I put in a plan

I draft all of them together, so the trustee, the agents and the beneficiaries line up. My revocable living trust plan includes the trust, a pour-over will, two financial powers of attorney (a statutory form and a custom-written one), an advance health care directive with your health care power of attorney, a dementia directive, HIPAA authorizations and up to two deeds moving California real estate into the trust. A pour-over will sends anything you forgot to the trust (Prob. Code, § 6300). The flat fee is $4,900 as of October 2026, and the fees page says what it covers. If you’re deciding between a trust and a will first, the trust or will decision aid takes two minutes.

Book my 30-minute call or call 805-244-5291.

Frequently asked questions

Is a living will the same as a living trust?

No. A living will states your medical treatment wishes and, in California, sits inside an advance health care directive that also names a health care agent. A living trust holds property you’ve retitled into it, names who manages it and who receives it, and avoids probate for that property.

Does California have a living will?

California’s living will is the individual health care instruction in an advance health care directive (Prob. Code, §§ 4605, 4623). The optional statutory form in Prob. Code, § 4701 puts treatment instructions in Part 2 and the health care agent in Part 1. Older Natural Death Act declarations remain governed by the current law under Prob. Code, § 4665.

If I have a living trust, do I still need an advance health care directive?

Yes. A trustee manages trust property and isn’t among the decisionmakers the Health Care Decisions Law names in its definition of a health care decision: the patient, the patient’s agent, conservator or surrogate (Prob. Code, § 4617). Without a directive naming an agent, the hospital may choose a surrogate from a statutory list (Prob. Code, § 4712).

Can my successor trustee make my medical decisions?

Not because of the trust. The trust gives the successor trustee authority over trust property. Medical authority comes from your directive, an oral surrogate designation, a conservatorship or guardianship, or the hospital’s surrogate selection (Prob. Code, § 4712). You can name the same person in both documents so one trusted person holds both roles.

What does a California advance health care directive need to be valid?

It needs a date, your signature, and either a notary’s acknowledgment or two qualified witnesses (Prob. Code, § 4673). Witnesses can’t include your agent or your health care provider, and at least one must be unrelated to you and not entitled to your estate (Prob. Code, § 4674). A notary isn’t subject to those limits, but a patient in a skilled nursing facility also needs a patient advocate or ombudsman as a witness (Prob. Code, § 4675).

Does a living will cover what happens after I die?

Mostly no. A living will governs treatment while you’re alive. The statutory form does let your agent carry out donation of organs and tissues, authorize an autopsy and direct the disposition of your remains (item 1.5). Your property at death is handled by your trust or will, not by the directive.

Does a living will avoid probate?

No. A living will says nothing about property. Probate avoidance comes from a living trust that holds your assets, from beneficiary designations, or from the small-estate and residence procedures. Outside a trust, an estate above $208,850 generally needs a court process, and a primary residence above $750,000 can’t use the residence petition (Prob. Code, §§ 13100, 13151).