The HSA Is the Most Underused Account a Self-Employed Owner Has

Most retirement and tax-advantaged accounts give you one tax break. A health savings account gives you three, stacked on top of each other, and almost no self-employed owner I talk to is using it to anywhere near its limit. If you buy your own health insurance, this is the single most overlooked move on the table — so let’s walk through exactly how it works and what it’s worth.

Three tax breaks in one account

A normal deduction saves you tax once, on the way in. An HSA saves you tax three separate times:

You deduct the money going in. Contribute $8,750 and that whole amount comes off your income — and it’s an “above-the-line” deduction, meaning you get it whether or not you itemize. Then the money grows tax-free inside the account; invest it and the gains never get taxed. Then you pull it out tax-free for any qualified medical expense — doctor visits, prescriptions, dental, vision, a chunk of long-term-care premiums. Money goes in untaxed, grows untaxed, comes out untaxed. There is no other account in the tax code that does all three.

The 2026 numbers

Here’s what you can put in for 2026: $4,400 if you have self-only coverage, $8,750 for family coverage. Age 55 or older? Add another $1,000 catch-up on top.

Put a real dollar figure on it. A family contributing the full $8,750, sitting in a 32% combined federal-and-New-York bracket, saves around $2,800 in tax — for money that’s still yours, still spendable on the family’s medical bills. That’s not a rebate you give up; it’s your own money you stopped handing to the government.

The one requirement is the kind of insurance you carry. To fund an HSA you need a “high-deductible health plan” — for 2026 that means a deductible of at least $1,700 for an individual or $3,400 for a family, with out-of-pocket maximums capped at $8,500 and $17,000. That’s the trade: a higher deductible in exchange for the account. For a lot of healthy self-employed owners, the lower premium plus the triple tax break comes out ahead — but you have to run your own numbers, because if your family burns through medical bills every year, a richer plan may win.

The part nobody tells you: it’s a stealth retirement account

Here’s where it gets interesting. You do not have to spend the money the year you put it in. Pay this year’s medical bills out of pocket, leave the HSA invested, and let it compound for decades. There’s no “use it or lose it” — that’s an FSA, a different animal.

Then, once you turn 65, the rules loosen all the way. You can pull HSA money out for anything, not just medical, and it’s simply taxed like a traditional IRA withdrawal. Use it for a qualified medical expense and it’s still completely tax-free, even in retirement. So a fully funded HSA is really a backdoor retirement account with a better tax deal than your IRA — most people just never let it grow long enough to find out.

A couple of guardrails. The HSA deduction is separate from the self-employed health insurance deduction — you can take both. And if you’re a more-than-2% S-corp owner, you can’t run HSA contributions through payroll pre-tax, but you still claim the deduction on your personal return (Form 8889) — something we handle as part of business tax preparation for self-employed owners. Once you’ve got this funded, the next dollars usually belong in a retirement plan — see the SEP-IRA vs. Solo 401(k) math.

Geiger Tax & Accounting is based in Amityville, NY and works with business owners nationwide. This article is general information, not tax or investment advice for your specific situation. HSA eligibility, contribution limits, and high-deductible-plan rules have specific requirements — confirm your situation with a professional before acting. Reach us at (631) 532-5622 or info@geigertax.com.