Can You Have More Than One HSA Account at the Same Time

You can have only one HSA per person per year, but the rules around switching accounts and what happens to old ones are more flexible than they first appear

The IRS allows you to hold only one Health Savings Account at any given time during a calendar year. If you try to open a second HSA while the first one is still active, you will trigger what the IRS calls a "failure to maintain HSA coverage" — which means you owe taxes on the excess contributions plus a 20 percent penalty.

That said, you can close one HSA and open another in the same year, and you can move money between accounts through a process called a trustee-to-trustee transfer. The timing and the way you do it matter, because the IRS counts contributions by calendar year, not by when you actually opened the account.

Key Takeaways

You can hold only one active HSA per calendar year; opening a second one while the first is open triggers a 20 percent penalty on the excess contribution.
You can close one HSA and open another in the same year without penalty, as long as you do not contribute to both in the same calendar year.
A trustee-to-trustee transfer lets you move money from one HSA to another without touching the funds yourself or triggering taxes.
If you leave an HSA open after switching to a different health plan, the old account stays yours and keeps growing tax-free, even if you never add to it again.
The IRS counts HSA contributions by calendar year, so timing your account switch matters if you want to contribute in the same year.

Why the one-account-per-year rule exists

The IRS created the one-HSA rule to prevent people from stacking contributions. Because HSA contributions are tax-deductible and the money grows tax-free, allowing multiple accounts would let someone contribute far more than the annual limit ($4,150 for individual coverage and $8,300 for family coverage in 2024, though these amounts change yearly). The rule is straightforward: one account per person per calendar year.

The penalty for violating this rule is steep. If you contribute to two HSAs in the same year, the excess contribution is taxed as income, and you owe a 20 percent penalty on top of that. The IRS does not care which account you intended to be the "real" one — they count both contributions together and penalize the overage.

Closing one HSA and opening another in the same year

You can switch HSA providers mid-year without penalty, as long as you close the old account before opening the new one and do not contribute to both in the same calendar year. The key is the timing of your contributions, not the timing of when the accounts exist.

Here is how it works in practice: if you close your HSA with Bank A on June 15 and open a new one with Bank B on June 20, you can contribute to the Bank B account for the rest of the year. You just cannot contribute to Bank A anymore. The IRS will count your total contributions across both accounts for the year — so if you contributed $2,000 to Bank A before closing it, you can only contribute $2,150 more to Bank B (assuming individual coverage and a 2024 limit of $4,150).

The safest way to do this is to move your money via a trustee-to-trustee transfer rather than withdrawing it yourself. When you withdraw money from an HSA for non-medical reasons, you owe income tax plus a 20 percent penalty. A trustee-to-trustee transfer avoids that — the money moves directly from one institution to the other without you ever handling it, and the IRS does not count it as a contribution to the new account.

Moving money between HSAs without penalty

A trustee-to-trustee transfer is the cleanest way to consolidate HSAs or move your balance to a better account. You contact the new HSA provider and ask them to initiate the transfer. They will request your account information from the old provider, and the money moves directly between institutions. You do not fill out tax forms, and the IRS does not count it as a new contribution.

You are allowed one trustee-to-trustee transfer per HSA per 12-month period. If you try to do more than one in that window, the second transfer will be treated as a taxable withdrawal. The 12-month period is measured from the date of your last transfer, not from the calendar year, so timing matters if you are moving accounts multiple times.

Keep records of the transfer confirmation from both institutions. The old provider will send you a 1099-SA form at tax time showing the transfer amount, and you will need to report it correctly on your tax return to show the IRS it was not a taxable withdrawal.

What happens to an old HSA when you switch health plans

Many people assume they have to close their HSA when they change jobs or switch to a different health plan. You do not. An HSA belongs to you, not to your employer or your health plan. Once you open one, it stays yours for life, even if you stop contributing to it.

If you switch to a health plan that does not may have access to for HSA contributions — such as a PPO or HMO — you can keep your old HSA open and let the money sit there. It will continue to grow tax-free. You just cannot add new contributions while you are on a non-HSA-may be able to access plan. The moment you switch back to an HSA-may be able to access plan, you can start contributing again.

This is actually useful. Some people keep an old HSA open specifically to let it grow as a retirement account. After age 65, you can withdraw HSA money for any reason without the 20 percent penalty (though you still owe income tax on non-medical withdrawals). Leaving the account open and untouched means you have a tax-advantaged pool of money for later.

Employer-sponsored HSAs and multiple accounts

If your employer offers an HSA, they typically set one up for you automatically or offer you the option to open one through their chosen provider. You can still open a separate HSA on your own through a bank or investment firm, but again, only one can be active at a time during the calendar year.

Some people switch from an employer-sponsored HSA to an individual one because the individual account offers better investment options or lower fees. If you do this, you will need to close the employer account (or stop contributing to it) before opening the individual one, and you cannot contribute to both in the same year. A trustee-to-trustee transfer is the way to move the balance without triggering taxes.

Frequently Asked Questions

What happens if I accidentally open two HSAs in the same year?

Contact one of the providers when ready and ask them to close the account and reverse any contributions. The sooner you catch it, the easier it is to fix. If you have already made contributions to both, you will owe taxes and a 20 percent penalty on the excess amount when you file your tax return, unless you withdraw the excess before the tax important date.

Can I have an HSA with one bank and invest the rest with a brokerage?

No. You can have only one HSA at a time. However, many HSA providers — including some banks and brokerages — let you keep a small cash balance for when ready medical expenses and invest the rest in mutual funds or stocks within the same account. This gives you investment options without needing a second account.

If I leave my job, can I keep my employer HSA?

Yes. Your HSA is yours to keep regardless of employment status. You can leave the money in the employer's HSA, or you can do a trustee-to-trustee transfer to move it to an individual HSA with a different provider. Either way, the account and the money remain yours.

Does a spouse's HSA count as a second account for me?

No. Each person is allowed one HSA per year. If you are married and both have family coverage under the same health plan, you can each have your own HSA. If you have individual coverage and your spouse has individual coverage under different plans, you can each have one HSA. The rule is one per person, not one per household.

Can I reopen an old HSA I closed years ago?

No. Once you close an HSA, that account is closed. You cannot reopen it. However, you can open a new HSA with a different provider at any time, as long as you are covered by an HSA-may be able to access health plan and you do not have another active HSA. The money in your old closed account is gone unless you transferred it to a new account before closing.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.