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When an Adult Child’s Circumstances Change

When an Adult Child’s Circumstances Change

Aug 19, 2026 | Estate Planning, Family Planning, Incapacity Planning, Trust Planning, Wealth Stewardship

Most estate plans are written at a particular moment, around a particular set of assumptions. Everyone is well. Everyone is steady. The children will receive their shares outright and manage them from there.

Lives move. A plan drafted when a child was twenty-five may not fit the life that child is living at forty — and the question that follows is not whether you love them differently. It is whether the structure you built still serves them.

A Lump Sum Is Also a Job

An inheritance paid outright is not only money arriving. It is a set of responsibilities arriving with it: investment decisions, tax filings, recordkeeping, and often requests from people who learn that it came.

For a person in a settled stretch of life, that is manageable and probably welcome. For someone navigating a health condition, a demanding treatment schedule, a difficult financial period, or the aftermath of a divorce, it is one more thing to administer at a time when administration is the last thing they have room for.

That reframing matters, because families often arrive at this question feeling as though considering a trust implies a lack of confidence in their child. It usually implies the opposite. The question is not whether they can be trusted with money. It is whether handing someone a second job is the kindest thing available.

Holding the Money For Someone, Not From Them

A trust that continues for a beneficiary’s lifetime keeps the assets under management while the beneficiary receives the benefit of them. A trustee handles the administration. The beneficiary receives distributions without inheriting the operational load.

Structures of this kind are also designed to offer a measure of protection that outright ownership does not — assets held in a properly drafted trust may be less exposed to claims, and to the effects of a future marital dissolution, than the same assets sitting in a beneficiary’s own name. How much protection depends entirely on how the trust is drafted and the circumstances involved, which is the part that rewards care at the design stage.

The continuity is worth naming as well. A trust does not become confused, lose paperwork, or have a difficult year. It runs on the instructions it was given.

Conditions, Discretion, and the Letter You Write Yourself

Families frequently ask about tying distributions to specific milestones. It can be done.

It also deserves careful thought. Conditions written into a trust are administered for years, often by someone who was not in the room when you explained what you meant, and sometimes long after you are able to clarify. A term that reads as encouragement when you draft it can read as a verdict when it is applied. Conditions can also put a trustee in the position of assessing a beneficiary’s personal life, which is a difficult role to hand anyone and a difficult one to be on the receiving end of.

Many families find a discretionary standard more durable — a trustee empowered to respond to circumstances as they actually develop, rather than to a list written years earlier against circumstances nobody could foresee.

Paired with that, a letter of intent does real work. It is not a binding instrument. It is where you explain, in your own words and at whatever length you like, what you were hoping for and what you would want considered. Trustees consistently report that this document is the one they reach for. It is also, for many parents, the part of the process that feels least like paperwork.

The Authority That Ends at Eighteen

There is a separate question that surprises many parents, and it concerns your ability to help while you are alive rather than what happens after.

Being someone’s parent confers no legal authority over their affairs once they turn eighteen. Not with a physician, not with a bank, not with a university. If your adult child would want you able to act on their behalf, that has to be documented — a durable power of attorney for financial matters and an advance health care directive naming you, executed by them, while they have the capacity to do so.

Where that capacity is not present, the process in California is called conservatorship, and it is a court proceeding rather than a form. It is deliberately not simple, because what it does is significant. Families who have the option of documenting authority in advance generally find that the better path.

Support That Outlasts You

If your child may need support for the rest of their life, that period may extend well beyond your own. A plan that names you and stops there has a horizon problem.

Naming successors — a sibling, a trusted individual, or a licensed professional fiduciary — is what keeps the structure standing when you are no longer the one holding it up. This is often the hardest part of the conversation and the part families are most grateful to have had.

One Note on Public Benefits

If your child receives needs-based assistance, there is an additional layer here, and it is genuinely specialized. Eligibility rules turn on how resources are counted, and California’s have moved more than once in recent years — the state eliminated one asset test and then reinstated it, on a schedule that is still shifting. A plan built on last year’s assumptions may not hold this year.

This is an area where the right answer often involves counsel who works in public benefits planning specifically. Where that is the case, we will say so and help you find the right person. Referring a matter to someone better suited to it is part of doing this work well, not an exception to it.

Frequently Asked Questions

Does leaving an inheritance in trust suggest I do not trust my child? Generally not, and most families arrive at it for the opposite reason. A trust moves the administrative work to a trustee so the beneficiary receives the benefit without the burden. It is a question about workload and structure rather than about character.

Should I condition distributions on my child meeting certain milestones? It is possible, and worth considering carefully. Conditions are applied for years by a trustee who may have no way to ask what you intended, and they can place that trustee in the position of assessing a beneficiary’s personal life. A discretionary standard paired with a letter of intent is often more workable.

Can I make decisions for my adult child if something happens to them? Not automatically. Parental authority ends at eighteen. If your child wants you able to act, they need to execute a durable power of attorney and an advance health care directive naming you. Where capacity is already absent, California’s process is conservatorship, which requires going to court.

What happens to this arrangement after I am gone? That depends on whether the plan named anyone after you. Successor trustees and successor agents are what allow the structure to continue, and they deserve as much thought as the primary choices.

Is This the Right Conversation for You?

If your family’s circumstances have changed since your plan was written, the plan is worth revisiting — not because anything has gone wrong, but because a structure built for one set of facts should be examined against the facts you actually have.

The Right Fit Conversation is where that begins. It is a focused, paid conversation in which your situation and this practice are evaluated together. If it is a fit, we move forward. If it is not, we will tell you honestly, and often point you toward an attorney who is a better match.

Schedule Your Right Fit Conversation — or contact our Los Altos office at (650) 325-8276.

Janet L. Brewer is a Certified Specialist in Estate Planning, Trust & Probate Law, certified by the State Bar of California Board of Legal Specialization, and a member of STEP, the Society of Trust and Estate Practitioners.

This article is provided for general informational purposes only and does not constitute legal advice. Reading it does not create an attorney-client relationship. Laws vary by jurisdiction and change over time. You should consult a qualified attorney regarding your particular circumstances.

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