Banks That Offer a HELOC to Build an Investment Portfolio

The Quick Read: A HELOC can help build an investment portfolio because it turns equity in a property you already own into cash for the next down payment, but the banks that offer one on a rental are fewer, the limits can be tighter, and the purchase lender still decides whether borrowed money counts. The line supplies cash only. A separate loan buys the property.

• A HELOC is not a purchase loan. It is a revolving line secured by a property you already own.
• On the wholesale network Lendmire works with, a line on an investment property caps at 70% CLTV and $500,000, with a 700 minimum credit score.
• The purchase lender sets its own rules on borrowed funds, and some programs accept a documented draw for the down payment but not for reserves.
• A DSCR loan on the new rental reads that property’s rent against its own full payment. The line’s payment usually stays out of that ratio but still comes out of your real cash flow.
• Get the purchase lender’s borrowed-funds answer before you open or draw the line.

What Does a HELOC Actually Do in a Portfolio Plan?

A HELOC gives you a pool of cash you can draw on and repay. It does not buy anything on its own. The line is secured by one property, and the cash goes into your account. You then use that cash as a down payment, closing costs, or rehab money on a separate purchase.

Investors reach for this tool because investment purchases usually need a bigger down payment than owner-occupied loans. A line against existing equity lets you avoid draining savings. Nasdaq and SmartAsset describe the same use and note that the lender checks your income and debts, and that defaulting on a line secured by your home puts that home at risk.

That last point is the real cost of the strategy. You are not just adding a rental. You are putting two loans against one rent stream, and one of them is secured by a property you already depend on.

Which Types of Banks Offer These Lines?

Large depository banks, regional banks, credit unions, online lenders, and mortgage brokers all touch this product, but each fits a different borrower. Lines on investment property are thinner than lines on a primary home. Benzinga notes that lenders may apply stricter terms when the line is meant for investment use, with lower limits and higher pricing than primary-residence lines.

Lendmire does not rank or recommend individual institutions. The right fit depends on the property, the credit profile, the leverage you need, and how you hold title. The table shows how the categories generally differ.

A broker answers a different question than a single bank does. A bank tells you whether it will lend. A broker that places files with several wholesale lenders can match the scenario to the program whose guidelines fit. The lenders that write investment-property lines depend on your state, property type, and credit profile.

What an Investment-Property Line Looks Like on the Wholesale Network

On an investment property, credit above the 700 minimum buys eligibility rather than leverage: a 720 profile and a 700 profile both reach the same 70% CLTV ceiling, and 700 is a hard floor with no tier beneath it. Everything below is subject to lender guidelines and full file review.

• Ceiling by occupancy. Primary-residence and second-home lines can reach 90% CLTV, and only at a 720 or better credit profile. Investment lines cap at 70% CLTV, with a maximum line of $500,000.
• Line size. Lines run from $25,000 to $750,000 (Michigan floor $10,000). Anything above $500,000 is primary-residence only and needs a full appraisal.
• Structure on investment property. The line is a standalone first or second lien with a 5-year interest-only draw and a 25-year fully amortizing repayment. At least 75% of the line is drawn at closing. Pricing floats during both periods and never converts to fixed.
• Valuation. A line at or below $500,000 ordinarily uses an automated valuation instead of a traditional appraisal. A borrower can still ask for a full appraisal.
• DTI. The maximum is 50%, tested on the interest-only payment at the maximum draw. Because the line is an equity product that counts personal income, DTI applies here even though it does not apply to DSCR loans.
• Property types. Single-family, 2-4 units, PUD, townhome, and condominium, including non-warrantable condos, are eligible. Manufactured homes, co-ops, condotels, log homes, commercial, mixed-use, and agricultural zoning are not offered.
• Exposure. A borrower is limited to three lines, and anyone with more than 15 financed properties is not eligible.
• Availability. These lines are offered only in Lendmire’s 16 full-service states: AL, CA, CO, FL, GA, IN, MI, MT, NM, NC, OH, PA, TN, TX, VA, and WA. That is narrower than the 41-market DSCR footprint, which covers 40 states plus Washington, D.C.

One structural point catches many portfolio investors. Title must sit with an individual borrower or a revocable living trust. LLCs, corporations, partnerships, and irrevocable, blind, or land trusts cannot hold title on the line. A property already deeded to an LLC needs a vesting change or a DSCR cash-out instead. DSCR loans to LLC-titled borrowers are available subject to lender program eligibility.

Payments on these lines move with a market index. The CFPB’s HELOC booklet says these lines typically carry variable pricing, with disclosures covering the draw and repayment periods. The CFPB’s HELOC overview gives a 10-year draw period as a common example and says some plans let you convert part of the balance to a fixed payment. The network’s investment line floats throughout and does not convert, so that option is not part of this structure.

How Underwriting Treats the Draw, Step by Step

Underwriting reads the line and the purchase loan as two separate files. The steps below follow the order the money actually moves.

1. Pick the collateral. The line is sized on the combined loan-to-value of the property that secures it, not the property you plan to buy. That property can be your primary home, a second home, or an existing rental, and the CLTV ceiling depends on which one it is.

2. Qualify and close the line first. The cash must be in your account before you make an offer. The line lender reviews credit, income, and debts, and the investment-property tier applies a 70% CLTV ceiling.

3. Draw the money and season it. Most purchase lenders want the draw documented through bank statements with a clear paper trail from the line to your account. Draw a lump sum and let it sit in your account instead of moving it through several accounts.

4. Run the purchase loan. For a DSCR purchase, the lender divides the target property’s monthly rent by its full monthly payment (principal, interest, taxes, insurance, and any HOA dues). The purchase lender sets its own leverage, credit, and reserve rules and decides how it treats borrowed funds.

5. Carry both loans. The line’s payment usually does not enter the new property’s coverage ratio. It still comes out of your real cash flow every month, and the interest-only draw period on the line ends on a schedule.

Four things decide whether the plan holds together: how much equity remains after the draw, whether the purchase lender accepts borrowed funds for each pot (down payment, closing costs, reserves), whether rent covers the new loan, and whether you can carry the line’s payment from your own cash flow.

Where the General Rule Breaks

The general rule is that a line funds the down payment and the purchase loan does the rest. These cases bend it.

Borrowed funds are program-specific. Some DSCR programs accept a documented draw, some cap the borrowed share, and some require part of the down payment to come from unborrowed funds. A program can accept borrowed money for the down payment and still require reserves from your own savings. Ask which pot the draw is allowed to fill.

A DSCR file and a personal-income file treat the line differently. On loans that count personal income, the line’s minimum payment counts as debt in your DTI. DSCR loans do not run DTI. They qualify primarily on property-level rental income covering the payment, subject to lender guidelines.

There is no true zero-down DSCR purchase. Most DSCR purchases land at 75%-80% LTV, which means 20%-25% down. Select programs reach 85% LTV on a purchase, which is 15% down, typically with a score around 700 or better. A fully borrowed down payment does not remove the purchase lender’s leverage cap, credit floor, or reserve rule.

The ratio is not cash flow. Clearing 1.00 means rent covers the property’s payment. It does not account for repairs, vacancy, management, utilities, or capital expenses. A rental can clear 1.00 and still lose money. Coverage of 1.00 is where select programs start, not a standard. A separate select-lender path takes coverage below 1.00, with leverage and terms adjusted.

The draw period ends. SuperMoney flags the end of an interest-only draw as a main risk, because the payment steps up. Plan to pay the line down or refinance before that date, not after.

The wrong collateral. A line is the wrong tool if title sits in an LLC, if the line will outlive your plan, or if the purchase lender refuses borrowed funds.

Key Terms Defined

HELOC: A revolving line of credit secured by the equity in a property you own.

CLTV: Combined loan-to-value, which adds every loan against a property and divides by its value.

Draw period: The stretch when you can borrow from the line, often with interest-only payments.

DSCR: Debt service coverage ratio, which divides a property’s monthly rent by its full monthly payment (PITIA).

PITIA: Principal, interest, taxes, insurance, and any association dues on a property.

Seasoning: How long funds sit in your account before a lender treats them as your own.

The Decision in Practice: HELOC or DSCR Cash-Out?

The decision comes down to which property carries the debt and whether you want the money to stay revolving. A HELOC keeps a line open for repeated draws. A cash-out refinance pays one lump sum against a rental and resets its loan.

On a DSCR cash-out, standard rentals top out around 75% LTV, and about 6 months of seasoning is the common expectation. A 70% ceiling applies when the collateral is a short-term rental. Reserves vary by lender, leverage, and loan size, and commonly sit around 6 months of PITIA. Credit expectations also differ: a 620 floor exists in parts of the network, most programs want around 660, and 700 or better opens the strongest tiers.

For the purchase side, the complete DSCR loans guide covers leverage, coverage, and reserves. Another Lendmire article covers banks that offer an investment property HELOC for investors building a portfolio.

Before you draw anything, get the purchase lender’s borrowed-funds answer in writing. Then check that you can carry the line’s payment from your own cash flow if the new rental sits empty.

Next Step

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. Lendmire is a mortgage broker that arranges financing through select lenders in its wholesale network. It is not the lender, and every figure above is subject to lender guidelines and full file review. Not a commitment to lend.

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. Nasdaq/SmartAsset – HELOC for a down payment

2. Benzinga – HELOCs on investment properties

3. CFPB – What You Should Know About HELOCs booklet

4. The CFPB’s HELOC overview

5. SuperMoney – HELOC for investment property