How Much Can You Borrow on an Investment Property HELOC to Take Equity Out?

The Quick Read: Usually up to 70% combined loan-to-value on an investment property, minus every lien already on it, and never more than a $500,000 line through select lenders in Lendmire’s wholesale network, with a $25,000 minimum line and a 700 credit score floor, subject to lender guidelines. The smaller of the percentage cap and the dollar cap controls your number. Your personal profile then has to support it, because rent does not qualify this product.

• The formula: property value × 70% combined cap − what you already owe = your room.
• The dollar limits: $25,000 minimum line, $500,000 maximum line on an investment property.
• The credit floor: 700, and a 720 score buys no extra leverage on a rental.
• The title rule: you hold title personally or in a revocable living trust. An LLC cannot hold title.
• The qualifier: personal credit, debt-to-income (DTI) of 50% or less, and equity. Not rental income.

How Is the Maximum Line Calculated?

Your maximum is the property’s value times the combined loan-to-value (CLTV) cap, minus every lien already recorded against it. Then the dollar cap applies. On an investment property in this network, the CLTV cap is 70% and the largest line is $500,000. Whichever result is smaller wins.

Here is the sequence a lender follows.

1. Value the property. On an investment line, the value usually comes from an automated valuation model, not a full appraisal.

2. Identify the existing liens. That means your first mortgage balance, which counts against the cap before the new line is added.

3. Apply the 70% cap. Take 70% of value and subtract your existing mortgage balance. The remainder is the most the new line can be, because the new line counts as a lien too.

4. Apply the dollar cap. If step three gives you more than $500,000, the line stops at $500,000.

5. Check the floor. If step three gives you less than $25,000, there is no line to offer.

6. Qualify you. Personal credit, DTI, and housing history all have to clear.

That is the whole mechanism. Everything else here is a variation on one of those six steps.

Key Terms Defined

Equity is the property’s value minus what you owe on it. If a rental is worth more than the mortgage against it, the gap is your equity.

Combined loan-to-value (CLTV) is your first mortgage plus the new line, divided by the property’s value. It tells the lender how much of the property is already spoken for.

Lien is a lender’s legal claim on the property. A first mortgage is a lien, and so is a home equity line.

Draw period is the stretch when you can pull money from the line. After it ends, the line moves into repayment.

Automated valuation is a computer estimate of a property’s value, used instead of sending an appraiser to the house.

Debt-to-income ratio (DTI) is your monthly debt payments divided by your monthly income. On an equity line, it is how the lender tests whether you can carry the debt personally.

DSCR stands for debt service coverage ratio. It compares a property’s rent to its monthly payment, and it is the test DSCR loans use instead of personal income.

Why Do Investment Lines Run Smaller Than Primary-Home Lines?

Lenders see more default risk on a rental than on the home you live in, so they cap leverage lower and fewer of them offer the product. NerdWallet says you can get a HELOC on an investment property, but you will have fewer lenders to choose from and you cannot borrow as much as against a primary home.

Market-wide surveys report a wide spread. NerdWallet puts the maximum loan-to-value on investment-property lines as high as 80%, with many lenders sitting below 70%. It also reports typical credit scores of 720 or higher and DTI limits of 40% to 50%. Those are market-wide figures, not this network’s terms. On this network, an investment-property line tops out at 70% CLTV, with no tier above it.

The same network allows far more on a primary residence. A primary-home line can reach 90% CLTV, but only with a credit profile of 720 or better. That gap is the reason an owner-occupied line and a rental line should never be compared on one number.

Two details on the investment side matter more than they look. First, 700 is a hard floor with no tier beneath it. Second, 720 and 700 both reach the same 70% cap, so a higher score changes eligibility rather than leverage.

What Do the Numbers Look Like in Practice?

Percentages tell the story better than dollars here, because the cap is a share of value. Run the numbers on three rentals, each described only by how much of its value is already borrowed.

A rental with a first mortgage at 40% of value. The 70% cap leaves room equal to 30% of the property’s value. On a modest property, that is a workable line. On a higher-value property, the 30% could exceed $500,000, and the dollar cap would bind first.

A rental with a first mortgage at 65% of value. The room is 5% of value. On most properties, that comes out below the $25,000 minimum line, so the formula returns no usable line. This is the owner who thinks they have equity because the property has appreciated, but who borrowed heavily when they bought.

A rental with no mortgage. The 70% cap leaves room equal to 70% of value. A free-and-clear property worth more than the dollar cap divided by 70% will hit the $500,000 ceiling before it hits the percentage. Paid off does not mean unlimited. A line can sit in first lien position when there is no mortgage, but the same cap still applies.

The third case surprises people most. They assume the lender will lend against all their equity. It will not. At a 70% CLTV cap, 30% of the property’s value always stays untouched.

What Does Not Raise Your Limit?

Several things that feel like they should raise the limit do not. Knowing them saves you from chasing a number the network will not produce.

A higher credit score. Above 700, the investment cap is flat at 70% CLTV. Strong credit keeps you eligible, but it does not unlock more leverage on a rental.

Rental income. A home equity line on an investment property is underwritten on personal credit, DTI, and equity. A strong rent roll helps you in other ways, but it does not enter this calculation. NerdWallet notes that some lenders allow projected rental income to support a higher DTI, so lenders outside this network vary on that point.

Paying down the property to zero. It raises your room, but the percentage and dollar caps still apply.

Asking for a bigger line than the formula allows. The lender runs the same arithmetic on every file. If you want more than the line produces, the usual answer is a different product, covered below.

DTI deserves a closer look because it is where many rental owners get stuck. The maximum is 50%, and the lender reviews your file on the interest-only payment calculated on the maximum draw. At least 75% of the line is drawn at closing, so the qualifying test assumes you are borrowing heavily, even if you plan to draw lightly later. Credit profiles from 600 to 679 face a 45% DTI limit, but an investment line already floors at 700, so that tier does not come into play on a rental.

Can an LLC or Trust Hold Title?

Title is the sharpest structural difference between a home equity line and a DSCR loan. A line on this network requires that the individual borrower or an inter vivos revocable living trust hold title. LLCs, corporations, partnerships, and irrevocable, blind, or land trusts cannot hold title.

That catches many investors who deeded rentals into an LLC for liability reasons. If the property is already in an LLC, you have two options. You can change the vesting back to your name or a revocable trust before applying, or you can use a DSCR cash-out refinance instead. Entity-titled loans in that second path are available subject to lender program eligibility.

Portfolio size matters too. A borrower can hold at most three lines. Combined exposure caps at $2,000,000 on the higher-leverage program and $750,000 on the longer-runway program. Those are the two wholesale programs the network uses for equity lines. The higher-leverage program is built for larger combined exposure, and the longer-runway program offers extended draw and repayment terms. A borrower who owns more than 15 financed properties is not eligible for either.

Property type is the last gate. Single-family homes, 2-4 unit properties, PUDs, townhomes, and condominiums, including non-warrantable condos, can all be eligible. Manufactured homes, co-ops, condotels, log homes, commercial, mixed-use, and agricultural-zoned properties are not offered.

What Happens After You Draw?

An investment line gives you a 5-year draw period followed by a 25-year repayment period. Pricing floats during both the draw and the repayment, and it never converts to a fixed rate. Minimum draws after closing are $1,000 under the longer-runway program.

The CFPB describes a HELOC as an open-end line that you can borrow against repeatedly, and it says you can generally draw up to the limit during the draw period. Its HELOC booklet adds two points that matter to investors. Lines usually carry variable pricing, and a lender can reduce the line if the property’s value drops.

Those two facts are the risk. If your payment floats and your rents do not, a cash-flow gap can open. If values dip, the line you planned around could shrink right when you need it. A line secured by a rental also puts that rental at risk if you miss payments.

So stress-test before you draw. Ask what happens if the property sits vacant for a few months, or a roof fails. A line that looks comfortable at full occupancy can look different in that picture.

How Does a HELOC Compare to a Cash-Out Refinance?

A HELOC leaves your first mortgage in place and adds a second line. A cash-out refinance replaces the first mortgage with a new, larger one. If your existing first mortgage has favorable terms, the line preserves it. If you need more money than 70% CLTV allows, the refinance may be the only route.

The refinance column deserves detail. DSCR cash-out refinances top out around 75% LTV across most of the network on standard rentals, and 70% on short-term rental collateral. About six months of seasoning is the common expectation. Credit expectations vary: a 620 floor exists in parts of the network, most programs want around 660, and 700 or better unlocks the strongest leverage tiers. Market surveys back up the general range. This network’s DSCR cash-out numbers fit within that.

A DSCR loan is reviewed primarily on property-level rental income covering the payment, subject to lender guidelines. Coverage of 1.00 is where select programs start, and a separate select-lender path takes coverage below 1.00 with leverage and terms adjusted. Clearing 1.00 does not mean the property produces positive cash flow, because DSCR compares rent to the payment only. Repairs, vacancy, management, and utilities sit outside it.

If you want the full picture of how those loans work, the complete DSCR loans guide covers it.

When Should You Skip the HELOC?

Skip the HELOC when the formula gives you too little, when the property sits in an LLC, or when your personal DTI is the problem. In each case, the line is the wrong tool, not a failed attempt.

Here is the decision in plain terms.

• You need a smaller sum and want to keep your first mortgage. The line fits.
• You need more than the line produces. A DSCR cash-out refinance can reach higher leverage and larger loan sizes.
• Your rentals are in an LLC. The refinance path is usually the fit, unless you retitle.
• Your DTI is too high. A line underwrites on personal income, so a rent-based loan may suit you better.
• You want to avoid a floating payment. A refinance carries its own terms and costs, so compare both.

Next Steps

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 broker that arranges financing through select lenders in its wholesale network. Programs change, and every file is reviewed individually.

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.

References

1. NerdWallet

2. CFPB

3. CFPB: HELOC Booklet