Did you put a little too much into your HSA this year? It happens more often than you might think, especially if you switched jobs or your employer added money you forgot to count. The good news is that health savings account excess contributions are fixable, but only if you act before the tax deadline.
An HSA is one of the best savings tools around because of its triple tax advantage. But the IRS sets a yearly limit, and going over it comes with a penalty. Where you keep that money matters too, since a Charles Schwab health savings account handles contributions differently than a bank-based plan. Let's walk through exactly what counts as an over-contribution, what it costs, and how to clean it up.
What Counts as an HSA Over-Contribution
Every year the IRS sets a maximum you can put into a health savings account. For 2024, the limit was $4,150 for self-only coverage and $8,300 for family coverage. People age 55 and older can add an extra $1,000 catch-up contribution.
Anything above your limit counts as an excess contribution. Remember that the limit includes money from every source: your own deposits, your employer's contributions, and any amount a family member adds on your behalf. If you are still weighing an HSA against other coverage, our breakdown of a health savings account vs HMO explains how eligibility changes the limit.
A few common ways people go over the line:
- Contributing the full amount but only being HSA-eligible for part of the year
- Forgetting to count what your employer put in
- Having two HSAs and funding both up to the limit
- Staying enrolled after switching to a non-qualifying health plan
The 6% Excise Tax Explained
Here is the part that stings. The IRS charges a 6% excise tax on the excess amount that stays in your account. This tax is reported on Form 5329 when you file your return.
The 6% is not a one-time charge. It applies every single year the extra money remains in the HSA. So a $500 over-contribution left alone could cost you $30 this year, another $30 next year, and so on until you remove it or absorb it.
The tax is also capped. You pay 6% on the smaller of two numbers: the excess contribution, or the fair market value of your HSA at year-end. That detail rarely helps most people, but it can matter if your account value dropped.
How to Remove Excess HSA Contributions
The cleanest fix is to withdraw the excess before your tax filing deadline, including extensions. If you take out the extra money plus any earnings it generated by that date, you can avoid the 6% excise tax entirely. The rules here are similar to any time you withdraw money from a health savings account, so it helps to know how your provider processes distributions.
Call your HSA provider and ask for a "return of excess contribution." They will calculate the earnings tied to that money and send it back to you. You report the withdrawn earnings as taxable income for the year, but you skip the penalty.
While you sort this out, it can help to park the returned money somewhere safe and easy to reach. A no-fee account like Current gives you a simple place to hold cash without monthly charges eating into it while you decide your next move.
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What If You Miss the Deadline
Missed the filing deadline? You still have options, but the 6% tax kicks in for that year.
One approach is to leave the excess in place and "use it up" the following year. If you contribute less than your limit next year, the unused room can absorb the prior excess. You'll still owe 6% for the year it sat there, but you stop the bleeding going forward.
The other approach is a straight withdrawal. You can pull the excess out, but if it's after the deadline the earnings stay in the account and you pay the 6% for each year it lingered. Either way, the goal is to get back under the limit as fast as possible.
Keeping a tidy emergency buffer in a separate spending account makes these corrections less stressful. Many people use a fee-free option like Chime to hold short-term cash so they aren't dipping into long-term savings to cover a surprise tax bill.
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How to Avoid Over-Contributing Next Year
A little planning keeps this problem from coming back. These habits work for most people:
- Add up employer contributions first, then fund the difference yourself
- If you become HSA-eligible mid-year, use the IRS pro-rated limit
- Set automatic deposits to stop a month before the limit, then top off manually
- Review your total every quarter, not just at tax time
If you lose HSA eligibility during the year, stop contributing right away. Switching to a plan that isn't a qualified high-deductible health plan ends your ability to add money for those months. It also helps to understand which expenses qualify so you spend down rather than overfund, like whether you can use your HSA for a gym membership.
When to Talk to a Tax Pro
Most excess contributions are simple to fix on your own. But a few situations are worth a professional's eye.
If you've carried an excess for multiple years, have contributions from several sources, or aren't sure how the pro-rated limit applies to your mid-year change, a tax advisor can save you from compounding penalties. The cost of an hour of advice is often far less than years of 6% charges. Comparing providers, such as a Central Bank health savings account, can also reveal tools that make tracking your annual total easier.
Keep your records too. Save your year-end HSA statements and Form 5498-SA, which reports your total contributions. Clean records make any correction faster and protect you if the IRS ever asks questions.
Frequently Asked Questions
How much is the penalty for excess HSA contributions?
The IRS charges a 6% excise tax on the excess amount each year it stays in your HSA. It applies to the smaller of the excess contribution or your account's year-end value, and it repeats annually until you remove the excess or absorb it with unused contribution room.
Can I just leave the extra money in my HSA?
You can, but you'll typically owe the 6% excise tax for every year the excess remains. A smarter move is to either withdraw it before your filing deadline or apply your unused limit the next year to soak up the overage.
Do employer contributions count toward my HSA limit?
Yes. Your annual limit includes everything that goes into the account, including employer contributions, your own deposits, and anything a family member adds for you. Always count employer money first so you don't accidentally go over.
What is the deadline to fix an HSA over-contribution?
You generally have until your tax filing deadline, including extensions, to withdraw the excess plus any earnings and avoid the 6% tax. After that date, the penalty applies for the year the money sat in the account.
