Are 529 Plans Included in Your Taxable Estate?

529 plans are generally not included in your taxable estate. Federal law treats each contribution as a completed gift to the beneficiary the moment it goes into the account, so the balance leaves your gross estate even though you keep the power to change beneficiaries, redirect the money, or take it back.¹ The main exception is a partial clawback when a donor uses the five-year superfunding election and dies before those five years are up. A separate rule can pull 529 funds into the beneficiary’s estate if the beneficiary dies.

Why 529 Balances Sit Outside Your Estate

Ordinarily, if you give money away but keep the right to take it back, the IRS treats it as still yours at death. 529 plans get an explicit statutory exception. The code says no amount held in a qualified tuition program is includible in the gross estate of any individual by reason of an interest in the program.²

That is unusual. You keep full control over the account, and the assets still leave your estate. It is one of the few planning tools where retained control does not undo the estate tax benefit.

The Superfunding Clawback

The annual gift tax exclusion for 2026 is $19,000 per recipient.³ A special 529 election lets you front-load up to five years of annual exclusions in a single contribution and spread the gift evenly across five calendar years for gift tax purposes.¹ For 2026, a single donor can put in up to $95,000 per beneficiary without touching the lifetime exemption. A married couple electing gift-splitting can contribute up to $190,000 to one beneficiary.⁴

The catch is survival. If the donor dies before the five-year period ends, the portion of the contribution allocated to the years remaining after death is pulled back into the gross estate.² The year of death counts as a completed year, so only the later years trigger inclusion.

An example. A grandparent contributes $95,000 to a grandchild’s 529 in 2026 and elects the five-year spread, allocating $19,000 to each year from 2026 through 2030. The grandparent dies in October 2028. The 2026, 2027, and 2028 gifts are complete. The 2029 and 2030 allocations, totaling $38,000, come back into the gross estate.

Original Contribution, Not Current Value

What comes back is the original dollar amount allocated to the remaining years, not the current 529 balance. If that $95,000 contribution grew to $130,000 by the date of death, only the $38,000 of unallocated original contribution is included. Investment growth stays outside the estate.¹ That is what makes superfunding attractive even for older donors: appreciation is permanently removed.

What the Clawback Actually Costs

Any amount pulled back stacks on top of the rest of the decedent’s assets and is taxed at the applicable federal estate tax rate. The federal estate tax is progressive, with rates that climb from 18% to a top rate of 40% on amounts above $1 million after the exemption is applied.⁵ For 2026, the federal basic exclusion amount is $15,000,000 per individual.⁴ For most families, a partial 529 clawback will not create a federal estate tax bill. In states with their own estate tax and lower thresholds, it can matter more.

If the Beneficiary Dies

The general exclusion protects the account owner’s estate, not the beneficiary’s. Amounts distributed from a 529 because of the beneficiary’s death can be included in the beneficiary’s gross estate.¹ This surprises families who assumed the money stayed in the owner’s estate planning orbit because the owner is someone else. For estate tax purposes, a 529 plan is treated as the beneficiary’s asset.

There is a way around it. The account owner can change the beneficiary to another qualifying family member of the same generation or older. If the funds are not distributed on account of the death, the inclusion rule does not apply. The 10% federal penalty on non-qualified withdrawals is also waived when the beneficiary dies, though income tax on the earnings portion of any distribution still applies.

Successor Owner: Keeping the Account Out of Probate

Once contributions clear the five-year election window (or were within the annual exclusion to begin with), the balance is out of the donor’s estate for federal tax purposes. The account still needs a living owner. Most 529 plans let you name a successor owner in the plan documents, and that is the single most effective way to keep the account out of probate.

With a successor owner named, control transfers automatically at the account owner’s death. The new owner can change the beneficiary, adjust investments, or request distributions. The transfer itself does not trigger gift or income tax. Without a successor owner, the account usually falls into the decedent’s probate estate and passes under the will or state intestacy laws, which can delay access for months while tuition bills come due.

State Estate and Inheritance Taxes

Federal rules are not the whole picture. Roughly a dozen states impose their own estate tax, and a handful levy an inheritance tax on the person receiving assets. Most states with an estate tax follow the federal treatment and exclude 529 balances, but exemption thresholds vary. Several sit well below the federal $15 million mark, so a superfunding clawback that produces no federal tax can still cross a state line.

Inheritance taxes work differently because they fall on the recipient rather than the estate. A transfer to a spouse or child often qualifies for an exemption; the same transfer to a more distant relative might not. If you live in a state with either tax, check the state-specific rules rather than assuming the federal exclusion carries over.

1
Office of the Law Revision Counsel. 26 USC 529 – Qualified Tuition Programs
2
Office of the Law Revision Counsel. 26 US Code 529 – Qualified Tuition Programs
3
Internal Revenue Service. Revenue Procedure 2025-32
4
Internal Revenue Service. Whats New – Estate and Gift Tax
5
Office of the Law Revision Counsel. 26 USC 2001 – Imposition and Rate of Tax