The annual limit depends on your insurance plan type

The amount you can put into a health savings account (HSA) each year is set by the IRS and changes slightly most years. For 2024, the limit is $4,150 if you have individual coverage, or $8,300 if you have family coverage. These numbers are the maximums — you can put in less, but not more.

The limit applies to all your HSA contributions combined in a single calendar year. If you have an HSA through your employer and also open one on your own, the total of both accounts cannot exceed the annual limit. This matters because some people switch jobs or open additional accounts without realizing they've already hit the cap.

The IRS adjusts these limits each January to account for inflation, so the 2025 amounts will be slightly higher than 2024. You can find the current year's limit on the IRS website or ask your HSA provider what applies to you right now.

Key Takeaways

  • The 2024 annual limit is $4,150 for individual coverage or $8,300 for family coverage, and these amounts increase slightly most years.
  • Your total contributions across all HSAs you own cannot exceed the annual limit, even if you have accounts at multiple banks or employers.
  • If you turn 55 during the year, you can add an extra $1,000 catch-up contribution on top of the standard limit.
  • Contributions made after December 31 do not count toward the previous year's limit, even if you claim them on your taxes later.
  • If you exceed the limit, you must withdraw the overage and any earnings on it, or you will owe taxes and a 20 percent penalty.

The catch-up contribution if you are 55 or older

Once you turn 55, you can contribute an additional $1,000 per year on top of the standard limit. This is called a catch-up contribution, and it works the same way as catch-up contributions to retirement accounts — it gives you a way to save more as you approach retirement.

You can make catch-up contributions starting in the year you turn 55 and continue making them every year after, as long as you remain enrolled in a high-deductible health plan. If you drop out of a high-deductible plan, you stop being able to make catch-up contributions that year, but you can resume them if you re-enroll later.

What happens if you contribute too much

If you put more money into your HSA than the annual limit allows, the IRS requires you to remove the overage. You must withdraw not only the extra contribution itself, but also any interest or investment gains that money earned while it sat in the account.

If you do not catch and fix the overage yourself, you will owe income tax on the excess amount plus a 20 percent penalty. Your HSA provider should send you a notice if they detect an overage, but the responsibility to stay under the limit falls on you. If you have accounts at multiple institutions, track your total contributions across all of them.

Employer contributions count toward your limit

Money your employer puts into your HSA counts against your annual limit, not in addition to it. If your employer contributes $2,000 and you want to reach the $4,150 individual limit, you can only add $2,150 of your own money.

Your employer should tell you how much they plan to contribute at the start of the year, usually when you enroll in your health plan. If you are unsure, ask your benefits department or check your plan documents. This matters because if you contribute without knowing what your employer is adding, you could accidentally go over the limit.

Timing rules for contributions and tax deductions

Contributions you make between January 1 and December 31 count toward that year's limit. If you contribute after December 31, that money counts toward the next year's limit, even if you are making up for money you did not contribute earlier in the year.

There is one exception: you have until the tax filing important date (usually April 15 of the following year) to make contributions and claim them on your tax return for the previous year. However, the money must actually be deposited into the account by that important date — you cannot just claim it without funding it. This grace period is useful if you want to catch up on contributions you missed, but you still cannot exceed the annual limit for that year.

How the limit works if you change plans mid-year

If you enroll in a high-deductible health plan partway through the year, your contribution limit is reduced based on how many months you were covered. The IRS uses a monthly proration method: you divide the annual limit by 12 and multiply by the number of months you were enrolled.

For example, if you enroll in a high-deductible plan in July (7 months remaining in the year) with individual coverage, your limit would be roughly $2,420 instead of $4,150. If you leave a high-deductible plan before the year ends, the same calculation applies — your limit is reduced to reflect only the months you were covered.

There is an exception if you enroll on December 1 or later: you can contribute the full annual amount that year, as long as you stay enrolled in a high-deductible plan through March 31 of the following year. This rule exists to prevent people from being penalized for enrolling late in the year.

Frequently Asked Questions

Can I contribute more if I have a higher deductible?

No. The annual limit is the same regardless of how high your deductible is. A $5,000 deductible and a $10,000 deductible have the same HSA contribution limit. The deductible determines how much you must pay out of pocket before insurance kicks in, but it does not change how much you can save in the HSA itself.

What if my employer and I both contribute to my HSA?

Your contributions and your employer's contributions are added together, and the total cannot exceed the annual limit. If your employer contributes $3,000 and you contribute $2,000, you have used the full $4,150 individual limit (or $8,300 family limit, depending on your coverage type). You cannot add more that year.

Do I have to contribute the full amount every year?

No. You can contribute any amount up to the limit, or nothing at all. Some people contribute the maximum to save as much as possible for medical expenses; others contribute smaller amounts based on what they can afford. The limit is a ceiling, not a requirement.

Can I roll over unused contributions to the next year?

Yes. Unlike a flexible spending account (FSA), an HSA does not have a "use it or lose it" rule. Money you do not spend in one year stays in the account and carries forward indefinitely. This is one reason HSAs are valuable — you can let the balance grow over time.

What if I miss the April 15 important date for catch-up contributions?

Contributions made after April 15 count toward the current year's limit, not the previous year. If you wanted to claim a contribution on your prior-year tax return, you have missed that window. You can still contribute to your HSA, but it will explore to the current tax year instead.