Opening an HSA requires three things: a high-deductible health plan, a bank or financial institution that offers HSA accounts, and proof of your coverage

You cannot open an HSA on your own. Your employer or the health insurance marketplace must first enroll you in a high-deductible health plan (HDHP). Once you have that coverage, you choose a bank, credit union, or investment firm to hold your HSA account, then provide them proof of your HDHP enrollment. The account opens within days.

The order matters: coverage first, then the account. If you try to open an HSA without HDHP coverage, the financial institution will reject it. If you have HDHP coverage but no HSA account, you are leaving money on the table—your employer may contribute to an account you set up, and you can deduct your own contributions from your taxes.

Key Takeaways

  • You must be enrolled in a high-deductible health plan before any bank will open an HSA for you.
  • Your employer may offer HSA accounts directly through payroll; if not, you can open one at any bank, credit union, or brokerage that offers them.
  • You will need your health plan documents or a letter from your insurer showing your HDHP coverage and deductible amount.
  • Employer-sponsored HSAs often have lower fees and may include employer contributions; individual HSAs give you more choice in where your money is invested.

Check whether your health plan qualifies as an HDHP

Not every health plan is a high-deductible plan. Your plan must meet IRS minimum deductible thresholds, which change each year. For 2024, an HDHP for individual coverage must have a deductible of at least $1,600; for family coverage, at least $3,200. Your plan documents or your insurer's website will state your deductible clearly.

If you enrolled through your employer, ask your benefits administrator whether your plan qualifies. If you bought coverage through the health insurance marketplace (Healthcare.gov or your state's exchange), check the plan details—they usually label HDHP-compatible plans clearly. If your current plan does not may have access to, you can switch to an HDHP during open enrollment or if you have a may have access to life event (job change, loss of coverage, marriage, birth).

Decide whether to use your employer's HSA or open your own

If your employer offers an HSA through payroll, that is usually the easiest route. Your employer handles the setup, contributions come out pre-tax directly from your paycheck, and you may not pay monthly maintenance fees. Ask your benefits or HR department for the plan documents and enrollment instructions.

If your employer does not offer an HSA, or if you want more control over where your money is invested, you can open an individual HSA at a bank, credit union, or investment firm. Banks and credit unions typically offer HSAs with low fees and conservative investment options (savings accounts, money market funds). Brokerages like Fidelity, Vanguard, and Charles Schwab offer HSAs with broader investment choices, including stocks and mutual funds, but may charge higher fees or require minimum balances. Compare the fee structure and investment options before choosing.

Gather your proof of HDHP coverage

When you open an HSA, the financial institution will ask for documentation that you have HDHP coverage. You will need one of the following:

  • Your health insurance card or a copy of your plan documents showing the deductible amount.
  • A letter from your health insurer confirming your HDHP coverage and deductible.
  • Your employer's benefits summary or enrollment confirmation.
  • A screenshot or printout from your insurer's online portal showing your plan details.

If you enrolled through the marketplace, log into Healthcare.gov or your state exchange and download your coverage documents. If you enrolled through your employer, contact HR or your benefits administrator and ask them to send you written confirmation of your HDHP coverage. Have this ready before you contact the financial institution.

Complete the account application

If you are using your employer's HSA, your HR or benefits department will send you enrollment forms or a link to an online portal. Fill out the form with your personal information, Social Security number, and banking details if you want contributions deducted from payroll. Submit it according to your employer's deadline—usually during open enrollment or within 30 days of your hire date.

If you are opening an individual HSA, visit the website of the bank, credit union, or brokerage you chose. Look for "Open an HSA" or "Health Savings Account" in their account options. You will enter your name, address, Social Security number, and employment status. Upload or provide your proof of HDHP coverage when prompted. Most institutions will ask whether you want to contribute yourself, receive employer contributions, or both. The application usually takes 10 to 15 minutes.

Verify your account is active and set up contributions

Once you submit your application, the financial institution will verify your HDHP coverage with your insurer or your employer. This usually takes 3 to 5 business days. You will receive a confirmation email with your account number and login credentials.

If your employer contributes to your HSA, those contributions will begin on your next payroll cycle after enrollment closes. If you are contributing yourself, you can set up automatic monthly transfers from your checking account, or make lump-sum contributions. Keep track of your contributions for tax purposes—you will report them on your tax return if you contributed with after-tax dollars, or your employer will report them on your W-2 if they contributed.

Understand HSA contribution limits and tax rules

The IRS sets annual contribution limits, which vary by coverage type and change each year. For 2024, you can contribute up to $4,150 for individual coverage or $8,300 for family coverage. If you are 55 or older, you can add an extra $1,000 catch-up contribution. These limits include both your contributions and your employer's contributions combined.

Contributions are tax-deductible if you made them yourself, or pre-tax if your employer deducted them from payroll. Withdrawals for may have access to medical expenses (copays, deductibles, prescriptions, dental work, vision care) are tax-free. Withdrawals for non-medical expenses are taxed as income and subject to a 20% penalty if you are under 65. After age 65, the penalty goes away, but non-medical withdrawals are still taxed as income.

Frequently Asked Questions

Can I open an HSA if I am self-employed?

Yes. You must have an HDHP, which you can purchase through the health insurance marketplace or a private insurer. Once you have coverage, you can open an individual HSA at any bank or brokerage that offers them. You deduct your contributions on your tax return as a self-employed person.

What happens to my HSA if I change jobs?

Your HSA stays with you. The account is yours, not your employer's. If your new employer offers an HSA, you can keep your old account or open a new one—many people keep the old account for its investment history and fees. If your new employer does not offer an HSA, your account remains active as long as you have HDHP coverage.

Can I open an HSA if I have Medicare?

No. Once you enroll in Medicare, you are no longer may be able to access to contribute to an HSA. You can keep an existing HSA and withdraw from it for may have access to medical expenses, but you cannot make new contributions. If you are approaching 65 and have an HSA, plan ahead for how you will use the balance.

How long does it take to open an HSA?

If you use your employer's plan, enrollment is immediate, but contributions may not start until your next payroll cycle. If you open an individual HSA, the application takes 10 to 15 minutes, and the account is usually active within 3 to 5 business days after the institution verifies your HDHP coverage.

Do I have to invest my HSA money, or can I leave it in savings?

You can do either. Most HSAs offer a savings account option that earns a small amount of interest with no investment risk. You can also invest part or all of your balance in mutual funds or stocks if you want growth potential. You can switch between savings and investments at any time, so you might keep money you need soon in savings and invest money you will not touch for years.