Families often assume that a power of attorney and a trust cover the same ground. They do not. Both documents can be part of a California estate plan, but they serve different purposes. When a parent becomes incapacitated, that difference can become a major source of conflict.
One child may be named successor trustee of the trust. Another child may be named agent under a financial power of attorney. The agent may believe they have authority to manage all of the parent’s money and property. The successor trustee may believe the agent has no authority over trust assets. Beneficiaries may be left watching money move, property get sold, or accounts become inaccessible without knowing who is actually in charge.
In California, the answer usually depends on the asset. If the asset is owned by the trust, the trustee generally controls it. If the asset remains in the individual’s personal name, the agent under the power of attorney may have authority over it, but only if the power of attorney grants that authority.
That simple distinction can decide whether a transaction is valid or whether it becomes the basis for a lawsuit.
What a Trust Controls
A revocable living trust is commonly used to hold real estate, bank accounts, brokerage accounts, business interests, and other property. The person who creates the trust often serves as the initial trustee during life. If that person becomes incapacitated or dies, the successor trustee takes over.
Once an asset is properly titled in the name of the trust, the trustee is generally the person with authority over that asset. The trustee’s powers come from the trust document and California trust law.
For example, if a home is deeded into the trust, the successor trustee generally controls that home once the trust’s incapacity provisions are triggered. If a brokerage account is titled in the name of the trust, the successor trustee usually has authority over that account. The agent under a power of attorney does not automatically get control over those trust assets.
That does not mean the trustee can do whatever they want. Trustees owe strict fiduciary duties. They must follow the trust, act in the beneficiaries’ interests, avoid self-dealing, keep records, and provide information when required. But when the question is who controls trust property, the trustee usually has the stronger claim.
What a Power of Attorney Controls
A financial power of attorney allows one person, called the principal, to appoint another person, called an agent or attorney-in-fact, to act on their behalf. The agent may have authority to pay bills, manage bank accounts, sign documents, handle taxes, or conduct other financial transactions.
A durable power of attorney can remain effective after the principal becomes incapacitated. That is why many estate plans include one. It allows someone to manage financial affairs without a conservatorship.
But a power of attorney has limits. The agent only has the authority given in the document and allowed by law. The agent must act for the principal’s benefit. The agent cannot use the document as a license to enrich themselves, rewrite the estate plan, or interfere with assets controlled by the trust.
This is where many disputes begin. An agent may think, “I have power of attorney, so I can handle everything.” That is often wrong.
When the Trust and Power of Attorney Name Different People
Conflicts often arise when different family members are named in different roles.
For example, a mother may create a trust naming her daughter as successor trustee. Later, she signs a power of attorney naming her son as agent. After the mother develops dementia, the son starts using the power of attorney to manage accounts, communicate with banks, and make financial decisions. The daughter claims the son is interfering with the trust.
So who has the authority? The legal answer may depend on what property is involved.
If the mother’s home is titled in the trust, the daughter as successor trustee likely controls it after the mother’s incapacity is established under the trust terms, or if the mother resigns as trustee. The son’s power of attorney generally does not allow him to sell or mortgage trust property unless the trust and power of attorney both clearly allow that action.
If the mother still has a personal checking account outside the trust, the son may have authority to use the power of attorney to pay her bills from that account. Even then, he must act in his mother’s best interest. He cannot use her money for himself unless the document allows it and the law permits it.
The two roles can exist at the same time, but they do not control the same property.
Can an Agent Change a Trust?
This is one of the biggest danger areas in California trust disputes.
An agent under a power of attorney generally cannot create, amend, revoke, or terminate a trust unless the power of attorney expressly grants that authority. And if a trust exists, then the trust instrument must also state the agent can amend, revoke, or terminate the trust. Even when the power of attorney includes broad language, the trust document itself may limit or prohibit what the agent can do.
That matters because trust changes made late in life are often challenged. A child or caregiver may use a power of attorney to claim authority over a parent’s estate plan. They may try to remove beneficiaries, redirect assets, change distributions, or transfer property into accounts they control.
Those actions should be carefully reviewed. The existence of a power of attorney does not automatically make the conduct valid.
Red flags include:
- A new power of attorney signed after signs of dementia or cognitive decline
- Large transfers to the agent or the agent’s family
- Trust assets moved into non-trust accounts
- Attempts to change beneficiaries shortly before death
- Refusal to provide account statements or records
- Isolation of the parent from other family members
So has abuse occurred? Or possibly just confusion? The key may be to review the documents, the timing, the asset ownership, and the financial records, as well as any mental or health issues that a parent or other elder may have and that may affect their ability to resist undue influence or fraud.
When Does a Power of Attorney Stop Being Effective?
A power of attorney may control when the asset remains in the principal’s personal name, the principal is still alive, and the power of attorney gives the agent authority to act.
A power of attorney may end at the principal’s death, or when the principal revokes it, if he or she still has capacity. Once the principal dies, or if the power is revoked, then the agent no longer has authority under that document. At that point, the trustee controls trust assets. If there are assets outside the trust, those may need to be handled through a probate action unless another transfer method applies.
This is an important point. An agent cannot keep using a power of attorney after death, or after he or she has been removed, to access accounts, sell property, or distribute money. If that happens, beneficiaries should investigate immediately.
The Bottom Line
When a power of attorney and a trust conflict in California, the trust generally controls trust assets. The power of attorney may control assets outside the trust during the principal’s lifetime, but only within the authority granted by the document. An agent cannot use a power of attorney to rewrite a trust, seize trust property, or benefit themselves without legal authority.
These disputes often arise when a parent is vulnerable, family relationships are strained, and significant money or real estate is at stake. Some conflicts are honest misunderstandings. Others are signs of serious misconduct.
If an agent has used a power of attorney to move trust assets, change an estate plan, hide records, or benefit personally, beneficiaries and trustees may have legal remedies. The sooner the issue is reviewed, the easier it may be to protect the trust and recover misused assets.
Speak With a California Trust and Estate Litigation Attorney
Trust Law Partners represents beneficiaries, heirs, and trustees in serious trust and estate disputes throughout California. If you believe a power of attorney has been misused or trust assets have been wrongfully transferred, our attorneys can review the documents, investigate the transactions, and pursue court action when necessary.
Call Trust Law Partners at 833-878-7852 to speak with a California trust litigation attorney.