Top HELOC Providers for Credit Lines Above Half a Million Dollars

The Quick Read: Lines above $500,000 come from a narrow set of lenders, and the right one depends on your property, your credit, and the leverage you need. Through Lendmire’s wholesale network, a line that size is available only on a primary residence, up to $750,000, at up to 75% combined loan-to-value, with a full appraisal and subject to lender guidelines. Combined loan-to-value, or CLTV, adds every loan on the home, including the full credit line, and divides by the home’s value.

• Above $500,000 is primary-residence territory. Second homes and investment properties stop at $500,000 lines.
• On an investment property, the CLTV ceiling is 70%, with no tier above it.
• Lines run an interest-only draw period, then a fully amortizing repayment period. Pricing floats and never converts to fixed.
• The borrower, or the borrower’s revocable living trust, must hold title. An LLC cannot.
• When a rental is deeded to an LLC or the line would be too small, a DSCR cash-out refinance is usually the next stop.

What Counts as a Jumbo HELOC?

A jumbo HELOC is a home equity line of credit above what mainstream lenders will write, and lenders generally draw that line at $500,000. That’s a market habit, not a legal category. Nothing in federal law creates a “jumbo HELOC” bucket.

A HELOC is a revolving line secured by your home. You borrow against equity, which is what the home is worth minus what you owe on it. Think of it as a card with a house behind it.

Past $500,000, lenders get pickier about everything. They want more documentation, a closer look at value, and a stronger borrower. Many large retail lenders stop offering lines at this size, or cap second-home and rental lines well below it. That’s why “top providers” is the wrong lens. The better question is which lenders write your kind of file.

Which Providers Write Lines This Size?

Lines above $500,000 come from four kinds of providers: large depository lenders, private banks, credit unions, and wholesale programs reached through a broker. Each has a different appetite. None is the best choice for everyone.

• Large depository lenders write many lines, but some cap high-limit lines at primary residences and lean on existing customer relationships.
• Private banks tend to serve high-net-worth clients who keep deposits and investments at the same institution.
• Credit unions can be flexible, but membership rules apply, and some limit rental-property lines or the number of rentals you own.
• Wholesale programs sit behind mortgage brokers. A broker can shop several lenders against one scenario and match the file to the program.

Lendmire is a mortgage broker. It places home equity lines through select wholesale lenders and is never the lender itself. Its HELOC programs are available in 16 full-service states, a narrower footprint than its DSCR investor lending, which covers 41 markets, including Washington, D.C.

Appetite for investment-property lines also shifts. A name that wrote rental lines last year may have stopped, and a static ranking goes stale.

How Underwriting Treats a $500,000-Plus Line, Step by Step

Underwriting a large line comes down to five checks: occupancy and title, equity left under the CLTV cap, credit and debt-to-income, valuation, and the draw structure. Fail any one and the line shrinks or disappears. Here is how each works.

Step 1: Occupancy and title. Occupancy means how the home is used. Primary residence, second home, and investment property each get different rules. Title matters too. The borrower or an inter vivos revocable living trust (a trust you can change or cancel while alive) must hold it.

Step 2: The equity math. The formula is simple. Available line equals home value times the CLTV ceiling, minus the loans already on the home. The full line counts toward CLTV whether or not you draw it all, and on this network at least 75% of the line is drawn at closing in any case.

Run it as percentages. Say a primary residence carries a first mortgage equal to 45% of its value. At the 75% ceiling for lines above $500,000, the new line can’t exceed 30% of the home’s value. It must also fit under the $750,000 maximum. A very valuable home doesn’t mean an unlimited line.

Now take an investment property with a first mortgage equal to 55% of value. The ceiling there is 70% CLTV, so the line can’t exceed 15% of value, and it can’t pass $500,000 no matter how much equity sits in the home.

Step 3: Credit and DTI. DTI is debt-to-income, your monthly debts divided by your monthly income. This is personal underwriting, not property cash-flow underwriting. The maximum DTI is 50%, with 45% as the limit for credit profiles from 600 to 679. A ratio above 45% requires at least a 680 score, so a line above $500,000, which needs a 700 profile or better, is never held to the lower limit. The lender reviews your file on the interest-only payment calculated on the maximum draw, not on what you plan to borrow.

Credit pulls use a single-bureau score model keyed to the primary wage earner. The report can be no more than 90 days old at closing, and rescores aren’t available. The general program floors are 600 on a primary residence, 640 on a second home, and 700 on an investment property. A line above $500,000 is different: it is primary-residence only and needs a credit profile of 700 or better (720 on the longer-runway program, described below), so the 600 floor does not apply to it.

Step 4: Valuation. Lines at or below $500,000 ordinarily run on automated valuation with no traditional appraisal, though a higher CLTV may trigger a second valuation. Every line above $500,000 requires a full appraisal. You can also request one on a smaller line.

Step 5: Draw and repayment. A HELOC is an open-end line, meaning you can borrow, repay, and borrow again within limits. The CFPB explains that a draw period could last 10 years, for example. The lender can also refuse further draws if the home’s value drops significantly. Some plans require a minimum draw each time, or an initial draw when the line opens.

Here, the opening draw is not optional. At least 75% of the line is drawn at closing, which differs from the classic picture of an unused safety net. Think of it as a large, mostly funded loan with a revolving feature attached.

The Two Draw Structures and the Ceilings They Carry

Lendmire places lines with two wholesale programs. The first is the higher-leverage program, which on primary residences and second homes uses a 3-year interest-only draw followed by a 17-year fully amortizing repayment. The second is the longer-runway program, which uses a 5-year draw and 25-year repayment and is the only structure for investment-property lines. (Tennessee shortens both structures.)

Pricing floats across both the draw and repayment periods on both programs. It never converts to fixed. The CFPB’s HELOC booklet notes that HELOCs typically carry variable rather than fixed pricing, and it warns that you could lose your home if you can’t repay. A draw period of interest-only payments feels easy. The repayment period doesn’t. When the draw ends, the payment steps up because principal begins amortizing. Plan for that day.

Combined exposure is capped too. A borrower may hold up to three lines, with combined exposure capped at $2,000,000 on the higher-leverage program and $750,000 on the longer-runway program. After closing, the longer-runway program sets a $1,000 minimum for each subsequent draw, with exceptions in some states.

Here’s how the ceilings differ by occupancy, all subject to lender guidelines:

Read the 90% figure carefully. It exists only at a 720-or-better credit profile, only on a primary residence or second home, and only up to $500,000. Market-wide surveys of home equity lines show a spread of ceilings, but the network figures above are the ones that apply to a file placed through Lendmire. On an investment property, 70% is the ceiling, full stop.

Where the Rule Breaks: Named Edge Cases

Every rule above has exceptions. Most of them are structural, and they decide whether the line exists at all.

LLC ownership. LLCs, corporations, partnerships, and irrevocable, blind, or land trusts cannot hold title on these lines. That’s the sharpest difference from a DSCR loan. If your rental already sits in an LLC, you need a vesting change or a DSCR cash-out instead. Whether an LLC can borrow on the DSCR side is subject to lender program eligibility.

Portfolio size. A borrower owning more than 15 financed properties is not eligible. Housing history and tradelines are reviewed across all financed properties, so a large portfolio puts more of your credit file under the microscope.

Credit events. A bankruptcy needs 4 years of seasoning from discharge or dismissal. Foreclosure history splits by program on primary residences and second homes. The higher-leverage program declines the history entirely, regardless of age, while the longer-runway program seasons a foreclosure at 7 years and a deed-in-lieu, pre-foreclosure, or short sale at 4. Investment files follow the 7-and-4-year path.

Low scores. Profiles below 640 are limited to single-family residences with a clean 12-month housing history under the longer-runway program. Second homes floor at 640 and investment properties at 700, so only primary residences can carry a profile that low. Even there, the 600 floor applies only to lines of $500,000 or less, since a line above that needs a 700 profile.

Property types. Eligible properties include single-family homes, 2-4 units (a 640 minimum applies on the longer-runway program), PUDs, townhomes, and condominiums, including non-warrantable ones. Modular factory-built homes are eligible on the longer-runway program only. Manufactured homes, co-ops, condotels, log homes, and commercial, mixed-use, or agricultural-zoned properties are not offered.

Listings and state quirks. In several states, a property listed for sale, or listed within the past 60 days, is ineligible. A few states shorten the draw and repayment periods or add waiting periods on primary residences. Some cap combined leverage by credit profile. Confirm the state rules on your file before you count on a figure.

One more point on how files get matched. Different programs weigh these items differently, so the same borrower can look strong to one lender and out of range to another. That’s the practical case for shopping wholesale lenders through a broker rather than applying one at a time.

HELOC, DSCR Cash-Out, or Something Else?

A HELOC on a primary home is reviewed around personal credit and DTI. A DSCR cash-out refinance on a rental qualifies primarily on property-level rental income covering the payment, subject to lender guidelines. They solve different problems, and many investors end up comparing both.

A HELOC leaves your existing first mortgage untouched, and that matters if the first is cheaper than anything you could get today. It works best when you have a primary residence with deep equity and a clean personal profile. It falls short when you hold many financed rentals, because DTI can block the line even when equity is plentiful.

The DSCR cash-out refinance has a different profile:

• On a cash-out refinance of a standard rental, leverage tops out around 75% LTV across most of the network. A short-term rental is capped at 70% on cash-out.
• About 6 months of seasoning, meaning time on title, is the common expectation.
• Loan sizes run up to $3,000,000 on standard programs (smaller balances available through select lenders), and most programs want a credit score around 660. A 620 floor exists in parts of the network.
• Reserves, meaning liquid cash left over after closing, vary by lender, leverage, and loan size. Around 6 months of PITIA (principal, interest, taxes, insurance, and association dues) is common.

For the full mechanics, Lendmire’s complete DSCR loans guide covers how coverage ratios, leverage, and reserves fit together. Clearing the coverage test is also not the same as having positive cash flow. Repairs, vacancy, management, and utilities sit outside the calculation.

Key Terms Defined

CLTV (combined loan-to-value): All loans secured by the home, including the full credit line, divided by the home’s value.

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

Repayment period: The stretch after the draw ends, when you pay principal and interest on a fixed schedule.

DTI (debt-to-income): Your monthly debt payments divided by your monthly income.

Revocable living trust: A trust you can change or cancel during your lifetime, which lenders in this space accept as a titleholder.

DSCR cash-out refinance: A new loan on a rental that pulls out equity and qualifies primarily on rental income covering the payment.

Before You Apply

Gather these first. Missing one costs more time than any lender’s guidelines do.

• Your current first-mortgage balance and the property’s likely value, so you can run the CLTV math as percentages.
• A credit report that will still be under 90 days old at closing.
• A DTI estimate that includes every financed property and the draw-based payment.
• Proof of how title is held, because an LLC deed changes your options.
• A repayment plan for when the draw period ends.

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.

About Lendmire

As a mortgage broker (NMLS# 2371349), Lendmire helps homeowners and real estate investors in its 16 full-service states open home equity lines of credit arranged through wholesale lenders. Lendmire is never the lender; line amounts, ceilings and terms are set by the lender under its guidelines. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.

References

1. CFPB: What Is a Home Equity Line of Credit HELOC

2. CFPB – What You Should Know About Home Equity Lines of Credit