Key Takeaways
- 401(k) loans are only available through certain employer-sponsored plans; IRAs generally do not allow borrowing.
- Loan limits are typically the lesser of $50,000 or 50% of your vested balance.
- Interest paid on the loan goes back into your own account, but missed repayments can trigger taxes and penalties.
- This option may make sense for short-term needs when income is stable and other borrowing options are more expensive.
- Practice owners and associates face different risks, especially around income variability and employment changes.
- Borrowing from retirement savings should be evaluated alongside other financing options, not in isolation.
- The decision should align with your broader financial plan, not just an immediate cash need.
When a large expense comes up, such as home renovations, tuition, consolidating high-interest debt, or even a temporary cash need, many dentists start evaluating their financing options. Bank loans, lines of credit, and personal savings are often part of that conversation. Another option to consider is borrowing from retirement savings.
Used thoughtfully, a retirement plan loan can be a tool worth understanding. Like any option, it has trade-offs, and whether it makes sense depends on your role (practice owner vs. associate), cash flow stability, and long-term goals.
This post walks through how it works, who it may be appropriate for, and what to keep in mind before deciding.
First, an important distinction: 401(k) loans vs. IRAs
Only certain employer-sponsored retirement plans, such as many 401(k) s, allow participant loans. Whether a loan is permitted depends entirely on the plan document.
IRAs generally do not allow loans. Money taken from an IRA is typically treated as a distribution, not a loan, and different tax rules apply. Because of that, most of the discussion below focuses on 401(k) plans, including solo 401(k)s commonly used by practice owners.
How a 401(k) loan typically works
If your plan allows loans, you may be able to borrow:
- Up to $50,000, or
- 50% of your vested account balance, whichever is less
Repayment is usually required within five years, though some plans allow longer terms if the funds are used to purchase a primary residence. Payments are made on a set schedule, often through payroll deductions, and include interest that is credited back to your own account.
There is no credit check, and approval is based on plan rules rather than lender underwriting.
Why some dentists consider this option
For both owners and associates, a 401(k) loan may be a good idea when:
- Cash is needed for a defined, near-term purpose
- Other borrowing options carry significantly higher interest rates
- The borrower has stable, predictable income to support repayment
- The goal is to avoid taking on new external debt
For practice owners, this can sometimes function as a short-term liquidity bridge, especially when income timing is uneven. For associates, payroll-based repayment can feel straightforward and manageable.
Differences to consider: owners vs. associates
Practice owners
- Often have more control over income timing, but also more variability
- May be using a solo 401(k), where plan design decisions matter
- Should consider how loan repayments interact with practice cash flow, especially during slower collection periods
Associates/employees
- Typically repay through payroll deductions
- Should understand what happens if employment changes
- May have less flexibility if income drops or hours change
In both cases, it’s worth reviewing what happens under your specific plan if repayment is interrupted or employment status changes.
What happens if repayment doesn’t go as planned
If loan payments stop or fall outside the plan’s rules, the remaining balance may be treated as a taxable distribution. If you are under the age of 59½, additional taxes may apply.
This isn’t meant as a warning; it’s simply part of understanding the structure. Many dentists successfully repay 401(k) loans without issue, particularly when the loan amount is conservative, and repayment fits comfortably within their budget.
How this compares to other funding options
A retirement plan loan is best viewed alongside alternatives such as:
- Home equity lines of credit
- Practice or personal loans
- Credit cards (generally higher cost)
- Using non-retirement savings
Each option affects cash flow, risk, and long-term planning differently. A 401(k) loan is not inherently “good” or “bad,” it’s simply one tool with its own set of trade-offs.
A thoughtful way to approach the decision
Before moving forward, it helps to ask:
- Does my retirement plan allow loans, and under what terms?
- Is the loan amount modest relative to my total retirement savings?
- Can I repay comfortably without stressing household or practice cash flow?
- How would this affect my long-term retirement strategy?
- Is there another funding option that better aligns with my goals?
Borrowing from a 401(k) can be a practical option in the right circumstances, especially for dentists with stable income and a clear repayment plan. It’s not a solution for every situation, and it’s rarely the only option worth considering.
Whether you’re a practice owner or an associate, the key is understanding how the mechanics work and how this choice fits into your broader financial picture. That’s where having a conversation, before making a move, can make all the difference.
If you’d like help evaluating whether a retirement plan loan fits into your overall plan, or how it compares to other options available to you, we’re happy to walk through it with you.