3 HSA Mistakes to Avoid in 2026

Make smart choices so you can get the most value from your Health Savings Account.

When it comes to saving smart, not all accounts are created equal. A Health Savings Account (HSA) is one of the most powerful tools out there because it comes with a triple tax advantage (yes, triple 👀):

• Contributions are tax-free
• Investment earnings grow tax-free
• Withdrawals are tax-free when used for qualified healthcare expenses

That’s a rare combo and when used wisely, an HSA can support both your current healthcare needs and your long-term financial goals. If you already have one (or are thinking about opening one), here are three common HSA mistakes to avoid as we head into 2026.

1. Not contributing the maximum amount (if you can)

HSA contribution limits typically increase over time, and 2026 is no exception. Contributing as much as your budget allows can help you unlock more tax advantages and grow your savings faster.

2026 HSA contribution limits:

• $4,400 for self-only coverage
• $8,750 for family coverage

If you’re age 55 or older, you can also make an additional $1,000 catch-up contribution as long as you turn 55 by December 31.

Why it matters: healthcare costs tend to rise over time, especially in retirement. The more you’re able to save now, the more flexibility you may have later when medical expenses matter most.

2. Treating your HSA like a regular spending account

HSAs are flexible, you can use the funds for qualifying medical expenses now or years from now. But that flexibility can also make it tempting to drain the account whenever a bill pops up.

If you’re able to cover current medical costs out of pocket, consider letting your HSA balance sit and grow instead. One of the biggest advantages of an HSA is the ability to invest your balance and potentially grow it tax-free* over time.

Think of it this way: your HSA doesn’t have to be just a short-term spending tool. It can also be a long-term strategy for future healthcare needs.

3. Assuming you’re eligible because you were in the past

HSA eligibility is tied directly to your health insurance plan, and those details can change from year to year. Being eligible before doesn’t automatically mean you’re eligible in 2026.

For 2026, an HSA-compatible health plan must meet these requirements:

• Minimum deductible of $1,700 (self-only) or $3,400 (family)
• Out-of-pocket maximum of $8,500 (self-only) or $17,000 (family)

It’s also important to know that once you enroll in Medicare, you can no longer contribute to an HSA. You can, however, continue using your existing HSA balance to pay for eligible expenses like deductibles and co-pays.

Contributing when you’re not eligible can lead to tax penalties so it’s always worth double-checking before adding funds.

Make your HSA work harder in 2026

With a little planning, your HSA can be a powerful part of your overall financial wellness strategy. By avoiding these common mistakes and staying up to date on the rules, you can help your savings go further now and in the future.

If you’re interested in opening an HSA or want to learn more about how it works, check out Coastal Credit Union’s Health Savings Account options and see if it’s the right fit for you.