Best Investment Property HELOC Program for a $500K Credit Line Amount

The Quick Read: A $500,000 line is the ceiling for an investment-property HELOC on Lendmire’s wholesale network. Reaching it takes a 700 credit score, a rental titled in your own name or a revocable trust, and enough equity that your first mortgage plus the full line stays at or under 70% of the property’s value. Subject to lender guidelines, here is what matters:

• Investment lines top out at 70% combined loan-to-value (CLTV), and 700 is a hard credit floor.
• The full line counts against your equity, not just the part you draw.
• LLC-held rentals cannot take this line, so they usually move to a different product.
• The best program for your situation depends on title, existing debt, and whether you need the whole amount at once.

What Is a HELOC on a Rental, and Why Is It Harder to Find?

A home equity line of credit (HELOC) is a revolving credit line secured by property equity. On a rental, fewer lenders offer it and the rules are tighter. NerdWallet notes that not every lender offers a HELOC on an investment property, that qualification requirements are strict, and that lenders see higher default risk than on a primary home.

That scarcity is why the “best program” question has no single answer. Lendmire is a mortgage broker, not a lender. It places files with select wholesale lenders and matches the property, equity, credit profile, and title to the program that fits. The lenders that write a $500,000 rental line differ in what they allow, so the match matters more than any brand.

Availability is also narrower than Lendmire’s DSCR footprint of 41 markets, including Washington, D.C. HELOC lines run through the 16 states where Lendmire is a full-service broker: AL, CA, CO, FL, GA, IN, MI, MT, NM, NC, OH, PA, TN, TX, VA, and WA.

Can You Get a $500K Line on an Investment Property?

Yes, but $500,000 is the maximum, and you only reach it with the strongest version of the file. On an investment property the ceiling is 70% CLTV, and the credit minimum is 700. A score of 720 earns the same 70%, so credit above 700 buys eligibility rather than extra leverage.

Market surveys report that lenders commonly want at least 20% equity left on a rental, per NerdWallet. On Lendmire’s network, an investment line caps at 70% CLTV, which leaves 30% equity untouched.

Larger lines exist on the network, but only on a borrower’s primary residence. They also require a full appraisal and stop at 75% CLTV. None of that applies to a rental, so for an investor $500,000 is the top of the range.

How Much Equity Does a $500K Line Need?

You need enough value that your existing mortgage plus the entire $500,000 line equals no more than 70% of the property’s value. The math uses CLTV, which is all your loans stacked against the property’s value. Lenders size against the full credit limit, not the drawn balance, so an undrawn line still uses up equity.

Run the numbers on three rentals. These are modeled setups, not market data, and they use percentages so you can scale them to your own property.

A paid-off rental. With no first mortgage, the line alone must fit inside 70% of value. The property needs to be worth at least about 1.43 times the line. That is the cleanest route to a full $500,000.

A moderately financed rental. Say the first mortgage is 30% of value. Only 40% of value remains for the line. To support $500,000, the property needs to be worth 2.5 times the line. Most single rentals do not clear that, so the lender sizes a smaller line.

A heavily financed rental. Say the first mortgage already sits near 65% of value. Only 5% of value remains, which supports a very small line. A purchase made at 75%-80% LTV and held for a short time lands here, and it often cannot support a meaningful line.

One more point on sizing. On these files, at least 75% of the line is drawn at closing. That matters for budgeting, because you should expect to use most of the money on day one rather than hold it in reserve.

How the Program Is Built

An investment HELOC on this network is a standalone line that can sit in first or second lien position. A first lien means the line is the only loan on the property. A second lien means it sits behind your existing mortgage. Leaving a good first mortgage in place is the main reason investors choose a line over replacing that loan.

The structure for investment lines is fixed. You get a 5-year interest-only draw period, then a 25-year fully amortizing repayment period. The pricing floats through both periods and never converts to a fixed amount. Draw period means the window when you can borrow. Repayment period means the stretch when you can no longer borrow and the balance pays down.

The Consumer Financial Protection Bureau describes a HELOC as an open-end line you can borrow against repeatedly. It also warns that monthly payments are often significantly higher once repayment starts. For a rental, stress-test your cash flow for that step before you draw.

Valuation is simple at this size. A full appraisal is required only above $500,000, so an investment line always falls in the automated-valuation lane. It commonly closes with no traditional appraisal. A higher CLTV may call for a secondary valuation, and you can request a full appraisal if you want one.

Who Qualifies?

The file is judged on you and the property, not on rent coverage. Underwriters look at the following, and every point is subject to lender guidelines and full file review.

• Credit: A 700 minimum, scored on a single-bureau model keyed to the primary wage earner. The report can be no more than 90 days old at closing, and rescores are not allowed.
• Debt-to-income (DTI): A 50% maximum. The payment is calculated as interest-only on the maximum draw, so qualifying is stricter than the first-year payment you will actually owe.
• Property types: Single-family homes, 2-4 units, PUDs, townhomes, and condos, including non-warrantable condos.
• Not offered: Manufactured homes, co-ops, condotels, log homes, commercial and mixed-use property, and agricultural zoning.
• Title: Fee simple or leasehold, held by you as an individual or in a revocable living trust.
• Exposure: You are limited to three lines, with combined exposure capped, and an investor with more than 15 financed properties is not eligible.
• Derogatory history: A bankruptcy needs 4 years of seasoning from discharge or dismissal. Investment files follow a 7-year path for foreclosure and a 4-year path for a deed-in-lieu, pre-foreclosure, or short sale.

Where the General Rule Breaks

The 70% rule is the headline, and these edge cases are where files stall.

LLC-held rentals. LLCs, corporations, partnerships, and irrevocable, blind, or land trusts cannot hold title on this line. That is the sharpest difference from a DSCR loan. A property already deeded to an LLC needs a vesting change or a different product. Moving title out of an LLC means giving up the liability separation it provides, so talk to your attorney and title company before you do it.

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

Credit-based caps. New Mexico and Ohio apply a CLTV cap that depends on the credit profile, so the 70% figure can come in lower there.

Credit under 700. There is no tier beneath 700 on an investment line. Some other products have lower floors, but they do not carry this line’s structure.

Large first mortgages. When equity cannot support the line you want, the lender sizes a smaller one. Do not plan around the full $500,000 until the equity math works.

For the primary-residence version of this question, see Lendmire’s piece on the best HELOC program for a $500K credit line amount.

Which Path Fits Your Situation?

The right product depends on title, credit, existing debt, and how you plan to use the money. This table maps common situations to the usual route.

A DSCR cash-out refinance replaces your first mortgage and qualifies primarily on property-level rental income covering the payment, subject to lender guidelines. On most of the network it tops out around 75% LTV on a standard rental, with about 6 months of seasoning as the common expectation. Coverage matters differently here: 1.00 is where many select programs start, and stronger ratios open better pricing and leverage. A separate select-lender path takes coverage below 1.00 with leverage and terms adjusted. Clearing a coverage ratio does not mean the property produces positive cash flow, because repairs, vacancy, and management sit outside the calculation.

The trade-off is plain. A HELOC adds a loan and leaves your first mortgage alone. A cash-out replaces that mortgage and reaches more equity. Lendmire’s complete DSCR loans guide explains the second route in full.

What to Prepare

Gather these before you apply. They are the items underwriters ask for on a personally qualified line.

1. Your credit authorization, with a score of 700 or better. 2. Your current first mortgage statement, so the lender can size combined debt. 3. Proof of how the property is titled, and a trust certificate if a revocable trust holds it. 4. Income documents for the DTI calculation, under the applicable program. 5. Lease agreements and insurance details for the rental. 6. A list of your other financed properties and open lines.

Borrowers on this track tend to get stuck on title and exposure rather than credit. Checking vesting and your count of financed properties first prevents most late surprises.

Risks and Limits

A rental line stacks a second loan on top of your first, so a falling market erodes equity from both sides. Pricing floats the whole time, and the payment steps up when repayment begins. Default can lead to foreclosure on the rental, and because the line is sized against its full limit, undrawn credit still reduces what you can borrow elsewhere.

For a high-value rental that stretches the limits, Lendmire’s article on the best investment property HELOC program on a high-value rental walks through those tradeoffs.

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.

Key Terms Defined

CLTV (combined loan-to-value): The total of your first mortgage plus the new line, divided by the property’s value.

Draw period: The window when you can borrow against the line and pay interest only.

Repayment period: The stretch after the draw ends, when you stop borrowing and the balance pays down over time.

Lien position: Where a loan ranks if the property is sold. A first lien is paid first, and a second lien is paid after it.

Automated valuation: A computer-based estimate of a property’s value that replaces a traditional appraisal.

Vesting: The way title to a property is held, such as in your own name, in a trust, or in an LLC.

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. NerdWallet – HELOC on investment property

2. Consumer Financial Protection Bureau