2. The “Beneficiary Tax Bomb”

We often think of HSAs as “super IRAs,” but they have a fatal flaw when it comes to estate planning. With a traditional IRA, if you pass away, your children (or other non-spouse beneficiaries) can typically spread distributions over 10 years, managing the tax hit. With a Roth IRA, they generally pay no tax at all.

The HSA rules are far more brutal.

If you leave your HSA to your spouse, it simply becomes their HSA. No taxes are due, and life goes on. However, if you leave your HSA to anyone else—your children, a sibling, or a friend—the tax shelter instantly collapses.

The entire value of the HSA becomes taxable income to your beneficiary in the single year of your death.

A Real-World Example

Imagine you diligently save $100,000 in your HSA for retirement healthcare costs. You pass away and leave the account to your adult daughter.

Unlike an inherited IRA, she cannot stretch this out. That entire $100,000 is added to her taxable income for that year. If she is already in a 24% tax bracket, this inheritance could push her into the 32% or 35% bracket, causing her to lose nearly a third or more of your hard-earned savings to the IRS immediately.

“If your goal is to leave a legacy, the HSA is one of the least tax-efficient assets to leave to anyone other than your spouse.” — Ed Slott, CPA and Retirement Expert

The Fix: Prioritize spending down your HSA money during your lifetime for medical expenses. If you have other assets, use your HSA funds for healthcare first, allowing your more inheritance-friendly assets (like Roth IRAs or brokerage accounts with a step-up in basis) to grow for your heirs.