You can change the custodian on a UTMA account, and how you do it depends on why the change is happening. A current custodian can resign in writing, a successor can be named in advance, a successor steps in automatically on death or incapacity if one was designated, and a court can remove a custodian who won’t manage the account properly. Each path has its own paperwork, and the financial institution holding the account will have forms of its own on top of what the law requires.
Resigning as the Current Custodian
A custodian can resign at any time, for any reason or none. Two things have to happen: written notice, and an actual handoff of the account assets and records to a successor custodian. If the minor is 14 or older, the resigning custodian also has to send written notice to the minor. For younger children, notice to the successor custodian is enough.
The resignation isn’t effective until the custodial property has actually moved. Until the successor has control of everything in the account, the outgoing custodian remains on the hook. A custodian who stalls on the transfer can be forced to complete it through legal action brought by the successor.
Naming a Successor in Advance
This is the step that prevents most of the trouble, and it’s the one most custodians skip. Under the UTMA, you can designate a successor at any time, either in your will or in a signed written instrument witnessed by someone other than the person you’re naming. The designation is revocable, and it only takes effect if you resign, die, become incapacitated, or are removed by a court.
One restriction matters: the successor cannot be the original transferor, meaning the person who put the assets into the account in the first place. The successor has to be another adult or a trust company. Many brokerages and banks also let you record a successor directly on the account itself, which smooths the transition if something happens to you.
If the Custodian Dies or Becomes Incapacitated
When a successor was designated ahead of time, the handoff is straightforward. The named successor takes over, and the deceased custodian’s legal representative (usually the executor of the estate) transfers the custodial property and records as soon as practicable.
Without a designated successor, the UTMA sets a priority order. A minor who has reached age 14 can name their own successor by signed, witnessed instrument, choosing an adult family member, their guardian, or a trust company. If the minor is under 14, or doesn’t act within 60 days, the minor’s legal guardian automatically becomes the successor custodian. If there is no guardian, or the guardian declines, then the original transferor, the legal representative of the transferor or deceased custodian, an adult family member, or any other interested person can petition a court to appoint a successor.
The window between a custodian’s death and a successor taking control is where things go wrong. No one has clear authority during that gap, the court petition route costs time and money, and the person a judge picks may not be who the original custodian would have chosen. That’s the practical argument for naming a successor in advance.
Removing a Custodian Through Court
When a custodian is mishandling the account and refuses to step down, several people can petition a court for removal: the minor if they’re 14 or older, a parent or legal guardian, an adult member of the minor’s family, the original transferor or their legal representative, a previously designated successor, and anyone else interested in the minor’s welfare.
The petition has to show “cause.” A custodian owes a fiduciary duty to manage the account the way a prudent person would handle someone else’s property, and courts look for violations of that duty. Spending custodial funds on personal expenses, making reckless investments that put the principal at risk, mixing the minor’s assets with the custodian’s own money, or refusing to account for how funds have been used all fit the pattern.
The petition is filed in the local probate or family court. The current custodian is formally served and given a chance to respond, the court holds a hearing, and the judge either grants or denies removal. If removal is granted, the order names a successor (who, again, cannot be the original transferor) and may require the new custodian to post a bond. The certified order is then presented to the financial institution to transfer control of the account.
What the Financial Institution Needs
Whatever the legal path, the bank or brokerage holding the account runs its own process. For a voluntary resignation, the institution usually provides a “Designation of Successor Custodian” form that calls for the outgoing custodian’s signature, the incoming custodian’s acceptance, and identifying information for everyone involved, including the minor. Some institutions require a Medallion Signature Guarantee, a stamped verification from a bank or brokerage confirming the signature is genuine and the signer has authority.
For a change triggered by death or incapacity, expect to provide a certified death certificate or court documentation of incapacity, along with whatever successor designation paperwork exists. For a court-ordered removal, bring the certified court order and the new custodian’s identification.
Timelines vary, but most institutions complete the change within one to two weeks once documentation is in order. The account number and registration update to reflect the new custodian’s name; the underlying account structure doesn’t change.
Tax Consequences
Changing the custodian is not a taxable event. UTMA accounts are registered under the minor’s Social Security number, so tax reporting follows the child regardless of who is managing the account. The child (or their parent, depending on the child’s age and income) keeps reporting investment income the same way as before. No new tax identification number is required, and there’s nothing to report to the IRS about the custodian change itself.
When the Question Becomes Moot
Custodian changes stop mattering once the minor reaches the age of majority and takes direct control of the account. That age varies by state, ranging from 18 to 25 depending on the state and how the assets were originally transferred.1Social Security Administration. Uniform Gifts to Minors Act and Uniform Transfers to Minors Act Age of Majority The default in most states is 21, though some let the transferor specify an earlier or later age within the range the state’s UTMA permits. Once the minor hits the applicable age, the custodian hands over everything in the account and the custodianship ends on its own.