Annual contribution limits are set by the IRS and change each year based on inflation

The amount you can contribute to a Health Savings Account (HSA) depends on the type of health coverage you have and the year. For 2024, the IRS limits are $4,150 for individual coverage and $8,300 for family coverage. These numbers increase most years — the 2025 limits are $4,300 for individual and $8,550 for family. The limits apply to all contributions combined: money you put in, money your employer puts in, and money anyone else puts in on your behalf all count toward the same annual cap.

If you turn 55 during the year, you can add an extra $1,000 catch-up contribution once you reach that age. This $1,000 addition stays the same regardless of inflation and applies only to you, not to your spouse, even if you have family coverage.

The contribution year runs January 1 through December 31. You can make contributions until the tax filing deadline (usually April 15 of the following year), but any contributions made after December 31 count toward the next year's limit.

Key Takeaways

  • The 2024 limit is $4,150 for individual coverage and $8,300 for family coverage; 2025 limits are $4,300 and $8,550.
  • Contributions from you, your employer, and anyone else all count toward the same annual limit — you cannot exceed the cap by combining sources.
  • Once you turn 55, you can add $1,000 extra per year as a catch-up contribution.
  • You can contribute until the tax filing deadline of the following year, but contributions after December 31 count toward next year's limit.
  • Exceeding the limit results in taxes and a 20 percent penalty on the overage unless you withdraw it by the filing deadline.

How employer and personal contributions work together

If your employer contributes to your HSA, that amount reduces how much you can contribute yourself. For example, if your employer puts $2,000 into your HSA and you have individual coverage in 2024, you can only add $2,150 more (the $4,150 limit minus the $2,000 employer contribution). Your employer's contribution is not taxable income to you, and you do not have to report it on your tax return — your employer handles that reporting.

If someone else contributes on your behalf (a family member, for instance), you must report that contribution to the IRS. You add it to your own contributions when calculating whether you have hit the limit. The person making the contribution does not get a tax deduction for it unless they are your employer.

If you change jobs mid-year, contributions from both employers count toward the same annual limit. You are responsible for tracking the total across both employers and making sure you do not exceed the cap. If you do exceed it, you must withdraw the overage and any earnings on it by the tax filing deadline to avoid penalties.

What happens if you contribute too much

If you put more into your HSA than the annual limit allows, the excess amount is subject to income tax plus a 20 percent penalty. The penalty applies only to the overage, not to your entire HSA balance. For example, if the limit is $4,150 and you contribute $4,500, the $350 overage is taxed as income and hit with a $70 penalty (20 percent of $350).

You can correct an overage by withdrawing the excess contribution and any earnings it generated by the tax filing deadline. If you do this, you avoid the penalty, though you still owe income tax on any earnings the overage generated. After the filing deadline, the penalty becomes permanent.

If your employer made the overage contribution by mistake, ask them to correct it immediately. They may be able to recover the excess before it causes tax problems for you. Keep records of all contributions — from yourself, your employer, and anyone else — so you can verify the total against the IRS limit.

Catch-up contributions at age 55 and older

The $1,000 catch-up contribution is available once you turn 55 and remains available every year after that, as long as you stay enrolled in an HSA-may be able to access health plan. The $1,000 is a fixed amount and does not increase with inflation, unlike the main contribution limit. If you have family coverage, only the account holder (the person whose name is on the HSA) can make the catch-up contribution — your spouse cannot make a separate $1,000 catch-up unless they also have their own HSA.

The catch-up contribution is optional. You do not have to make it if you do not want to. If you reach 55 mid-year, you can make the catch-up contribution for that year as long as you are enrolled in an HSA-may be able to access plan by December 31.

Contribution limits when you lose HSA may be able to access

If you drop your HSA-may be able to access health plan mid-year, you can only contribute a prorated amount for the months you were covered. For example, if you had individual coverage for six months in 2024, you could contribute roughly half of $4,150 (the exact amount depends on which months). If you switch to a non-HSA plan like a Health Maintenance Organization (HMO) or a Preferred Provider Organization (PPO) that does not may have access to, you lose the right to contribute for the rest of that year.

If you made contributions before losing may be able to access, you do not have to withdraw them — they stay in the account and you can use them for medical expenses. You simply cannot add more money once you are no longer covered by an HSA-may be able to access plan.

If you enroll in Medicare, you become ineligible to contribute to an HSA starting the month you enroll, even if you keep your HSA-may be able to access plan. You can still withdraw money from your HSA for medical expenses, but you cannot put new money in.

How to track contributions and avoid mistakes

Your HSA provider sends you a statement each year showing all contributions made to your account. Review it carefully to make sure it matches what you contributed plus what your employer contributed. If there is a discrepancy, contact your HSA provider and your employer's benefits department right away.

If you have multiple HSAs (which is allowed but uncommon), you must track contributions across all of them. The total of all contributions cannot exceed the annual limit. Some people end up with multiple HSAs by accident when they change jobs or health plans — consolidating them into one account makes tracking much simpler.

Keep records of contributions you make yourself, especially if you contribute by check or bank transfer rather than payroll deduction. If you contribute through payroll, your employer's records and your pay stub are your proof. Save any receipts or confirmation emails from your HSA provider showing the contribution was received.

Frequently Asked Questions

Can my spouse and I each contribute the full family coverage limit?

No. If you have family coverage, the $8,300 limit (2024) applies to both of you combined, not to each of you separately. You and your spouse must decide how to split the limit between your two HSAs. If you each have individual coverage instead, you each get the individual limit of $4,150.

What if my employer contributes more than the limit?

Your employer is responsible for staying within the limit. If they contribute too much, you must withdraw the overage and any earnings by the tax filing deadline to avoid penalties. Contact your employer's benefits department immediately if you suspect an overage.

Do I have to contribute the full limit every year?

No. The limit is a maximum, not a requirement. You can contribute any amount up to the limit, or nothing at all. Many people contribute less in years when they expect lower medical expenses.

Can I contribute to an HSA if I am on Medicare?

No. Once you enroll in Medicare, you become ineligible to make new contributions, even if you keep an HSA-may be able to access health plan. You can still withdraw money from your HSA for medical expenses without penalty.

What if I contributed too much and did not realize it until after the tax deadline?

The 20 percent penalty becomes permanent. You owe income tax on the overage plus the penalty. You may be able to claim a deduction for the excess contribution on your tax return in some cases — consult a tax professional about your specific situation.