2027 HSA limits and open enrollment: how to choose a plan with your real budget

Open enrollment is when many people choose next year's health coverage. If one option is a high-deductible health plan (HDHP), the decision often comes with a second question: should you use a health savings account (HSA)?

The short answer: an HSA can be useful if you are eligible and can afford the plan's higher deductible. It is not automatically the best choice for everyone.

United States guidance, checked October 16, 2026. Laws and plan rules can change, and updates may take time to appear here. Verify current requirements with the IRS and your plan administrator. The cover is an AI-generated conceptual illustration, not a real plan document.

What are the 2027 HSA contribution limits?

For calendar year 2027, the IRS set the HSA contribution limit at $4,500 for self-only HDHP coverage and $9,000 for family HDHP coverage. People age 55 or older can generally contribute an extra $1,000 catch-up contribution. These figures come from IRS Revenue Procedure 2026-24.

Contribution limits include money from you and your employer. If your employer adds money, reduce your own planned contribution so the combined total stays within the limit.

What makes a 2027 health plan HSA-eligible?

For 2027, an HDHP must have a minimum annual deductible of at least $1,750 for self-only coverage or $3,500 for family coverage. Its out-of-pocket maximum cannot exceed $8,700 for self-only coverage or $17,400 for family coverage.

Eligibility also has other conditions. Generally, you must have qualifying coverage on the first day of the month, have no disqualifying other health coverage, not be enrolled in Medicare, and not be claimable as someone else's dependent. A general-purpose health FSA, including a spouse's FSA that covers you, can affect eligibility; some limited-purpose arrangements are permitted. Your plan documents and IRS Publication 969 are the best places to confirm your situation.

There are newer exceptions to the usual HDHP definition. Beginning in 2026, certain bronze and catastrophic plans available through an individual insurance exchange are treated as HDHPs for HSA purposes, even when their deductible or out-of-pocket design would not otherwise qualify. Do not decide eligibility from the deductible alone. Ask the insurer and consult IRS Notice 2026-05.

Does an HSA expire at the end of the year?

No. Unused HSA money generally carries forward rather than following an FSA-style use-it-or-lose-it rule. The account stays with you if you change employers. Keeping an existing balance and being eligible to make new contributions are different questions: losing contribution eligibility does not automatically mean you lose the account.

Under federal rules, qualified medical distributions are generally tax-free. Nonqualified withdrawals may be taxable and can carry an additional tax. Keep receipts and check whether an expense qualifies; not every health-related purchase does. State tax treatment can differ from federal treatment.

Compare the yearly cost, not only the premium

A low monthly premium can look like the cheaper plan until you add the deductible and expected care. A simple comparison uses three numbers:

1. Annual premiums: your paycheck deduction multiplied by the number of pay periods.
2. Expected care: visits, prescriptions, therapy, tests or planned procedures you reasonably expect.
3. Covered in-network stress-test cost: annual premiums plus the plan's out-of-pocket maximum.

That stress test is not a cap on every possible bill. Out-of-network care, noncovered services and some other charges may sit outside the maximum. Check the Summary of Benefits and Coverage and how any family deductible works.

A hypothetical example

Imagine comparing two plans for one person. These are made-up numbers to show the method, not real plan prices.

• Plan A, traditional plan: $160 a month in premiums, or $1,920 a year, and a $5,000 out-of-pocket maximum. Covered in-network stress test: $6,920.
• Plan B, HSA-eligible HDHP: $90 a month in premiums, or $1,080 a year, and a $7,000 out-of-pocket maximum. Its employer HSA contribution is $500. Covered in-network stress test before using the employer money: $8,080.

Plan B saves $840 in yearly premiums. In a low-use year, it may cost less. In a high-use year, Plan A may cost less. The right answer depends on your expected care and whether you could pay the higher costs if a big bill arrived.

Can you afford the deductible month to month?

An HSA works best when the deductible is a planned expense, not a surprise. Before choosing an HDHP, check whether you can cover a large medical bill without using a high-interest credit card.

If your emergency savings are thin, consider building a separate health cushion first. You do not need to fund the full deductible at once. Even a monthly automatic contribution can turn a large possible bill into a smaller, predictable cost.

How much should you contribute each paycheck?

Start with an affordable yearly goal, subtract employer contributions, then divide your share by the number of remaining paychecks. For example, a hypothetical $2,400 total goal with a $600 employer contribution leaves $1,800 for you. Across 24 paychecks that is $75 per paycheck. The legal maximum is a ceiling, not a savings target everyone must reach.

The full annual limit assumes the relevant eligibility conditions are met. Part-year coverage can reduce the amount you may contribute. A last-month rule can sometimes allow more, but it has a testing period and consequences if eligibility is lost. Do not automatically use the full limit after a midyear job change. Ask a qualified tax professional to check it. For married couples, family limits and age-55 catch-ups also need coordination; each spouse's catch-up generally goes into that spouse's own HSA.

Which open-enrollment mistakes cost the most?

• Assuming your doctors and medicines stay covered. Check provider networks and drug lists for the new year.
• Forgetting employer contributions. They count toward the annual HSA limit.
• Choosing by premium alone. A lower premium can come with much higher costs when you need care.
• Contributing while ineligible. Changes in coverage or Medicare enrollment can affect eligibility.
• Leaving no cash for the deductible. Tax benefits do not help if a bill becomes card debt.

A simple open-enrollment checklist

1. Download the plan summary and network details for each option.
2. List the care and prescriptions you expect next year.
3. Compare annual premiums, deductibles and out-of-pocket maximums.
4. Add employer HSA money only if the plan offers it.
5. Set a monthly health-savings amount that fits your budget.
6. Put enrollment deadlines and payroll changes on your calendar.

MoneyPatrol can help you review spending and cash flow in supported connected accounts, so you can see whether a plan's deductible fits your month-to-month budget. It does not determine HSA eligibility, replace insurer documents or guarantee that a particular HSA provider can connect.

For the next step, read our medical-bill review guide and saving and emergency-fund guide.

Official sources

• IRS Revenue Procedure 2026-24: 2027 HSA and HDHP limits
• IRS Publication 969: Health Savings Accounts and other tax-favored health plans
• IRS Notice 2026-05: expanded HSA availability

Plan rules and tax guidance can change. Check current information with your plan administrator, the IRS and a qualified tax or benefits professional. Information was checked against official sources on October 16, 2026.

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MoneyPatrol is not a financial, tax, investment, legal or accounting advisor. This article is for general educational purposes only and is not a substitute for personalised advice from a qualified professional. See our full disclaimer.