HSA Portability: Changing Jobs and Keeping Your Account
Health Savings Account portability is one of the most practically significant distinctions between HSAs and other employer-sponsored benefit accounts. Unlike Flexible Spending Accounts, an HSA balance belongs unconditionally to the account holder — not to the employer — and travels with the individual through job changes, gaps in employment, and shifts in insurance coverage. This page covers the definition and scope of HSA portability, the mechanics of how accounts transfer, common employment-transition scenarios, and the key decision points that determine the best course of action.
Definition and scope
HSA portability refers to the statutory rule that an HSA is individually owned and cannot be forfeited or reclaimed by an employer. The authority for this rule flows from 26 U.S.C. § 223, the Internal Revenue Code section that establishes HSAs. Because the account is opened in the employee's name — not the employer's name — it remains intact regardless of what happens to the employment relationship.
This contrasts sharply with Health Reimbursement Arrangements, which are employer-owned notional accounts, and with Health Care FSAs, which carry the "use-it-or-lose-it" forfeiture risk covered in detail at /regulatory-context-for-health-savings. The IRS reaffirms the individual-ownership structure in IRS Publication 969, which states that "the account beneficiary owns the HSA" and that funds roll over from year to year without forfeiture.
Portability applies to all funds in the account at the moment of separation: the employee's own contributions, any employer contributions already deposited, and any investment gains. Employer contributions that have been deposited become the employee's property immediately upon deposit — there is no vesting schedule permitted under HSA rules.
How it works
When an employee separates from a job, the HSA simply remains open at whichever financial institution (bank, credit union, or custodian) holds it. No transfer, rollover, or employer action is required for the account to survive. The practical steps after a job change unfold as follows:
- Account remains active. The custodian keeps the account open. The account holder retains the debit card and online access unless they choose to move the account.
- Contributions pause. Payroll-deduction contributions end with the last paycheck. The account holder can resume contributions independently — via check, ACH transfer, or a new employer's payroll system — as long as HSA eligibility under a qualifying High-Deductible Health Plan continues.
- Investment holdings stay in place. Any funds invested in mutual funds or other instruments within the HSA are not liquidated by a job change. The account continues to grow or fluctuate based on market performance.
- Fees may change. Many employers subsidize custodial maintenance fees. After separation, the account holder may become responsible for monthly fees that were previously covered — typically ranging from $2.50 to $4.50 per month at major custodians, though fee structures vary by institution.
- Optional transfer or rollover. The account holder may move the balance to a preferred custodian through either a trustee-to-trustee transfer (unlimited, no tax consequences) or a 60-day rollover (limited to 1 per 12-month period under IRS Revenue Ruling 2004-45).
Eligibility to make new contributions is tied exclusively to HDHP enrollment — not employment status. An account holder enrolled in a qualifying HDHP through a new employer, a marketplace plan, or COBRA can contribute up to the annual IRS limit for the calendar year. For 2024, that limit is $4,150 for self-only coverage and $8,300 for family coverage (IRS Rev. Proc. 2023-23).
Common scenarios
Scenario A — New job with an HDHP option. An employee leaves one HDHP-eligible job and enrolls in a new employer's HDHP within the same calendar year. The existing HSA balance is unaffected. Contributions from both employers (prorated for the months each was the source) plus personal contributions cannot exceed the annual IRS ceiling. This is the cleanest transition: eligibility is uninterrupted and the contribution limit is unchanged.
Scenario B — New job without an HDHP. The new employer offers only a traditional PPO or HMO. The account holder is no longer eligible to contribute new funds once enrolled in the non-HDHP plan. The existing balance, however, remains fully accessible for qualified medical expenses tax-free and penalty-free. The account does not close; it simply becomes a "spending-only" account until HDHP coverage resumes.
Scenario C — Gap in employment with COBRA. An account holder elects COBRA continuation of an HDHP. If the COBRA plan meets the minimum deductible thresholds — $1,600 for self-only and $3,200 for family coverage in 2024 (IRS Rev. Proc. 2023-23) — HSA eligibility is maintained during the COBRA period and contributions can continue.
Scenario D — Self-employment. An account holder transitions to self-employment and purchases an individual HDHP through the ACA marketplace or directly from an insurer. Eligibility is maintained and contributions continue at the same annual limits. This scenario is explored further in the context of the main overview at /index.
Decision boundaries
The central decision after a job change is whether to keep the HSA at the existing custodian or transfer it to a new one. The relevant comparison points:
| Factor | Keep existing custodian | Transfer to new custodian |
|---|---|---|
| Fee structure | May increase post-employment | Can select lower-fee option |
| Investment menu | Fixed by original custodian | Choose broader fund selection |
| Employer integration | Ends at separation | May re-link if new employer uses same custodian |
| Tax consequence | None | None (if trustee-to-trustee) |
| Time and effort | Minimal | Requires transfer paperwork |
A trustee-to-trustee transfer is preferable to the 60-day rollover in most cases because it carries no transaction limit and eliminates the risk of a missed deadline, which would trigger income tax and a 20% penalty on the transferred amount under 26 U.S.C. § 223(f).
The "last-month rule" under IRS Publication 969 also demands attention during job transitions: an account holder who is HSA-eligible on December 1 of a calendar year can contribute the full annual amount for that year — but must remain eligible through the following December 31 (the "testing period"). Changing to a non-HDHP plan in the middle of a testing period triggers income tax and a 10% penalty on the excess amount attributed to the rule.
Employer contributions deposited before separation do not need to be returned. Because HSA funds vest immediately upon deposit, any employer match or seed contribution made up to the date of separation is permanently the employee's property — a rule codified in the same statute that governs individual ownership.
References
- 26 U.S.C. § 223 — Health Savings Accounts (Cornell Law School / LII)
- IRS Publication 969 — Health Savings Accounts and Other Tax-Favored Health Plans
- IRS Rev. Proc. 2023-23 — 2024 HSA Contribution Limits and HDHP Thresholds
- IRS Revenue Ruling 2004-45 — HSA Rollover Rules
- U.S. Department of the Treasury — Health Savings Accounts Overview
The law belongs to the people. Georgia v. Public.Resource.Org, 590 U.S. (2020)