When a child inherits money or property, they can’t take control of it directly. A minor’s inheritance is routed into a protective structure — most often a court-supervised guardianship of the estate, a blocked bank account, or a trust — and an adult fiduciary manages the assets until the child reaches the age set by state law or by the estate plan. How much court involvement happens depends on the size of the inheritance, how it was left, and whether the person who died did any advance planning to keep the assets out of probate.
When Court Protection Kicks In
A formal guardianship of the estate becomes necessary once a minor’s inheritance crosses a threshold set by state law. Thresholds vary widely, but most states draw the line somewhere between $5,000 and $15,000. Below that, many states let a parent or custodian handle the funds through simplified procedures, sometimes just an affidavit filed with the court. Above it, the court takes direct supervisory control.
The authority comes from protective-proceedings statutes modeled on the Uniform Probate Code, which most states have adopted in some form. A court can appoint a guardian or conservator for any minor who owns property requiring management that “cannot otherwise be provided,” or whose financial affairs could be jeopardized by their age. From there the court’s power is broad: it can restrict how the money is invested, require approval for spending, and remove a guardian who falls short.
The Guardian of the Estate’s Job
The guardian of the estate is a financial fiduciary, not the same person as the guardian of the person who handles day-to-day care. The court issues formal letters of guardianship, which allow the fiduciary to open accounts, collect assets, and transact business on the child’s behalf. The role is answerable to the court at every stage.
The first deadline hits fast. Most states require the guardian to file a detailed inventory of every asset within 60 to 90 days of appointment. That inventory becomes the baseline the court uses to measure everything that follows. From then on, the guardian typically files annual accountings showing every dollar received, every dollar spent, and every investment gain and loss. Court auditors review the reports for unauthorized transactions, excessive fees, and patterns that suggest self-dealing.
Surety Bond
Before taking control of estate funds, most guardians must post a surety bond. It functions as an insurance policy that protects the child if the guardian mishandles the money. The bond amount is usually calculated from the value of personal property under the guardian’s control plus anticipated annual income. If a guardian steals or wastes estate funds, the bonding company pays the child and then pursues the guardian for repayment.
Premiums come out of the estate itself, which is one reason smaller inheritances get eaten up by administrative costs. Courts can sometimes waive the bond when the funds sit in a restricted account that nobody can access without a judge’s signature.
What It Costs
Guardianship proceedings carry real expenses beyond the bond. Filing fees to open the case typically run a few hundred dollars, though amounts vary by jurisdiction. Attorney fees for the guardian, any court-appointed attorney for the child, and ongoing accounting costs all draw down the estate over time. For inheritances in the $10,000 to $30,000 range, these expenses can consume a meaningful share of what the child ultimately receives, which is why the alternatives below matter so much.
Blocked Accounts for Cash Inheritances
When the inheritance is cash or easily liquidated assets, courts frequently order the money placed in a blocked account at a bank or credit union. The court issues a formal order to the financial institution prohibiting any withdrawal without a judge’s written authorization. The bank bears legal liability if it releases funds without a current court order.
Getting money out requires the guardian to file a petition explaining exactly what the funds are needed for. Courts generally approve withdrawals only for expenses tied to the child’s health, education, or basic support, and only after the petitioner shows the child’s parents cannot cover those costs on their own. Judges routinely require receipts and invoices confirming the money went where it was supposed to go.
Blocked accounts are popular with courts because they eliminate most of the risk. There is no investment management to supervise and no discretionary spending to audit. The money sits in an FDIC-insured account earning modest interest until the child turns 18, at which point the court orders the bank to release the funds.
Testamentary Trusts and Staggered Ages
When the person who died included a trust for the child inside their will, that trust is called a testamentary trust. It goes through probate and remains under court oversight for its entire life. The trustee named in the will manages the assets, but the court keeps jurisdiction to review decisions, approve accountings, and replace the trustee if needed.
Trustees must follow the investment standards set by the Uniform Prudent Investor Act, which the vast majority of states have adopted. The core requirement is to evaluate investments in the context of the entire portfolio rather than judging each asset in isolation. The Act emphasizes diversification, total return, and risk management suited to the trust’s objectives and the beneficiary’s needs. A trustee who concentrates the child’s inheritance in a single speculative stock violates that standard, even if the stock happens to go up.
Testamentary trusts offer one significant advantage over a plain guardianship: the person who wrote the will can push the distribution age beyond 18. A trust might release a third of the assets at 25, another third at 30, and the remainder at 35, keeping court protection in place years longer than a standard guardianship would. For larger inheritances, that extended control prevents a young adult from burning through the money before they have the financial maturity to manage it.
Planning Tools That Avoid Court Supervision
Court-supervised guardianships work, but they are expensive and slow. Several legal tools let families protect a child’s inheritance without ongoing judicial involvement.
UTMA Custodial Accounts
The Uniform Transfers to Minors Act, adopted in some form by nearly every state, lets an adult custodian hold and manage assets for a minor without a court appointment. A will can direct that a child’s share be transferred to a named custodian under UTMA rather than going through a guardianship. The custodian has broad discretion to invest and spend the funds for the child’s benefit, with far less paperwork than a court-supervised arrangement.
The tradeoff is less protection. No court audits the custodian’s decisions, and there is no surety bond. The assets must be turned over to the child at the age specified by state law, typically 21, though a handful of states use 18 and some allow the transferor to extend the age to 25. Once the child reaches that age, the money is theirs regardless of whether they are ready to manage it.
Revocable Living Trusts
A parent or grandparent who creates a revocable living trust during their lifetime can name the child as a beneficiary and designate a successor trustee to manage the assets after death. Because the assets are already in the trust, they skip probate entirely. The trust document spells out exactly how the money should be spent, when distributions happen, and what age the child gains full control. Unlike a guardianship or UTMA account, the trust creator can set almost any terms they want: staggered distributions, incentive provisions, even lifetime management for a child with special needs.
Living trusts cost more to set up than a simple will, but they often save far more in avoided guardianship fees, court costs, and delays. For anyone leaving a meaningful inheritance to a minor, this is where the planning conversation should start.
Life Insurance Beneficiary Designations
Life insurance is one of the most common ways children inherit money, and it creates a specific problem: insurers cannot pay policy proceeds directly to a minor. If a child is named as the sole beneficiary with no additional planning, the insurance company will hold the money until a court appoints a guardian of the estate, adding months of delay and thousands in legal fees.
The workaround is naming a trust or UTMA custodian as the beneficiary instead of the child directly. That lets the proceeds flow immediately to an adult who can manage them without court involvement. Some insurers also offer retained asset accounts that hold the proceeds and earn interest until the child reaches the age of majority, though those accounts may pay lower interest rates than other options.
Taxes on What a Minor Inherits
Inherited assets generally are not taxable income to the beneficiary, regardless of age. But the investment returns those assets generate absolutely are, and the tax rules for children are less generous than most people expect.
The Kiddie Tax
When inherited assets produce unearned income such as interest, dividends, or capital gains, a child’s earnings above $2,700 per year get taxed at the parent’s marginal rate rather than the child’s own, usually lower, rate.1Internal Revenue Service. Topic No. 553, Tax on a Child’s Investment and Other Unearned Income (Kiddie Tax) The rule, codified in the federal tax code, applies to children under 18, to 18-year-olds whose earned income doesn’t cover more than half their support, and to full-time students under 24 who meet the same support test.2Office of the Law Revision Counsel. 26 USC 1 – Tax Imposed
The practical impact: a $200,000 inheritance invested in a diversified portfolio generating $8,000 in annual dividends would have roughly $5,300 of that taxed at the parent’s rate. If the parents are in a high bracket, the child’s tax bill could be substantially more than if the same income belonged to an adult in a lower bracket. Guardians and trustees need to account for this when choosing investments.
Stepped-Up Basis
One genuinely favorable rule applies to inherited property regardless of the beneficiary’s age. When someone dies, the tax basis of their assets resets to fair market value at the date of death.3Office of the Law Revision Counsel. 26 USC 1014 – Basis of Property Acquired From a Decedent If a grandparent bought stock for $10,000 decades ago and it was worth $100,000 when they died, the child inherits it with a $100,000 basis. Selling immediately would trigger zero capital gains tax. Stepped-up basis applies to real estate, securities, and other appreciated property.
Inherited Retirement Accounts
A minor child of the account owner who inherits an IRA or 401(k) qualifies as an “eligible designated beneficiary,” a special category that allows the child to stretch required minimum distributions over their life expectancy while they are still a minor.4Internal Revenue Service. Retirement Topics – Beneficiary Once the child reaches the age of majority (21 for this purpose under post-2019 rules), a 10-year clock starts. The entire account must be emptied by the end of the tenth year after reaching majority, roughly by age 31.
Distributions from traditional IRAs and 401(k)s are taxed as ordinary income, so a guardian or trustee managing an inherited retirement account for a child should plan withdrawals carefully to avoid pushing large distributions into high-tax years. Roth IRAs follow the same distribution timeline but with no income tax on withdrawals, making them significantly more valuable as inherited assets.
Federal Estate Tax
For 2026, the federal estate tax exemption is $15,000,000 per person.5Internal Revenue Service. Whats New – Estate and Gift Tax Estates below that threshold owe no federal estate tax at all. The overwhelming majority of inheritances pass free of federal estate tax. The tax, when it applies, is paid by the estate before distribution, so a child receiving an inheritance from a taxable estate takes their share after the tax has been settled.
If a Guardian Mismanages the Money
The oversight mechanisms described above exist because fiduciary abuse is not rare. When a guardian or trustee mismanages a minor’s estate, the consequences can be both civil and criminal.
On the civil side, the court can remove the guardian, void any transactions involving self-dealing, and impose a surcharge, which is a personal liability judgment requiring the guardian to repay every dollar lost through breach of fiduciary duty out of their own pocket. If a surety bond is in place, the bonding company covers the loss and then pursues the guardian independently. Any interested person, including family members, can petition the court to begin removal proceedings.
On the criminal side, a guardian who steals from a minor’s estate faces prosecution for embezzlement, theft, fraud, or other financial crimes depending on the circumstances and the jurisdiction.6U.S. Department of Justice. Mistreatment and Abuse by Guardians and Other Fiduciaries Prosecutors can ask courts to freeze the guardian’s personal assets to prevent further dissipation and can seek restitution as part of a criminal sentence. Anyone who suspects a guardian is mismanaging a minor’s estate should report it to local law enforcement or the state attorney general’s office.
This is where the annual accounting requirement really earns its keep. Courts that actually review those filings catch problems early, before the money disappears. The system breaks down when courts are understaffed and filings go unread, which happens more often than it should.
When the Child Turns 18
Court supervision of a guardianship ends when the child reaches the age of majority, which is 18 in most states (though UTMA accounts and trusts may use older ages). The guardian or trustee files a final accounting summarizing the entire history of the estate’s management: every asset received, every expense paid, every investment gain and loss over the full span of the guardianship.
The court reviews that final report, and if everything checks out, the judge issues a discharge order releasing the guardian from further liability. The court then directs any financial institutions holding blocked accounts to release the funds to the now-adult beneficiary. From that point forward, the money belongs to them outright, with no further restrictions or oversight.
For large inheritances, that moment is exactly why testamentary trusts and living trusts with staggered distribution ages exist. An 18-year-old receiving a six-figure inheritance with zero restrictions is a recipe for regret in a significant number of cases. The best time to address that risk is when the estate plan is written, not when the child is already standing at the bank counter.