What Does a Successor Trustee Do in California?

What Does a Successor Trustee Do in California?

A successor trustee takes over management of a trust after the person who created it dies or becomes incapacitated, and is legally responsible for locating and protecting trust assets, paying debts and taxes, keeping beneficiaries informed, and eventually distributing what’s left according to the trust’s terms. It’s a fiduciary job with real deadlines and real personal exposure if you get it wrong.

Maybe you just found out your mother died and a lawyer mailed you a copy of her trust with your name circled. Maybe you’ve known for years and hoped you wouldn’t have to use it yet. Either way, the moment the trustor dies or loses capacity, you’re no longer standing by. You’re in charge.

What role does a successor trustee actually step into?

You step into the exact role the trust creator, called the settlor or trustor, held while they were alive and managing their own trust. Before death, most people act as their own trustee. Once that stops, whoever is named next in the trust document takes over full legal control and full legal responsibility for the trust estate.

That means you’re a fiduciary, which is a higher standard than how you’d handle your own money. Every decision you make managing trust assets has to serve the beneficiaries’ interests, not yours, even when no one is watching and even when it’s inconvenient.

What are a trustee’s core legal duties in California?

California’s Probate Code lays out a trustee’s core duties in sections 16000 through 16015, and they’re not optional guidelines, they’re enforceable obligations.

Duty to administer the trust

Under Probate Code section 16000, you actually have to do the job. Accepting the role and then dragging your feet, avoiding paperwork, or hoping someone else handles it isn’t an option once you’ve stepped in as trustee.

Duty of loyalty

Under section 16002, every decision has to be made for the beneficiaries’ benefit, not yours. That rules out buying trust property yourself, using trust funds to cover personal expenses, or quietly favoring one beneficiary because you get along with them better.

Duty to deal impartially

Section 16003 requires you to treat multiple beneficiaries fairly, even where the trust itself divides assets unequally. Impartial doesn’t mean equal, it means you administer the trust according to its terms without letting personal feelings tilt how you handle things day to day.

Duty to avoid conflicts of interest

Section 16004 keeps you from putting yourself in a position where your own interests compete with the beneficiaries’. If a conflict shows up, such as a business deal involving trust property, it needs to be disclosed and handled carefully, usually with legal advice.

Duty to control and preserve trust property

Sections 16006 and 16007 require you to protect what’s in the trust: keeping insurance current, securing bank and brokerage accounts, and reviewing investments so they aren’t sitting exposed or mismanaged while administration is underway.

Duty to keep beneficiaries informed

Beneficiaries are entitled to know what’s happening. That starts with formal notice once the trust becomes irrevocable and continues with accountings as administration moves forward.

What does the job look like in the first weeks?

The first weeks of trust administration are mostly detective work, not decision-making. You’re tracking down the trust document and any amendments, locating accounts and property, and figuring out what’s actually owed before you can move forward.

Plan on ordering 10 to 15 certified death certificates, because every bank, title company, and financial institution wants its own original, not a copy. You’ll also need to send formal written notice to beneficiaries and legal heirs under Probate Code section 16061.7, generally within 60 days of the death or of the trust becoming irrevocable. That notice starts a 120-day clock during which someone can contest the trust. Skipping or delaying that notice doesn’t make the risk go away, it just extends how long you’re personally exposed.

Once notice is out and assets are secured, the work shifts to paying final bills and taxes, maintaining any real property, and preparing an accounting before any distribution happens. If you want the full week-by-week breakdown, see our successor trustee checklist for the first 30 days.

What is a successor trustee not allowed to do?

A trustee cannot commingle trust money with personal funds, cannot make investment decisions on a hunch instead of following the prudent investor standard under section 16047, cannot pay themselves unearned or unauthorized fees, and cannot ignore a beneficiary’s reasonable request for information.

Each of those is a fast track to personal liability. Trust administration mistakes aren’t abstract, they can mean a trustee personally repaying money to the trust out of their own pocket. If you want to understand exactly how that exposure works, read our page on trustee personal liability in California.

Can a successor trustee be removed?

Yes. Beneficiaries who believe a trustee is mismanaging assets, playing favorites, or simply failing to act can petition for removal under Probate Code section 15642. Grounds include breach of trust, unfitness for the role, hostility that impairs administration, and failure to communicate with beneficiaries.

This is where overwhelmed trustees get themselves into real trouble. Feeling behind or unsure isn’t grounds for removal on its own, but going quiet is often what triggers a petition. Trustees who disappear on beneficiaries, even out of genuine overwhelm rather than bad intent, end up facing the exact removal process this section describes. For more on what that process looks like from either side, see our page on how to remove a trustee in California.

The honest caveat

Nothing about being a successor trustee requires that you already know trust law. Almost no one does when they start. What the job actually requires is getting organized quickly, meeting the deadlines that matter (notice, appraisals, tax filings), and getting advice before making any decision you’re not sure about.

Where trustees get hurt isn’t usually ignorance, it’s guessing on something important instead of asking. A quick question to an attorney before you distribute an asset, sign a tax return, or pay yourself a fee is cheap. Undoing a mistake after the fact is not.

Talk to a real California estate attorney

If you’ve just been named successor trustee and you’re staring at a stack of paperwork with no idea where to start, that’s normal. I walk trustees through this every week, from the first death certificate order to the final distribution, and I’ll tell you plainly where you’re on solid ground and where you need to slow down.

Talk to Eric Ridley is a free 60-minute consultation by phone or Zoom, anywhere in California. Or call (805) 244-5291.

Related reading: Successor trustee checklist: the first 30 days, trustee accounting requirements in California, and how long trust administration takes in California.

Frequently asked questions

What does a successor trustee do in California?

A successor trustee steps into the deceased or incapacitated trustor’s role: locating and securing trust assets, paying debts and taxes, keeping beneficiaries informed, and eventually distributing what’s left according to the trust’s terms. It’s a fiduciary role with real legal duties under Probate Code sections 16000 through 16015.

What is a trustee’s duty of loyalty in California?

Under Probate Code section 16002, a trustee must administer the trust solely for the benefit of the beneficiaries, not for personal gain. That means no buying trust property, no using trust funds for yourself, and no favoring one beneficiary over another for personal reasons.

What notice must a trustee send to beneficiaries?

Under Probate Code section 16061.7, a trustee generally must send formal written notice to all beneficiaries and legal heirs within 60 days of the settlor’s death or the trust becoming irrevocable. That notice starts a 120-day window during which the trust can be contested.

Can a successor trustee be removed in California?

Yes. Under Probate Code section 15642, beneficiaries can petition to remove a trustee for breach of trust, unfitness, hostility that impairs administration, or failure to communicate. A trustee who goes silent or ignores duties is a common target for these petitions.

Does a successor trustee need to hire an attorney?

It isn’t legally required, but most successor trustees hire one because the deadlines and duties carry personal liability if handled wrong. Attorney fees for trust administration are typically paid by the trust itself, not out of the trustee’s own pocket.

This is general information about California law, not legal advice for your situation.