Investment Property HELOC Requirements With a 660 Credit Score

Final terms depend on the lender’s guidelines, the property type, and the borrower’s complete credit picture.

The Quick Read: A 660 score usually falls short of what a home equity line on a rental requires. Across Lendmire’s wholesale network, the investment-property line starts at a 700 credit score, with no tier below it. A 660 borrower typically tests two other routes: a line against a primary residence, or a DSCR cash-out refinance.

• The investment-property line needs a 700 minimum score and tops out at 70% CLTV (combined loan-to-value, explained below). Lines run from $25,000 to $500,000.
• A score of 720 reaches the same 70% ceiling as a 700, so credit above 700 buys eligibility, not extra leverage.
• The line must sit in an individual’s name or a revocable living trust. An LLC cannot hold title.
• A DSCR cash-out refinance qualifies primarily on property-level rental income covering the payment, subject to lender guidelines. Most programs want around 660.
• Every figure here is a guideline range. Programs change, and each file is underwritten individually.

Key Terms Defined

HELOC: a home equity line of credit, a revolving line you draw on as needed, secured by property.

CLTV: combined loan-to-value, meaning your existing mortgage plus the new line, divided by the property’s value.

DTI: debt-to-income ratio, meaning your monthly debt payments divided by your monthly income.

Lien: the lender’s legal claim on the property. A first lien gets paid first, and a second lien gets paid after it.

Draw period: the stretch when you can borrow from the line, usually with interest-only payments, before repayment begins.

DSCR: debt service coverage ratio, meaning a rental’s monthly rent divided by its monthly debt service (PITIA).

PITIA: principal, interest, taxes, insurance, and any association dues, the full monthly cost of owning the property.

Seasoning: how long you have owned the property or held the loan before a lender will let you refinance it.

Automated valuation: a software estimate of a property’s value, used in place of a traditional appraisal.

What Is a HELOC on an Investment Property?

A HELOC on a rental is a revolving credit line secured by the rental property itself. You borrow what you need, repay it, and borrow again during the draw period. Interest-only payments are typical during that stretch.

It works differently from a primary-home line, and that gap is where a 660 score gets caught. NerdWallet’s investment-property HELOC guide reports that rental lines typically want a 720 or higher score, against 620 or higher for a primary home. It says lenders see higher default risk on rentals, and many set combined loan-to-value caps below 70%. Those are market-wide figures, not Lendmire’s network terms.

The network figures are tighter and more specific. Lendmire brokers investment-property lines through select wholesale partners, and the line is a standalone first or second lien. It carries a 700 minimum score, a 70% CLTV ceiling, and a size range of $25,000 to $500,000. A 660 file does not clear that floor.

Availability is also narrower than the DSCR side. Lendmire’s investment HELOC placements run in 16 states: AL, CA, CO, FL, GA, IN, MI, MT, NM, NC, OH, PA, TN, TX, VA, and WA. DSCR investor loans cover 41 markets, including Washington, D.C.

How Does Underwriting Treat a Rental Line, Step by Step?

Underwriting runs six checks in a fixed order, and a file has to clear each one. A strong score does not rescue a weak step, and a missed step ends the file. Here is how the sequence works across the network.

Step 1: Vesting. The first check is who owns the property. Title must sit with the individual borrower or a revocable living trust. LLCs, corporations, partnerships, and irrevocable, blind, or land trusts cannot hold title. A rental already deeded to an LLC needs a vesting change first, or it belongs on the DSCR path instead.

Step 2: Property type. Eligible collateral includes single-family homes, 2-4 unit properties, PUDs, townhomes, and condos, including non-warrantable condos. Manufactured homes, co-ops, condotels, log homes, commercial, mixed-use, and agricultural-zoned properties are not offered.

Step 3: Credit. The lender pulls a single-bureau score tied to the primary wage earner. The report can be no more than 90 days old at closing, and rescores are not available. On an investment line, the floor is 700. A 660 file stops here.

Step 4: Debt-to-income. Maximum DTI is 50%, and a ratio above 45% requires a 680 minimum score. The lender reviews your file on the interest-only payment calculated on the maximum draw, not the amount you plan to use. Market guidance puts typical DTI at 40-50%, per the same NerdWallet piece.

Step 5: Equity and CLTV. Your first mortgage plus the new line cannot exceed 70% of value on an investment property. A rental worth 100 units of value with a first mortgage at 55% leaves room for a line of up to 15%, as long as the line also fits the size range. At least 75% of the line is drawn at closing.

Step 6: Valuation. Because an investment line caps at $500,000, it runs on an automated valuation and commonly closes with no traditional appraisal. A borrower can still request a full appraisal. Market guidance also mentions six or more months of reserves and proof of long-term tenants, so be ready to document both.

The structure on an investment line is a 5-year interest-only draw followed by a 25-year fully amortizing repayment. Pricing floats across both periods and never converts to fixed. The federal Consumer Financial Protection Bureau describes the same open-end design. It adds that a lender may restrict further draws if the property’s value drops significantly. Plan for that: a line is not a guaranteed reserve of cash.

What Does 660 Actually Change?

At 660 the investment-property line is closed, but the score is not the end of the story. It changes which product fits. The network has no lower investment tier, so there is no compensating factor, such as extra equity or reserves, that moves a 660 file up to 700.

Two details are worth knowing. First, credit above 700 does not buy leverage. A 720 and a 700 both reach 70% CLTV, so improving from 700 to 720 changes nothing about the ceiling. Second, bank-statement income is never the binding constraint on an investment line, because the business-account analysis needs 680 and the investment floor is already 700.

The score does matter in other places in the network:

• Primary-residence lines have a 600 program floor. A 660 profile can be in range, with leverage depending on the credit tier. Sub-640 profiles are limited to single-family residences with a clean 12-month housing history, and that restriction reaches primary residences only.
• DSCR programs commonly want around 660. A 620 floor exists in parts of the network, and 700 or higher unlocks the strongest leverage tiers.

If a 660 borrower is within reach of 700, a short improvement window can change the answer. Paying down cards and correcting report errors are the usual levers. Because the lender uses one bureau’s score, check that bureau’s report, not an average of three.

Three Routes Compared

The right route depends on where the equity sits, how the property is titled, and what the money is for. This table shows how the three options differ for a 660 borrower.

The 75% figure on the DSCR side applies to standard long-term rentals. Short-term-rental collateral caps at 70% on a cash-out. A DSCR cash-out is a new first lien that replaces your existing mortgage, which is the trade-off to weigh. It is a term loan, not a revolving line.

Where the General Rule Breaks

A few edge cases change the answer, and each has a defined outcome in the network.

A rental held in an LLC. The HELOC cannot be written against it. Moving title into your own name or a revocable trust is a real option, though you should check how that affects your existing mortgage and insurance before you do it. The alternative is a DSCR cash-out, where an LLC can hold title subject to lender program eligibility.

A rental listed for sale. A property listed for sale, or listed within the past 60 days, is ineligible in NC, PA, TN, TX, and WA.

A heavy portfolio. A borrower is limited to three lines, with combined exposure capped at $2,000,000 on the higher-leverage program and $750,000 on the longer-draw program. A borrower owning more than 15 financed properties is not eligible.

Past credit events. A bankruptcy needs 4 years of seasoning from discharge or dismissal. On investment files, a foreclosure follows a 7-year seasoning path, and a deed-in-lieu, pre-foreclosure, or short sale follows 4 years.

Property types outside the network. Manufactured homes and log homes are not offered on the HELOC side. On the DSCR side, manufactured homes (single- and double-wide), log homes, and barndominiums are not offered either.

Coverage below 1.00 on the DSCR route. DSCR 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. No-ratio structures are available only through select lenders, generally for borrowers who already own a primary residence.

Three Worked Scenarios (Percentages and Ratios Only)

These are modeled assumptions, not market data. They use percentages and coverage ratios so you can see the logic without dollar math.

Scenario one: the 700 borrower with a thin cushion. Picture an investor with a 700 score and an individually titled rental. Her first mortgage sits at 60% of value. The 70% CLTV ceiling leaves 10% of value for a line, if the line also meets the $25,000 minimum. She clears the credit floor but has limited room, so the equity step decides this file, not credit.

Scenario two: the 660 borrower with a primary home. Say you own a primary residence with substantial equity and a 660 score. The rental is not the collateral, so the rental HELOC floor does not apply. A primary-residence line sits inside the 600 program floor. Leverage depends on your credit tier, and the line is underwritten on your credit, DTI, and home equity. This is the most realistic first test for a 660 borrower who owns a home.

Scenario three: the 660 borrower with a strong rental. Consider an investor with a 660 score, a rental titled in an LLC, and rent that covers the full PITIA at roughly 1.2x. The HELOC is out on both credit and vesting. A DSCR cash-out is a different test, sized to 75% LTV on a standard long-term rental with about 6 months of seasoning as the common expectation. Reserves commonly run around 6 months of PITIA, though conservative files at modest leverage under $1,500,000 can see reserves waived, and loans above that size typically step up to about 9 months.

Clearing 1.00 does not mean the property produces positive cash flow. DSCR compares rent to PITIA only. Repairs, vacancy, management, utilities, and capex sit outside the calculation.

Why Does the Lender Look at Debt Load So Closely?

A line is open-ended, so the lender has to assume you could borrow all of it. That is why the DTI test runs on the maximum draw and not on the balance you expect to use. It also explains why the draw-period payment and the repayment-period payment both matter, since the amortizing period follows the interest-only stretch.

For a 660 borrower, this is useful context for the DSCR comparison. A DSCR loan looks at the property’s rent against its own payment, so your personal DTI is not the main test, per lender program requirements. If your debt load is the problem and the rental’s coverage is strong, the product that tests the property may fit better than the one that tests you.

What Should You Do Next?

Start with the decision that is already made for you. If your score is 660, the investment-property line is not available through this network, so stop spending time on it. Then work through the options in this order:

1. Check your primary residence. If you own a home with equity, a primary-residence line is the first product to test at 660.

2. Test the DSCR cash-out. If the equity is in the rental, run the coverage ratio and the seasoning. Ask the broker to price the rental at 75% LTV on a standard rental, or 70% if it is a short-term rental with hosting history.

3. Check title. If the property is in an LLC, decide whether a vesting change makes sense or whether the DSCR route is the cleaner fit.

4. Improve the score if it is close. A move from 660 to 700 reopens the investment line. It does not raise leverage beyond 70% CLTV. Each figure is subject to lender guidelines and a complete review of property type, leverage, and credit.

For the full picture of how rental-income loans work, see Lendmire’s complete DSCR loans guide.

The CFPB’s HELOC booklet is written for owner-occupied homes. It explains revolving credit secured by a home, and it is a useful read before you put any property behind a line.

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, and every figure is subject to lender guidelines. Reach the team at 828-256-2183.

About Lendmire

Lendmire (NMLS# 2371349) is a mortgage brokerage serving homeowners and real estate investors in its 16 full-service states. Home equity lines of credit are arranged through wholesale lending channels; Lendmire brokers the line and the lender underwrites each application under its occupancy-based guidelines. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.

References

1. NerdWallet’s investment-property HELOC guide

2. Consumer Financial Protection Bureau

3. CFPB: What You Should Know About Home Equity Lines of Credit (booklet)