Key Takeaways
- A 401(k) plan may permit loans, but it does not have to offer them.
- A compliant loan differs from a taxable withdrawal; default can change the tax result.
- Job-change repayment terms and tax rollover deadlines are different questions.
Start with your plan’s loan document
A 401(k) balance is retirement money, not an unrestricted bank account. IRS guidance says a qualified plan may allow loans but is not required to. Ask the administrator whether you are eligible, what the plan permits and what fees, interest and repayment method apply.
Do not assume you can borrow half your account or $50,000 in every case. Federal limits involve vested balances, an optional small-balance provision and adjustments for prior outstanding loans; the plan can impose lower limits. Ask the administrator to calculate your available amount in writing.
Understand repayment and default
The IRS says plan loans generally require substantially equal principal-and-interest payments at least quarterly and repayment within five years. A loan used to purchase a principal residence can qualify for a longer term. Other limited exceptions can apply.
A loan that meets the rules is not initially a taxable distribution. A default can produce a deemed distribution of the outstanding balance, with income tax and potentially an additional early-distribution tax. Loan repayments are not plan contributions, and a deemed distribution is not eligible for rollover.
What if you leave your job?
Read the plan’s terms before assuming either immediate repayment or an automatic grace period. The old blanket claim that all borrowers have 60–90 days is not a reliable rule.
If the plan reduces your account by an unpaid balance, that is a loan offset, which differs from a deemed distribution. IRS guidance explains that certain offsets caused by plan termination or severance from employment can have a rollover deadline tied to the federal tax-return due date, including extensions, for the offset year. This tax deadline is not an extension of every plan’s loan repayment deadline. Ask the administrator and a qualified tax professional which rules apply.
Compare the retirement tradeoff
Review the payment’s effect on your paycheck, ongoing contributions, any employer match and retirement investments. Interest credited to your account does not remove fees, tax risks or the effect of moving money out of investments; investment returns are uncertain.
Compare alternatives using total costs and consequences. A plan loan is neither automatically safe nor always inappropriate, and this guide does not recommend it for an individual situation.
Sources and review limits
IRS retirement-plan loan FAQs (current page checked; general guidance, not individual tax advice). General education; eligibility, costs and legal or tax outcomes depend on the applicable terms and your circumstances.
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Review your 401(k) contributions and match and compare borrowing alternatives.
