You can open an HSA on your own, but only if you have the right type of health insurance

Yes, you can open a Health Savings Account without employer sponsorship. But there is one hard requirement: you must be enrolled in a High Deductible Health Plan (HDHP). You cannot open an HSA with any other type of health insurance, and you cannot open one without health insurance at all. If you have an HDHP through the individual market, Medicare, Medicaid, or a spouse's plan, you can open an HSA at a bank, credit union, or investment firm on your own.

The account itself is separate from your health insurance. Your insurer does not manage it. You choose where to open it — just as you would a regular savings account — and you control what happens to the money inside. But the HDHP requirement is non-negotiable. Without it, the IRS will not allow the account to exist, and any money you contribute will be subject to taxes and penalties.

Key Takeaways

  • You must have an HDHP to open an HSA; no other health plan type allows HSA contributions, and you cannot have an HSA without active health coverage.
  • Individual market HDHPs, spousal plans, and certain Medicare and Medicaid plans all may have access to, but you need to confirm your specific plan meets IRS deductible and out-of-pocket limits.
  • You can open an HSA at any bank, credit union, or brokerage that offers them; there is no single official place to open one.
  • You will need your Social Security number, proof of HDHP coverage, and a small initial deposit, which varies by institution.
  • Contribution limits change yearly, and you can only contribute if you remain enrolled in an HDHP for the entire month.

What counts as an HDHP and where to find one

An HDHP is defined by its deductible and out-of-pocket limits. For 2024, an individual HDHP must have a deductible of at least $1,600 and an out-of-pocket maximum of no more than $8,050. For family coverage, the deductible must be at least $3,200 and the out-of-pocket maximum no more than $16,100. These numbers change each year. Your insurance documents will state whether your plan qualifies; if you are unsure, contact your insurer directly and ask whether your plan is HSA-may be able to access.

You can find an HDHP through the individual insurance marketplace (Healthcare.gov or your state's exchange), through a spouse's employer plan, or through certain Medicare and Medicaid programs. Some states offer HDHPs through Medicaid; others do not. If you are on Medicare, you cannot have an HSA while enrolled in Medicare Part A or Part B, but some Medicare Advantage plans are HSA-may be able to access — this is rare and worth confirming with your plan before assuming you may have access to.

Once you have confirmed your plan is an HDHP, you are free to open an HSA anywhere that offers them. You do not have to use your insurer's preferred provider or any particular bank.

Where to open an HSA account

Banks, credit unions, and investment firms all offer HSAs. Large national banks like Fidelity, Vanguard, and Charles Schwab offer them, as do many regional and online banks. Some credit unions offer HSAs to their members. You can search for HSA providers through the HSA Trustees Association directory or by calling banks in your area and asking whether they offer HSA accounts.

When comparing providers, look at three things: the account fee (many charge $0, but some charge $2 to $5 per month), the investment options (some offer only savings accounts; others allow you to invest in stocks and mutual funds), and the customer service availability. If you plan to keep your HSA as a simple savings account, a bank with no fee and a competitive savings rate is usually the best choice. If you want to invest the money, look for a provider that offers low-cost index funds or mutual funds.

You do not need to use the same bank where you have your checking account, and you do not need your employer's permission or involvement. The account is entirely yours.

What you need to open an account

Most providers will ask for your Social Security number, proof that you are enrolled in an HDHP, and a small initial deposit. The deposit amount varies — some institutions require $0, others require $25 or $100. A few require $1,000 or more, though this is less common for individual accounts.

Proof of HDHP enrollment usually means a copy of your insurance card, a letter from your insurer stating that your plan is HSA-may be able to access, or a screenshot of your plan details from the marketplace or your employer's benefits portal. Some providers will accept a simple statement that you are enrolled in an HDHP; others want documentation. Call ahead and ask what form of proof they accept so you do not waste time gathering the wrong documents.

You will also need to provide your address, date of birth, and employment status. Some providers ask whether you are self-employed or have other income; this does not disqualify you, but it helps them verify that you are allowed to contribute.

How much you can contribute and when

The amount you can contribute to an HSA changes each year. For 2024, the limit is $4,150 for individual coverage and $8,300 for family coverage. These limits are set by the IRS and announced in the fall for the following year. You can contribute up to the limit in a single deposit or spread contributions throughout the year.

There is one timing rule that catches people: you can only contribute to an HSA for months in which you are enrolled in an HDHP for the entire month. If you switch to a different health plan mid-month, you cannot contribute for that month. If you lose HDHP coverage in June, you can contribute for January through May, but not June or later. This matters most if you are opening an HSA late in the year — make sure you will still be enrolled in the HDHP through December before you contribute.

You can also make contributions for prior years if you have not yet filed your tax return for that year. This is called a catch-up contribution and must be made by the tax filing deadline (usually April 15). If you opened an HSA in November but were enrolled in an HDHP since January, you can contribute for all twelve months in one deposit, as long as you do it before April 15 of the following year.

Self-employed and sole proprietor HSAs

If you are self-employed or a sole proprietor, you can open an HSA as long as you have an HDHP. You are not required to have an employer offer one. You purchase your HDHP through the individual marketplace or a broker, and then open an HSA at any provider that accepts individual accounts.

The contribution limit is the same as for anyone else — $4,150 for individual coverage in 2024. You can deduct HSA contributions on your tax return, which lowers your taxable income. Unlike a Simplified Employee Pension (SEP) IRA or Solo 401(k), there is no self-employment income threshold or calculation involved. You contribute up to the annual limit, and that is it.

What happens if you lose HDHP coverage

If you switch to a non-HDHP plan or lose health insurance, you can no longer contribute to your HSA. However, the money already in the account stays there and can be used for may have access to medical expenses for the rest of your life. You can withdraw it tax-free as long as you use it for may be able to access expenses like deductibles, copays, prescriptions, dental work, and vision care.

If you withdraw HSA money for non-medical expenses after you lose HDHP coverage, you will owe income tax on the withdrawal. You will not owe the additional 20% penalty that applies if you withdraw for non-medical expenses while you still have an HDHP, but you will owe regular income tax. Keep your receipts for any medical expenses you pay out of pocket, because you can reimburse yourself from the HSA years later if you want to, as long as you have the documentation.

Frequently Asked Questions

Can I open an HSA if I am on my spouse's health insurance?

Yes, if your spouse's plan is an HDHP. You can open your own HSA and contribute based on your spouse's coverage type. If your spouse has individual HDHP coverage, you can contribute $4,150 (2024 limit). If your spouse has family HDHP coverage that includes you, you can contribute up to the family limit of $8,300, though you and your spouse together cannot exceed that amount.

What if my plan has a deductible that is too low to be an HDHP?

You cannot open an HSA. You would need to switch to a plan that meets the HDHP deductible minimum. If you are on the individual marketplace, you can switch plans during open enrollment (November through January) or if you have a may have access to life event like a job loss or move. If you are on an employer plan, you can usually switch during the annual benefits enrollment period.

Do I have to use the HSA every year or lose the money?

No. HSA money does not expire. You can let it sit in the account for years and use it whenever you need it for medical expenses. This is different from a Flexible Spending Account (FSA), which has a "use it or lose it" rule. HSAs are designed to let you save for future medical costs.

Can I open multiple HSAs?

No. You can have only one HSA at a time. If you open a second account, the IRS will treat excess contributions as over-contributions and you will owe taxes and penalties. You can move money between HSAs (called a trustee-to-trustee transfer) or close one and move the balance to another, but you cannot maintain two active accounts simultaneously.

What if I open an HSA but then realize my plan is not actually an HDHP?

Contact your HSA provider and your insurer right away. If you have already made contributions, you will need to withdraw them before your tax return is filed to avoid penalties. The provider can help you reverse the contributions. This is why confirming your plan status before opening the account is important — it saves you from having to undo the account later.