How Much Can You Borrow on an Investment Property HELOC for Rental Owners Who Want Equity?

The Quick Read: On a rental, the line is capped at 70% combined loan-to-value (CLTV) and $500,000, and every lien already on the property comes out of that number first.

• The formula is property value × 70% CLTV, minus the existing mortgage balance.
• The ceiling on an investment line is $500,000, with a $25,000 minimum.
• A 700 credit score is the floor, and 720 reaches the same 70% ceiling.
• Title must sit with an individual or a revocable living trust, not an LLC.
• Lines of this type are available in Lendmire’s 16 full-service states, subject to lender guidelines.

How Is the Maximum Calculated?

The maximum line equals the property’s value times the allowed CLTV, minus all liens already on it. The lender’s dollar cap and your personal qualification can then shrink the result further.

Take an illustrative property worth $400,000 with a first mortgage balance of $200,000. At 70% CLTV, total debt on the property can reach $280,000. Subtract the $200,000 mortgage and the line tops out at $80,000. A paid-off rental worth $400,000 has no mortgage to subtract, so the same $280,000 of allowed debt could all be a line of credit.

Two caps work in sequence. A high-value, low-debt rental hits the $500,000 dollar cap before the percentage cap. A lower-value rental with a first mortgage hits the percentage cap first. Whichever is lower wins.

One detail catches owners off guard. The lender counts the full credit limit toward the combined-lien test, even if you never draw it. An unused line is not free leverage.

Why Do Rentals Get Less Than a Primary Home?

Lenders view rentals as higher default risk, so they cap leverage lower and offer the product less often. NerdWallet notes that a rental HELOC is possible, but the pool of lenders is smaller and the borrowing power is lower than against a primary home.

Here is how the ceilings differ on this network:

The network figure for an investment property is 70%, and nothing sits above it. Lines above $500,000 exist only on primary residences.

What Shrinks the Line Below the Cap?

Several factors can pull the number under the ceiling, and most are mechanical.

• Existing liens. A first mortgage, a prior second lien, or any other debt secured by the property reduces room dollar for dollar.
• Credit tier. Investment lines require 700 at minimum. Because 700 and 720 both reach 70%, a higher score adds eligibility rather than leverage.
• Debt-to-income ratio. DTI maxes at 50%, and the lender reviews your file on the interest-only payment calculated on the maximum draw. A large line can fail DTI even when the equity is there.
• Title. An LLC, corporation, partnership, or land trust cannot hold title. Owners with entity-titled rentals need a vesting change or a different product.
• Property type. Single-family, 2-4 unit, PUD, townhome, and condominium (including non-warrantable) are eligible. Manufactured homes, co-ops, condotels, log homes, commercial, mixed-use, and agricultural zoning are not.
• Exposure. A borrower is limited to three lines, and owning more than 15 financed properties disqualifies the file.

How Does an Investment HELOC Work Day to Day?

It works like a revolving line with two phases. The CFPB describes a HELOC as an open-end line you can borrow against repeatedly, with a draw period followed by a repayment period. Payments often rise sharply when repayment starts.

On this network, an investment line uses a 5-year interest-only draw followed by a 25-year fully amortizing repayment. At least 75% of the line is drawn at closing, and pricing floats through both periods without converting to fixed. The minimum later draw is $1,000, except in Texas at $4,000.

Because most of the line is drawn up front, plan on carrying most of it from day one when sizing.

Valuation is usually light. Because an investment line caps at $500,000, it commonly runs an automated valuation with no traditional appraisal. A higher CLTV may require a secondary valuation, and a borrower can request a full appraisal in any case.

What Does the Qualification Path Look Like?

The file is built on the borrower, not the rent. Lenders review credit (single-bureau score, report no more than 90 days old), DTI, housing history, and title. Bankruptcy needs 4 years of seasoning from discharge or dismissal. Foreclosure-family history on investment files follows a 7-year seasoning path for foreclosure and 4 years for a deed-in-lieu, pre-foreclosure, or short sale.

Business bank accounts require a 680 minimum for deposit analysis, but investment already floors at 700, so bank-statement income is never the binding constraint here.

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

Where the HELOC Is the Wrong Tool

A HELOC fits an individual owner with strong credit, manageable DTI, and a rental held in a personal name or revocable trust. It stops fitting when any of those fail.

If the rental sits in an LLC, if DTI is already stretched by a growing portfolio, or if tax-return income doesn’t support the borrowing, the borrower-based test becomes the obstacle. A DSCR cash-out refinance qualifies primarily on property-level rental income covering the payment, subject to lender guidelines. Across the wholesale network, cash-out on a standard rental tops out around 75% LTV, with about 6 months of seasoning as the common expectation. The 75% ceiling applies to standard rentals, and short-term-rental collateral sits lower, around 70%.

The tradeoff is real. A cash-out refinance replaces the first mortgage, so it changes the whole loan, and a DSCR file looks at rent against the full payment. Clearing 1.00 coverage is a test of rent against PITIA only. It does not mean the property cash-flows after repairs, vacancy, management, and capex. For the broader picture, Lendmire’s complete DSCR loans guide walks through how those files are structured.

A few edge cases matter before choosing:

• Stacking. A second lien generally has to be cleared before a cash-out refinance on that property, so order of operations matters if both are on your roadmap.
• Former primary residence. Occupancy at application drives the ceiling. A line on a home you live in carries primary-residence tiers, while the same line on a rental carries 70%. State the occupancy actually in force.
• Using a primary home’s equity instead. That route can reach a higher ceiling, but the collateral at risk is your own residence.

What Are the Risks of Drawing Heavily?

The biggest risk is payment change. The CFPB’s HELOC booklet notes that HELOC rates are generally variable, so what you owe moves with the market. On this network the pricing floats for the full life of the line, so rental cash flow has to absorb that.

Run three stress tests before drawing:

1. Does the property still cover its first mortgage plus the new line’s interest-only payment at a higher-cost scenario?

2. Can the portfolio absorb the jump when the 5-year draw ends and amortization begins?

3. What happens to your combined-lien position if values soften?

If any answer is uncomfortable, size the draw down. Borrowing less than the maximum is a valid choice, and the 75% closing draw means you should confirm the size you actually want before applying.

Key Terms Defined

CLTV (combined loan-to-value): Total debt secured by the property, including the new line, divided by the property’s value.

Draw period: The window when you can borrow against the line, usually interest-only.

Repayment period: The phase after the draw ends, when principal and interest are both due.

Lien position: Whether the line sits first or second behind another mortgage.

Automated valuation: A computer-based value estimate used instead of a traditional appraisal.

Vesting: How title is held, such as an individual, trust, or entity.

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. Reach the team at 828-256-2183 or request a quote. Programs change, every file is reviewed individually, and nothing here is a commitment to lend.

About Lendmire

Lendmire (NMLS# 2371349) is a mortgage broker. Home equity lines of credit — on a primary residence, a second home or an investment property — are arranged through wholesale lenders in Lendmire’s 16 full-service states, and every line is underwritten by the lender under its program guidelines. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.

References

1. NerdWallet – HELOC on investment property

2. CFPB – What is a HELOC

3. CFPB – HELOC brochure