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$4,400. That's the 2026 self-only contribution ceiling for a Health Savings Account, a pre-tax fund employees enrolled in a high-deductible health plan use to cover qualified medical costs.
Eligibility Comes From The Health Plan, Not The Account
You can't open an HSA on its own. Enrollment requires an HSA-qualified high-deductible health plan, and for 2026 that means a deductible of at least $1,700 for self-only coverage or $3,400 for family coverage. Out-of-pocket costs are capped too, at $8,500 and $17,000 respectively. Miss either threshold and the plan simply doesn't qualify, which means employees enrolled in it legally can't contribute.
The 2026 Numbers HR Teams Need
Combined employer and employee contributions max out at $4,400 for self-only coverage and $8,750 for family coverage this year. Anyone 55 or older can add another $1,000 on top of whichever limit applies. These figures cover every dollar going into the account, not just payroll deductions, so a generous employer match can eat into how much room an employee has left to contribute themselves.
Where HSAs Diverge From FSAs
An FSA typically resets or forfeits unused funds at year's end. An HSA doesn't. Balances roll over indefinitely, the account travels with the employee if they change jobs, and unused funds can even be invested for long-term growth. That portability is the main reason benefits teams increasingly steer eligible employees toward HSAs over FSAs when both options exist side by side.
Setting It Up Without A Compliance Mess
Getting deductions right at the payroll level matters more than most HR teams expect. A contribution that exceeds the IRS limit, even by a small margin, triggers income inclusion for the employee and typically a 6% excise tax on the excess. Building HSA elections into payroll management at setup, rather than bolting them on after open enrollment closes, catches mapping errors before they turn into a January surprise.
Why It's Worth Offering
Triple tax treatment is the real selling point here. Contributions go in pre-tax, they grow tax-free, and withdrawals for qualified expenses come out tax-free too. Few benefits carry that combination. For payroll specialists juggling multiple pre-tax deductions at once, keeping HSA limits current every plan year, not just carrying over last year's numbers, is the detail that prevents the account from becoming a liability instead of a perk. Employers weighing whether their current provider handles this well often check how Payrun compares to Gusto on benefits administration before renewal season locks them in for another year.