Leaving Money to Grandkids Is Not a Silver Bullet for Taxes

By the Editorial Team · Sunday, July 5, 2026

A taxpayer expecting a $5 million inheritance, including $3 million in retirement accounts, is exploring strategies to minimize taxes and control distribution timing to their young children. Experts warn that common approaches like directing funds to grandchildren may not reduce tax burdens due to the kiddie tax and withdrawal rules, highlighting the need for tailored estate planning solutions such as trusts and Roth conversions.

A taxpayer facing high income taxes and a sizable inheritance involving retirement accounts has sought advice on ways to minimize tax liabilities while controlling when their young children receive inherited funds. The individual, in their 50s with two elementary-aged children, anticipates inheriting approximately $5 million from their parents, of which about $3 million is held in retirement accounts. Concerned about the tax implications—potentially losing half of the inherited retirement funds to income tax over a 10-year withdrawal period—they are exploring the possibility of having their parents leave funds directly to their grandchildren to take advantage of lower tax rates.

Tax experts caution that this strategy may not yield the anticipated tax benefits due to the “kiddie tax,” which applies to unearned income, including interest, dividends, capital gains, and taxable retirement distributions. According to Mark Luscombe, principal analyst at Wolters Kluwer Tax & Accounting, the kiddie tax taxes unearned income over $2,700 at the parents’ marginal tax rate rather than the child’s, and it can apply to children up to age 23 depending on their circumstances. This means that simply directing inheritance to grandchildren may not significantly reduce tax burdens.

Inheriting retirement accounts also involves specific distribution rules. Minors who inherit such accounts from a parent must take minimum distributions based on their life expectancy until age 21, after which the account must be fully withdrawn within 10 years. If the retirement account is inherited from someone other than a parent, however, the 10-year withdrawal period begins immediately upon inheritance, potentially accelerating tax liabilities.

Additionally, estate planning experts note that inherited retirement accounts generally do not receive a stepped-up cost basis, which means that capital gains taxes may apply to the appreciation realized during the original owner’s lifetime. Jennifer Sawday, an estate planning attorney in Long Beach, advises that preserving taxable assets—which do receive a step-up in basis—while spending down retirement accounts during the owners’ lifetimes may enhance the overall value of the inheritance.

Sawday suggests considering strategies such as Roth IRA conversions if the current tax bracket of the account owners is lower than that of the heirs. While withdrawals from Roth IRAs would still have to comply with the 10-year rule after the owner’s death, they would not be subject to income tax upon distribution.

Another alternative involves the use of properly structured trusts to transfer assets directly to grandchildren while controlling timing of distributions. Trusts can be drafted to release funds at specified ages, reducing the risk of children gaining full access upon reaching adulthood. However, trusts often involve complex regulations and may be subject to higher tax rates, necessitating careful consultation with both estate planning attorneys and tax professionals before implementation.

Given the complexities involved, individuals facing similar situations are encouraged to seek personalized legal and tax advice to develop an inheritance plan that balances tax efficiency with the financial maturity and needs of younger beneficiaries.

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