Top HELOC Providers in Third Lien Position Behind Two Mortgages

The Quick Read: Most lenders stop at second position, so a new equity line behind two existing mortgages is a narrow niche served by a small pool of private and portfolio lenders. Lendmire is a mortgage broker, and its wholesale network places standalone lines in first or second lien position only. The honest answer to this title is therefore a method, not a ranked list: how third-position lending works, who tends to write it, and what to do when the answer is no.

• Last-in-line repayment after a foreclosure is the main reason most lenders refuse a third lien.
• The deciding test is combined loan-to-value (CLTV) across all three loans, and thin equity ends most attempts.
• Provider types differ more than provider names, so ask the right questions before you apply.
• A bigger second-position line, a consolidating refinance, or a DSCR cash-out refinance often solves the same problem without a third lien.

What Is a Third-Lien HELOC?

A third-lien HELOC is a home equity line of credit recorded behind a first mortgage and one other loan secured by the same property. A HELOC is a revolving credit line secured by the property, and the other loan is usually a second mortgage, a home equity loan, or an existing HELOC.

Lien rank follows recording order, not product names. Benzinga explains that a second HELOC added behind an existing one takes third position, or lower. The label “second HELOC” is a trap for exactly this reason.

Barnes Walker notes that junior liens are paid only from what remains after senior liens are satisfied. A property tax lien can jump ahead regardless of recording date.

Why Most Lenders Stop at Second Position

Most lenders stop at second position because a third lienholder is the last paid after a foreclosure, and the sale often does not produce enough money to reach it. Lawyers.com notes that a foreclosure sale brings in a limited amount, and low-priority lienholders sometimes get nothing.

A third lender has fewer ways to protect itself than a senior one. It cannot stop the first mortgage from foreclosing, and it has no claim until two lenders are made whole. Whatever the sale brings in goes to the senior liens first, and the third lender takes only what is left. Pricing, equity cushions, and CLTV limits are the main tools it has left.

A BiggerPockets discussion on third-position HELOCs points out that these lines are typically second position only. It suggests a larger second-position line that pays off the existing second, or a refinance that folds the two loans into one.

Who Are the Top HELOC Providers in Third Lien Position?

The top providers in third position are whichever lenders write that exact scenario for your property, credit, and equity. No standardized national program exists, and no neutral source ranks them. The lenders that do this depend on your file, so a ranked list would mislead you.

You can sort providers by type instead. The table below is general and describes tendencies, not any lender’s terms.

A closed-end third mortgage from a private lender is a different product from a HELOC. It is generally a fixed-term note, not a revolving line, and it is priced to match the added risk.

Where Lendmire’s Network Fits

Lendmire does not place HELOCs in third position. Lendmire brokers through select wholesale partners and shops many lenders’ programs, and the standalone lines in that network sit in first or second lien position only.

Here is what the network does offer, subject to lender guidelines and full file review:

• Investment property: up to 70% CLTV, a 700 minimum credit score, and lines up to $500,000.
• Primary residence: a ceiling that reaches 90% CLTV, but only at a 720 or better credit profile and up to $500,000. Lines above $500,000 are available only on primary residences.
• Second home: a ceiling that reaches 90% CLTV, again only at 720 or better, with a 640 minimum score and lines up to $500,000.
• Vesting: the individual borrower or a revocable living trust. LLCs, corporations, and land trusts cannot hold title.
• Availability: home equity lines are available in 16 states, a narrower footprint than the DSCR loan platform’s 41 markets, including Washington, D.C.

The market is wider than the network. NerdWallet reports that an investment-property HELOC tops out around 80% loan-to-value in the broader market, with many lenders below 70%, and that not every lender offers one. On this network, the investment ceiling is 70% CLTV.

How Underwriting Treats a Third Lien, Step by Step

1. Lien count. The lender pulls title and counts every recorded lien. Many programs stop here when a new line would rank third.

2. Combined loan-to-value. CLTV adds every loan secured by the property and divides by value. Room for a new line equals value times the CLTV ceiling, minus the first mortgage, minus the existing junior line.

3. Borrower qualification. A HELOC is underwritten on the borrower: credit, debt-to-income ratio (DTI), and equity. It is not underwritten on rent.

4. Valuation. Value comes from an automated valuation or an appraisal. NerdWallet notes that multiple appraisals may be required on investment properties.

5. Documents and recording. The lender collects a note, a recorded security instrument, and an occupancy and business-purpose declaration. Position is fixed at recording, and anything recorded earlier stays ahead.

An existing HELOC eats headroom whether or not you have drawn on it. Some lenders count the credit limit and others count the balance, so ask each lender which one it uses.

A Worked Equity Example

Percentages show why the math often fails. Treat these as placeholders, not market data.

Say the property’s value is 100%. The first mortgage is 55% of value and an existing second is 15%. Together they equal 70% CLTV.

• At a 70% CLTV ceiling, the investment ceiling on this network, a new line has zero room.
• At an 80% ceiling, the market-wide investment figure NerdWallet reports, the room is 10% of value. A third lender also wants an equity cushion left after the draw.

Benzinga’s illustration points the same way. A large existing HELOC can leave only about 10% equity, while a much smaller one leaves about 20%. Equity left after all three liens decides the outcome far more than the product name does.

How to Evaluate a Third-Position Provider

Start with these questions, in this order, before any hard credit pull:

1. Do you write third position at all, and on which occupancy types?

2. What CLTV ceiling applies once all three liens are counted?

3. Do you count my existing line at its limit or at its balance?

4. Is this a revolving line or a fixed-term note?

5. Does the product require title in my name, or can an LLC hold it?

6. What happens to my position if the first mortgage is later refinanced?

Gather your documents first. You need current balances and lien types for every recorded loan, a title or lien report, your credit profile, and proof of occupancy type. Also list any less obvious recorded liens, such as a solar loan.

Where the General Rule Breaks

Third position is rare, but several situations change the picture.

• Subordination. A senior lienholder can voluntarily agree to move behind a newer lien. It is optional, and the junior holder may refuse.
• A future first-mortgage refinance. With two junior liens, a new first lender typically needs both to agree to stay behind it. Two junior lenders mean two chances of refusal.
• Priority liens. Certain liens, such as property taxes, can outrank earlier recorded loans, so a lien’s place in line is not always set by the order of recording.
• Occupancy. Investment-property lines carry tighter terms in general.
• Substitute collateral. A line secured by a different property avoids the third-lien problem altogether.

The Alternatives Most Investors Should Weigh First

A third lien is rarely a more affordable way to reach equity. These routes often work better:

The DSCR route deserves a closer look for rental owners. A DSCR cash-out refinance is underwritten on how well the property’s rent covers its full monthly obligation, subject to lender guidelines. It replaces the first lien and does not stack another behind it. Cash-out typically tops out around 75% LTV across most of the network on standard rentals, with about six months of seasoning as a common expectation.

On coverage, 1.00 is where many select programs start. A separate select-lender path takes coverage below 1.00, with leverage and terms adjusted. Clearing 1.00 does not mean positive cash flow, because repairs, vacancy, management, and capital expenses sit outside the calculation.

Credit expectations are also different. A 620 floor exists in parts of the network, most programs want around 660, and 700 or better unlocks the strongest leverage tiers. For the full picture, see the complete DSCR loans guide.

Risks and When This Is a Bad Idea

Third position is a poor fit in several cases:

• Your remaining equity after all three liens is thin.
• You plan to refinance the first mortgage soon, since subordination from two junior lenders is not guaranteed.
• The only available offer is a high-cost fixed-term note for a purchase that does not need it.
• The property is held in an LLC and the line requires individual title.

Cost matters too. NerdWallet says most lenders charge higher rates and fees on investment-property lines than on primary-home lines. Third position adds a further risk premium on top of that higher baseline.

Key Terms Defined

Lien position: your rank in the line of creditors paid after a foreclosure, set mostly by recording date.

CLTV (combined loan-to-value): all loans secured by the property added together, divided by its value.

Subordination agreement: a signed agreement in which a senior lienholder agrees to rank behind a newer lien.

HELOC: a revolving line of credit secured by the property, with a draw period followed by repayment.

DSCR (debt service coverage ratio): monthly rent divided by the full monthly housing obligation, which covers principal, interest, taxes, insurance, and any association dues.

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. Program details are subject to lender guidelines and full file review, 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. Benzinga – Two HELOCs on the same property

2. Barnes Walker – Junior lien

3. Lawyers.com – How lien priority works

4. BiggerPockets – HELOC in third position

5. NerdWallet