Should You Borrow From Your 401(k) Instead of a HELOC?

The Quick Read: Usually no: for most rental investors a HELOC is the safer tool, because it puts a property at risk instead of your retirement savings and your job-linked tax exposure, and it can run well past the ceiling on a 401(k) loan. A 401(k) loan wins only when the amount is small, your job is secure, and your plan allows loans. Neither one replaces a real down-payment plan on a rental.

• A 401(k) loan is capped at the lesser of 50% of your vested balance or $50,000, and IRAs, SEPs, and SIMPLEs cannot offer one at all.
• A HELOC on an investment property is a narrower product than most investors expect: through Lendmire’s wholesale network it tops out at 70% CLTV, with a 700 minimum credit profile and a $500,000 maximum line.
• A 401(k) loan has no collateral and no credit pull, but leaving your job can turn the balance into a taxable event.
• A DSCR loan is underwritten to the property’s rent, so neither payment enters the ratio. Both still come out of your real cash flow.
• If neither tool fits, a DSCR cash-out or your own cash may be the cleaner route.

Key Terms Defined

Vested balance: the part of your 401(k) that belongs to you outright, meaning your own deferrals plus any employer money you have fully earned.

CLTV (combined loan-to-value): all loans against a property added together, divided by the property’s value.

Deemed distribution: what the plan treats as a withdrawal when a loan goes into default while you are still employed. It is taxable and cannot be rolled over.

Plan loan offset: what happens when you leave a job with a loan open and the plan cancels the balance against your account.

DSCR (debt service coverage ratio): the property’s monthly rent divided by its monthly PITIA.

PITIA: principal, interest, taxes, insurance, and any association dues, all rolled into one monthly obligation.

Seasoning: the waiting period a lender wants between two events, such as buying a property and then cashing out.

How a 401(k) Loan Works

A 401(k) loan lets you borrow from your own vested balance and repay it through payroll deduction. Federal plan-loan rules do not require a plan to offer loans. Profit-sharing, 401(k), 403(b), and 457(b) plans may offer them. Your plan document decides, so start with the Summary Plan Description or a call to the plan administrator.

The size limit is the lesser of 50% of your vested balance or $50,000. A vested balance of $80,000 caps the loan at $40,000. A vested balance of $140,000 hits the $50,000 ceiling. Some plans also allow borrowing up to $10,000 even when 50% of the balance is lower, but that exception is the plan’s choice.

Two details catch people. First, the $50,000 limit shrinks if you had a loan outstanding in the prior twelve months. Second, the repayment term is five years, with level payments made at least quarterly. The longer term exists only when the money buys your main home, as the participant guidance explains. A rental purchase does not qualify.

Some plans cap the number of loans or require spousal consent. Solo 401(k) owners can borrow only if their plan document contains loan provisions.

One popular belief deserves correction. The interest you pay goes back into your own account, but that is not a return. You are both payer and payee, and the borrowed money stops being invested while the loan is open. The real cost is the growth you give up.

How a HELOC on a Rental Works Through Lendmire’s Network

A HELOC is a standalone line of credit secured by a property, in first or second lien position. Lendmire is a broker, so it places these files with select wholesale partners. The ceilings depend on how you occupy the property.

• Investment property: 70% CLTV maximum, a 700 minimum credit profile, and a $500,000 maximum line.
• Primary residence: the ceiling reaches 90% CLTV, but only at a 720-or-better credit profile and up to $500,000. Other credit tiers sit lower, such as 85% at 700 and 80% at 640.
• Second home: 90% CLTV again requires 720 or better, with lines up to $500,000.

Investment lines run a five-year interest-only draw followed by a 25-year repayment. The payment floats through both phases and never converts to fixed. At least 75% of the line is drawn at closing. Lines of $500,000 or less ordinarily use an automated valuation instead of a full appraisal.

Title is the sharpest limit for investors. The borrower must be an individual or a revocable living trust. LLCs cannot hold title on a HELOC. A property already deeded to an LLC needs a vesting change, or a DSCR cash-out instead. Lines are available only in Lendmire’s 16 full-service states, which is narrower than its DSCR footprint of 41 markets, Washington, D.C. included.

One local bank described in an investor forum thread offers up to 70% LTV on investment-property lines. That is a single bank’s market figure. In this network, an investment line stops at 70% CLTV. Exact terms depend on the lender’s guidelines, property type, leverage, and a full review of the borrower’s file.

Every figure here is a guideline range, subject to lender guidelines and full file review. Programs change. This is not a commitment to lend.

401(k) Loan vs HELOC Side by Side

What Can Go Wrong With Each Route

The 401(k) route has an employment trigger. If you leave a job with a loan open, the plan typically offsets the balance against your account. That offset is taxable unless you roll it over. The good news is the deadline. A qualifying plan loan offset can be rolled over until your tax-return due date, extensions included, as Sidley Austin’s analysis of the final rules explains. The old 60-day belief is outdated for these offsets. You still have to fund the rollover with outside cash, because you already spent the loan proceeds.

Missed payments while you are still employed are different. That is a deemed distribution. Depending on your age, penalties can apply. Your plan may offer a short cure period, so read the plan document before you assume anything.

Two more costs sit quietly in the background. Contributions and any employer match may pause under some plans. Also, the retirement money leaves the market while the loan is outstanding. Tax treatment can depend on how the funds are used and how the property is held; investors should keep clear records and speak with a qualified tax professional before relying on any deduction.

The HELOC route has its own list. The payment floats, and principal payments begin when the draw period ends. A practitioner thread on HELOC down payments warns that HELOCs are not permanent financing, pointing to the maturity and the adjustable payment. If a HELOC funds an entire purchase, you also have no equity cushion when values fall. The collateral is a property you own, so a missed payment puts the home or the rental itself in play.

Which risk would you rather carry? Households with one income or dependents often prefer risking a property over risking retirement savings and a job-linked tax bill. Investors close to retirement may feel the opposite, because a drawn line has to be repaid on its own schedule.

Does Borrowed Money Hurt a DSCR File?

A DSCR loan is reviewed primarily on property-level rental income covering the payment, subject to lender guidelines. Your 401(k) loan payment and your HELOC payment generally do not enter that ratio. That is the good news.

The catch is that the ratio is narrow. It compares rent to PITIA only. Repairs, vacancy, management, utilities, and capital expenses sit outside it. Clearing a 1.00 coverage level does not mean the property produces positive cash flow, and a second payment from borrowed money still comes out of your pocket every month.

The real question is whether the lender accepts borrowed funds as down payment or reserves. Across the wholesale network, treatment varies by lender. Some accept them, some cap the share that can be borrowed, and some want part of the cash to be unborrowed. Down payment and reserves are separate tests. Whether a given program treats a 401(k) loan the same as a HELOC draw is program-specific, so confirm before you borrow. Expect to document the source of funds, the loan or draw confirmation, and the cash landing in your account.

When the 401(k) Loan Is the Better Fit

A 401(k) loan makes sense only when most of these are true:

• Your plan allows loans and your vested balance supports the amount you need.
• The amount is modest, because the ceiling is $50,000 at most.
• Your job is stable and you do not expect to leave soon.
• You do not want a credit pull or a lien on any property.
• You have confirmed the DSCR lender will accept the funds.

A HELOC is the better fit when you have real equity, you need more than $50,000, and you can carry a floating payment. Remember the limits, though. On an investment property you need a 700 credit profile, and you are held to 70% CLTV. Many investors place the line on their primary residence instead. Then the ceiling depends on the credit tier, reaching 90% CLTV only at 720 or better.

For a deeper look at leaving a HELOC behind, Lendmire’s piece Should a Large Draw Push You From a Bank Statement HELOC to Cash-Out? covers that decision.

Three Quick Scenarios

Consider an investor with a secure job, a plan that allows loans, and a small gap to close on a down payment. The 401(k) loan can work here if the DSCR lender accepts it. A HELOC against a primary residence is the alternative, which trades retirement risk for property risk.

Picture an investor whose retirement savings sit entirely in an SEP or an IRA. No 401(k)-style loan exists for that person. The choices are a HELOC, a DSCR cash-out on existing equity, or cash.

Say you own a rental inside an LLC and want a HELOC against it. The line cannot be placed while the LLC holds title. You would need a vesting change, or you could use a DSCR cash-out instead. DSCR loans to LLC-titled borrowers are available subject to lender program eligibility.

When Neither Tool Fits

If you are buying, most DSCR purchase files land at 75% to 80% LTV, which means 20% to 25% down. Select programs reach 85% LTV on a purchase with roughly a 700 or better score. A larger down payment lowers the payment and can lift coverage. It never erases leverage caps, credit floors, reserve rules, or property eligibility. The strongest files clear both tests: enough equity and enough rental coverage. Every figure here varies by lender and program — guidelines, property type, leverage, and credit profile all apply.

If you already own the property, a DSCR cash-out refinance tops out around 75% LTV across most of the network. About six months of seasoning is the common expectation. Coverage of 1.00 is where many select programs start. A separate select-lender path takes coverage below 1.00, with leverage and terms adjusted. Stronger ratios open better pricing and leverage. Final terms depend on lender guidelines, property type, leverage, and the borrower’s complete credit picture.

Credit works in tiers. A 620 floor exists in parts of the network, most programs want around 660, and 700 or better unlocks the strongest tiers. Reserves vary by lender, leverage, loan size, and transaction type. Around six months of PITIA is common, and larger loans typically step up from there.

For a side-by-side with the other equity tools, see Lendmire’s comparison of a HELOC and a cash-out refinance on a rental. The complete DSCR loans guide covers qualification from the ground up.

Questions to Ask Before You Borrow

Ask your plan administrator:

• Does the plan allow loans, and how many at once?
• What is the vested balance, and does an earlier loan reduce the limit?
• Is spousal consent needed, and what fees apply?
• What happens to the balance if I leave the company?

Ask your lender:

• Do you accept borrowed funds for the down payment, for reserves, or for both?
• Is there a cap on the borrowed share?
• Which documents prove the source of the money?

If you are considering a home equity line and want to see how the numbers work, Lendmire can help you compare HELOC options based on the property, the equity available, credit profile, combined leverage, and your goals.

About Lendmire

Lendmire, NMLS# 2371349, is a mortgage brokerage that arranges home equity lines of credit through wholesale lending partners in its 16 full-service states. Lines on primary residences, second homes and investment properties are each reviewed individually by the lender under the program’s occupancy, credit and combined-loan-to-value guidelines. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.

References

1. IRS – Retirement Topics: Loans

2. IRS – 401(k) Resource Guide, General Distribution Rules

3. BiggerPockets – HELOC on investment property

4. Sidley Austin – Final Rules on Rollovers of Qualified Plan Loan Offsets

5. BiggerPockets – Using HELOC for down payment or full purchase