You open an HSA through a bank, insurance company, or financial services provider that offers HSA accounts—not through your employer or the government.

Your employer may offer an HSA plan as part of their benefits package, but they do not open the account for you. You choose the provider and set it up yourself, usually online or by phone. The account must be tied to a high-deductible health plan (HDHP)—you cannot open an HSA without one. If your employer offers an HDHP, you enroll in that plan during open enrollment, then separately open an HSA account with a provider of your choice. If you buy your own health insurance, you select an HDHP from your state's marketplace or directly from an insurer, then open an HSA with any provider that accepts your plan.

The entire process usually takes one to two weeks from start to funding. You will need your Social Security number, proof of HDHP coverage, and a way to fund the account—either a bank account for transfers or a payroll deduction through your employer.

Key Takeaways

  • You must be enrolled in an HDHP before you open an HSA; the two are legally linked and you cannot have one without the other.
  • Your employer does not open the account for you—you choose an HSA provider (bank, brokerage, or insurance company) and complete the setup yourself.
  • Funding can happen through payroll deduction (if your employer offers it), a one-time bank transfer, or regular monthly contributions you set up yourself.
  • You can change HSA providers at any time, and your money moves with you; you are not locked into the first provider you choose.

Choosing an HSA Provider

Common HSA providers include Fidelity, HealthEquity, Lively, Optum Bank, and many regional banks. Each charges different fees, offers different investment options, and has different minimum balances. Some charge no monthly fee if you keep a certain balance (often $1,000 to $2,500); others charge a flat annual fee regardless of balance. Some let you invest your HSA money in stocks and mutual funds; others keep it in a savings account earning interest.

Before you choose, check whether your employer has a preferred provider or offers payroll deduction only through one company. If your employer does not mandate a provider, compare the fee structure and investment options of at least two or three. A provider with low fees and no minimum balance is usually the best choice if you plan to use the account for near-term medical expenses. A provider with investment options makes sense if you plan to let the money grow for retirement.

You do not have to use your employer's provider. Even if your employer offers payroll deduction through one company, you can open an HSA elsewhere and fund it yourself through bank transfers. Payroll deduction is simply more convenient because the money comes out before taxes.

What You Need to Open an Account

Have these items ready before you start:

  • Your Social Security number
  • Proof that you are enrolled in an HDHP—this is usually your insurance card, a benefits statement from your employer, or a confirmation email from your marketplace plan
  • Your bank account number and routing number (if you plan to fund by transfer)
  • Your employer's name and benefits contact information (if you want to set up payroll deduction)

The provider will ask you to confirm your HDHP coverage. Some providers verify this automatically by checking your insurance company's records; others ask you to upload a copy of your insurance card or benefits letter. If you cannot provide proof immediately, many providers let you open the account and fund it later, once you have the documentation.

Funding Your HSA: Payroll Deduction vs. Bank Transfer

Payroll deduction is the most common method if your employer offers it. You tell your employer's benefits or payroll department how much to deduct from each paycheck and send to your HSA. The money is deducted before federal income tax, Social Security tax, and Medicare tax are calculated—meaning you save on taxes immediately. If you earn $50,000 a year and contribute $3,000 to an HSA through payroll deduction, you pay income tax on only $47,000.

To set up payroll deduction, contact your employer's benefits department or HR office. They will give you a form or direct you to an online portal where you enter the HSA provider's information and your desired contribution amount. Your employer then coordinates with the provider to receive your contributions. This usually takes one to two pay periods to start.

Bank transfer is the alternative if your employer does not offer payroll deduction or if you buy your own insurance. You open the HSA account, link your bank account, and transfer money yourself. You still get the tax deduction, but you have to claim it on your tax return (Form 8889) rather than avoiding the tax upfront. This means you pay tax on the money when you earn it, then deduct it when you file taxes the following year.

You can also contribute by check or by having the provider pull money directly from your bank account on a schedule you set (monthly, quarterly, or annually). The provider's website will show you all available funding methods.

Contribution Limits and Timing

The IRS sets annual contribution limits that change each year. For 2024, the limit is $4,150 for individual coverage and $8,300 for family coverage. These limits apply to all your HSA contributions combined—if you have two HSA accounts, the total across both cannot exceed the limit.

You can contribute at any time during the year, but contributions for a given tax year must be made by the tax filing deadline (usually April 15 of the following year). If you enroll in an HDHP mid-year, you can still contribute the full annual amount for that year, as long as you remain enrolled in an HDHP through December 31.

If you turn 55 during the year, you can make an additional "catch-up" contribution of $1,000 (this amount does not change year to year). This catch-up contribution is separate from the regular limit and can be made only by you, not by your employer.

What Happens After You Open the Account

Once your account is open and funded, you can use the HSA debit card (if your provider issues one) to pay for may have access to medical expenses at the point of sale. may have access to expenses include copays, coinsurance, deductibles, prescriptions, dental work, vision care, and many other health-related costs. You can also pay out of pocket and reimburse yourself from the HSA later—there is no time limit on reimbursement, as long as you have receipts.

Keep all receipts and documentation. The IRS can audit HSA accounts, and you must be able to prove that withdrawals were for may have access to expenses. If you withdraw money for a non-may have access to expense before age 65, you pay income tax on the withdrawal plus a 20% penalty. After age 65, you can withdraw for any reason without penalty, but non-medical withdrawals are still taxed as income.

Your HSA balance rolls over year to year—there is no "use it or lose it" rule like some other health accounts. Money you do not spend stays in the account and grows tax-free. This is why an HSA is often called a retirement savings account: you can let the money accumulate and use it for medical expenses decades later.

Changing or Closing Your HSA

You can switch HSA providers at any time. Contact your new provider and ask them to initiate a trustee-to-trustee transfer from your old provider. The money moves directly between accounts without touching your hands, so there are no tax consequences. This process usually takes one to two weeks. Some providers charge a transfer fee (typically $25 to $50); ask before you start the transfer.

If you lose your HDHP coverage—because you switch to a different health plan, enroll in Medicare, or gain coverage through a spouse's plan—you can no longer contribute to your HSA. However, you can keep the account open and use the existing balance for may have access to medical expenses indefinitely. You just cannot add new money to it.

If you close your HSA account, the provider will send you the balance by check or transfer it to a bank account you specify. Closing an account does not trigger taxes or penalties as long as you use the money for may have access to expenses or roll it over to another HSA.

Frequently Asked Questions

Can my employer force me to use their HSA provider?

No. Your employer can offer payroll deduction only through one provider, but you can open an HSA with a different provider and fund it yourself through bank transfers. You lose the convenience of payroll deduction, but you keep the tax deduction and full control over where your money goes.

What if I do not have an HDHP yet?

Enroll in an HDHP first through your employer's open enrollment or your state's health insurance marketplace. Once your coverage is active, you can open an HSA. Some providers let you open an account before coverage starts, as long as you provide proof that coverage will begin within a certain timeframe.

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

Yes. You must buy an HDHP from your state's marketplace or directly from an insurer, then open an HSA with any provider. You fund it through bank transfers and claim the contribution as a deduction on your tax return (Schedule C or Form 1040).

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

You can do either. Most providers offer a savings option that earns a small amount of interest with no investment risk. If you want to invest in stocks or mutual funds, you can move money into those options within the same account. You control how much stays in savings and how much is invested.

What if I contribute too much to my HSA by mistake?

Contact your HSA provider immediately. If you catch the error before the tax filing deadline, you can withdraw the excess contribution and any earnings on it without penalty, though you will owe income tax on the earnings. If you do not catch it in time, you will owe a 6% excise tax on the excess amount for each year it remains in the account.