HELOC Options to Buy a Rental Using Home Equity and Mutual Funds

The Quick Read: A home equity line supplies cash. It does not buy the rental. A separate purchase loan or an all-cash closing does that, and the purchase lender decides what borrowed money it will accept.

• A line on your primary home is the most common source of down payment cash.
• Mutual funds can be sold, or pledged as collateral for a securities-backed line.
• A line secured by an investment property is a different, tighter product than one on your home.
• The rental still has to carry its own loan, so two debts now compete for your cash flow.
• Ask the purchase lender about borrowed funds before you draw anything.

The honest framing: you are choosing among sources of cash, then choosing a loan to buy the property. Treat those as two separate decisions.

Key Terms Defined

HELOC: A revolving line of credit secured by the equity in a property, which is its value minus what is owed on it.

CLTV: Combined loan-to-value, meaning all loans secured by the property added together and divided by its value.

Securities-backed line of credit (SBLOC): A revolving line secured by stocks, bonds, or mutual funds in a non-retirement investment account.

Source of funds: The documented origin of your down payment and closing cash.

Seasoning: The length of time money has sat in your account before it is used.

DSCR: The ratio of a rental’s income to its monthly housing payment: principal, interest, taxes, insurance, and any association dues.

What Are Your Options for Raising Cash?

There are three main routes: a line on your home, a line on an existing rental, or a line against mutual funds. Selling the funds outright is a fourth path. Each carries a different risk, and each fits a different borrower.

A HELOC is open-end credit. You borrow repeatedly against home equity during a draw period, then repay during a longer repayment period. The CFPB notes that if you fall behind, you could lose the home. That is the core risk of using a primary-home line for an investment.

How Does a HELOC Fit Into Buying a Rental?

The line pays for the down payment and closing costs. The purchase loan covers the rest. Most investors use the line as bridge capital, then pay it down or refinance later.

Here is how that sequence usually works:

1. Open the line before you shop for the rental.

2. Draw the funds into your own account, not straight to the closing table.

3. Keep statements showing the draw and the deposit.

4. Close on the rental with a separate purchase loan.

5. Pay the line down, or refinance it, once the rental is stable.

The home equity lender typically never looks at the rental. The purchase lender never appraises your home. They only meet at the source-of-funds review. Across our wholesale network, most programs that place investor files accept documented HELOC proceeds as a down payment source. Some cap the borrowed share. The strictest overlays want part of the down payment to be unborrowed cash. A plan funded 100% with borrowed money can fail on that point alone.

Which Equity Lines Work for Investment Property?

On Lendmire’s network, an equity line on an investment property tops out at 70% CLTV, with a 700 credit score minimum and a maximum line of $500,000. Both the 700 and 720 tiers reach the same 70% ceiling, so a higher score above 700 buys eligibility, not extra leverage. Lines run a 5-year interest-only draw and a 25-year repayment. Pricing floats and never converts to fixed. At least 75% of the line is drawn at closing. Final terms depend on lender guidelines, property type, leverage, and the borrower’s complete credit picture.

A line on your primary home reaches further. Primary-residence and second-home lines can reach 90% CLTV, but only with a credit profile of 720 or better. Lines above $500,000 are primary-residence only. They need a credit profile of 700 or better (720 on the longer-runway structure, which is the 5-year draw program), cap at 75% CLTV, and require a full appraisal. Line size generally runs from $25,000 to $750,000.

A few structural points matter for investors:

• Lines at or below $500,000 ordinarily use an automated valuation, with no traditional appraisal, though a higher CLTV may call for a second valuation.
• The line is held in your name or in a revocable living trust. LLCs, corporations, partnerships, and land trusts cannot hold title. That is the sharpest difference from a DSCR loan.
• Personal debt-to-income caps at 50%, and a ratio above 45% requires a 680 minimum. The line is qualified on the interest-only payment at the maximum draw.
• Manufactured homes, co-ops, condotels, log homes, and commercial or mixed-use property are not eligible.
• A borrower is limited to three lines, and owning more than 15 financed properties makes a borrower ineligible.

These lines are available only in Lendmire’s 16 full-service states, which is narrower than its 41-market DSCR footprint. Every figure is subject to lender guidelines and full file review.

How Do Mutual Funds Work as a Source?

You have two choices: sell the funds, or borrow against them. Selling gives you clean cash but may trigger capital gains tax. Borrowing keeps the portfolio intact and defers that tax, but it adds risk.

An SBLOC is a revolving line secured by securities in your investment accounts. The SEC explains that eligible collateral generally includes stocks, bonds, and mutual funds, and that the limit comes from an advance rate applied to those holdings. The SEC also notes that proceeds can finance things like real estate purchases.

The catch is the maintenance call. If your collateral drops in value, you must post more collateral or repay, often within a few days. The firm can sell your securities if you cannot. That matters for a rental purchase, because a market drop can arrive at the same moment rents soften or refinance options tighten.

Three more limits apply:

• Bank-issued SBLOCs are typically non-purpose. Schwab explains that proceeds cannot buy securities or sit in a brokerage account. Buying real estate is a standard example use.
• Retirement accounts cannot serve as collateral, per Wells Fargo Advisors.
• A margin loan is a different product. It can buy securities, and it is a poor fit for funding a rental.

Whether a purchase lender treats SBLOC proceeds the same as HELOC proceeds varies by lender. Ask first.

Sell or Borrow Against the Funds?

It depends on your tax position, your risk tolerance, and how long you need the money. Selling is simpler and carries no collateral risk. Borrowing preserves the holding but adds a callable debt.

Selling often wins when the gain is small or the fund is a poor holding anyway. Borrowing tends to win when the gain is large and you can absorb a market drop without being forced to sell. A third path is to keep the funds as post-closing reserves rather than liquidating them at all. Many programs weigh reserves separately from down payment, and borrowed money is often excluded from reserves.

Will the Purchase Lender Accept This Money?

Usually yes for documented HELOC proceeds, with limits. The purchase lender reviews where the down payment came from, and it is a separate test from the rental’s coverage.

On a DSCR purchase, most files land at 75% to 80% LTV, meaning 20% to 25% down. Select programs reach 85% LTV with roughly a 700 score. Qualification runs primarily on property-level rental income covering the payment, subject to lender guidelines. Many programs start at a coverage floor of 1.00. A separate select-lender path goes below 1.00, with leverage and terms adjusted. Coverage is not the same as cash flow. It compares rent to the housing payment only, so repairs, vacancy, management, and capital costs sit outside it.

The source-of-funds review still applies. Expect the lender to ask for the draw statement and proof the money landed in your account or your entity’s account. Reserves are commonly around 6 months of the housing payment, varying with leverage, loan size, and transaction type, and loans above $1,500,000 typically step up. Strong files clear both tests: enough equity for the down payment, and enough rental coverage for the loan.

The line’s own payment usually sits outside the DSCR calculation. It still matters to your real cash flow. For a deeper walkthrough of how program rules fit together, see Lendmire’s complete DSCR loans guide.

What Does the Investor Decision Look Like?

Three profiles show how the choice tends to split.

Picture an investor with substantial primary-home equity and no investment portfolio. A line on the home is the natural source. The rental purchase loan covers the rest, and the line gets paid down from rental income or a later refinance.

Consider an investor with a large, appreciated mutual fund account and a modest mortgage balance. An SBLOC avoids a tax bill, but a market drop could force a sale at the worst moment. Selling a portion, and borrowing only a small amount, can balance the two.

Say you own a rental already and want to use its equity. A line on the rental is possible but sits at the 70% CLTV investment ceiling, with a 700 credit minimum, and the property must be titled in your own name or a revocable trust. If the rental sits in an LLC, a DSCR cash-out refinance may be the better route.

Where Does the Rule Break?

Several edge cases catch investors off guard.

• You cannot open a line on a property you have not bought. The collateral must already be yours.
• Existing line terms may bar renting. The CFPB’s HELOC brochure notes that a plan may prohibit renting out the home. That matters if your current home later becomes a rental.
• Selling the home generally requires paying off the line. Plan for that before you sell.
• The draw-period cliff. A typical line runs a draw period and then a longer repayment period. The payment can jump at the transition. Investment lines here follow a 5-year draw and 25-year repayment, so the step-up is built in from day one.
• Collateral values can change. An SBLOC lender can adjust loan values, which may put a line out of compliance.
• Two debts, two obligations. The rental must carry its own loan, and the borrowed down payment must be serviced from other cash flow.

Stress-test before you commit. Model a rent drop, a vacancy stretch, and a rise in the line’s payment all at once. If the plan only works in the good case, the structure is too thin.

Tax treatment can depend on how the funds are used and how the property is held; borrowers should keep clear records and speak with a qualified tax professional before relying on any deduction.

Which Option Fits You?

• Thin equity, no portfolio: a larger down payment is out of reach. Consider a lower-leverage purchase or a different property.
• Strong home equity, traditional employment income: a primary-home line plus a DSCR purchase is the common pairing.
• Large portfolio, low tax basis: an SBLOC may beat selling, if you can survive a collateral call.
• Rental held in an LLC: an equity line cannot use that property. Look at a DSCR cash-out instead.
• No existing equity at all: a DSCR purchase with a conventional down payment is the cleaner path.

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. Not a commitment to lend.

About Lendmire

Lendmire — NMLS# 2371349 — is a mortgage broker that arranges home equity lines of credit in its 16 full-service states through wholesale lenders, on primary residences, second homes and investment properties. Every line is subject to the lender’s guidelines and full underwriting. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.

Investors who want the broader program framework can review how DSCR loans work.

References

1. CFPB

2. SEC Investor Alert: Securities-Backed Lines of Credit

3. Schwab: 3 Ways to Borrow Against Your Assets

4. Wells Fargo Advisors: Securities-Based Lending