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The Economics of Borrowing from Your 401(k)

When times are tough, that pool of dollars sitting in your 401(k) plan account may start to look attractive. But...

borrowing from your 401k Gretchen Stangier Certified Financial Planner Portland Oregon blog

When times are tough, that pool of dollars sitting in your 401(k) plan account may start to look attractive. But before you decide to take a plan loan, be sure you understand the financial impact. It’s not as simple as you think.

The basics of borrowing

A 401(k) plan will usually let you borrow as much as 50% of your vested account balance, up to $50,000. (Plans aren’t required to let you borrow, and may impose various restrictions, so check with your plan administrator.) You pay the loan back, with interest, from your paycheck. Most plan loans carry a favorable interest rate, usually prime plus one or two percentage points. Generally, you have up to five years to repay your loan, longer if you use the loan to purchase your principal residence. Many plans let you apply for a loan online, making the process quick and easy.

You pay the interest to yourself, but…

When you make payments of principal and interest on the loan, the plan generally deposits those payments back into your individual plan account (in accordance with your latest investment direction). This means that you’re not only receiving back your loan principal, but you’re also paying the loan interest to yourself instead of to a financial institution. However, the benefits of paying interest to yourself are somewhat illusory.

Here’s why:

To pay interest on a plan loan, you first need to earn money and pay income tax on those earnings. With what’s left over after taxes, you pay the interest on your loan. That interest is treated as taxable earnings in your 401(k) plan account. When you later withdraw those dollars from the plan (at retirement, for example), they’re taxed again because plan distributions are treated as taxable income. In effect, you’re paying income tax twice on the funds you use to pay interest on the loan. (If you’re borrowing from a Roth 401(k) account, the interest won’t be taxed when paid out if your distribution is “qualified”–i.e., it’s been at least 5 years since you made your first Roth contribution to the plan, and you’re at least 59½ years old or disabled.)

…consider the opportunity cost

When you take a loan from your 401(k) plan, the funds you borrow are removed from your plan account until you repay the loan. While removed from your account, the funds aren’t continuing to grow tax deferred within the plan. So the economics of a plan loan depend in part on how much those borrowed funds would have earned if they were still inside the plan, compared to the amount of interest you’re paying yourself. This is known as the opportunity cost of a plan loan, because by borrowing you may miss out on the opportunity for additional tax-deferred investment earnings.

Other  factors

There are other factors to think about before borrowing from your 401(k) plan. If you take a loan, will you be able to afford to pay it back and continue to contribute to the plan at the same time? If not, borrowing may be a bad idea in the long run, especially if you’ll wind up losing your employer’s matching contribution.

Also, if you leave your job, most plans provide that your loan becomes immediately payable. If you don’t have the funds to pay it off, the outstanding balance will be taxed as if you received a distribution from the plan, and if you’re not yet 59½ years old, a 10% early payment penalty may also apply to the taxable portion of that “deemed distribution.”

Still, plan loans may make sense in certain cases (for example, to pay off high-interest credit card debt or to purchase a home). But make sure you compare the cost of borrowing from your plan with other financing options, including loans from banks, credit unions, friends, and family. To do an adequate comparison, you should consider:

  • Interest rates applicable to each alternative
  • Whether the interest will be tax deductible (for example, interest paid on home equity loans is usually deductible, but interest on a plan loan usually isn’t)
  • The amount of investment earnings you may miss out on by removing funds from your 401(k) plan 

DISCLOSURE: Investment advisory services are offered through Gretchen Stangier, Inc. DBA Stangier Wealth Management (“Stangier Wealth Management”), an investment advisor registered with the U.S. Securities and Exchange Commission. Stangier Wealth Management only offers investment advisory services where it is appropriately registered or exempt from registration and only after clients have entered into an investment advisory agreement confirming the terms of engagement and have been provided copies of the firm’s ADV Part 2A brochure and Part 3 documents.

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