Top HELOC Providers When Refinancing the First Mortgage and Keeping the Second

The Quick Read: The best provider for this situation is whichever HELOC lender will sign a subordination agreement, a written promise to stay behind your new first mortgage, and that answer depends on your equity, your property, and the lender’s own policy more than on any ranking. A broker can match the file to a lender that fits, but no honest list can promise it.

• A refinance pays off the old first mortgage, so your HELOC becomes the oldest lien unless its lender agrees in writing to move back to second place.
• The HELOC lender does not have to say yes, and an unused line with a zero balance still counts as a recorded lien.
• Subordination is easier on a modest rate-and-term refinance than on a maximum-leverage cash-out.
• On Lendmire’s wholesale network, an investment-property line tops out at 70% CLTV (combined loan-to-value, explained below) up to $500,000, with a 700 minimum credit score.
• Your fallback options are to fold the line into a cash-out refinance, pay it off first, or skip the refinance.

What Happens to a HELOC When the First Mortgage Is Refinanced

A refinance does not modify your old first mortgage. It pays that loan off and releases the lien, and the new loan takes a fresh place in line. Your HELOC was recorded after the old first, so once the old first disappears, the HELOC is suddenly the oldest lien on the property.

That is a problem for the new lender. Nobody wants to fund a first mortgage that sits behind another claim it did not approve. Bills.com explains that the new lender asks the HELOC lender to sign a subordination agreement, which puts the line back in second position.

The legal idea is simple. A subordination agreement makes one claim junior to another, and it needs the approval of the party that would otherwise rank first. If the second-lien holder refuses to sign, the new lender will not refinance the first mortgage.

Here is how lien order changes in each case:

Two details trip people up. First, a HELOC with a zero balance still has a lien recorded against the property, so an unused line is not invisible. Second, doing nothing does not keep the line in second place. Recording order decides, and the line moves up.

How the Subordination Request Works, Step by Step

The process is a three-party transaction: you, the new first-mortgage lender, and the HELOC lender. Here is the sequence.

1. Pull the line’s paperwork. Gather the recorded security instrument, the current balance, and the full credit limit. Lenders count the entire limit, not just what you have drawn.

2. Pick the refinance type. A rate-and-term refinance leaves the first mortgage roughly the same size. A cash-out refinance grows it and eats into the equity cushion behind your line.

3. Submit the request. The new lender or the title company sends the HELOC lender the new loan amount, the loan type, and the payoff figures. The request generally cannot go out until the new loan terms and the valuation are settled.

4. The HELOC lender tests combined leverage. Many HELOC lenders set a CLTV threshold for approval. Bankrate defines CLTV as all liens, including the full line, divided by the property’s value. No reliable published figure exists for the cutoff these lenders use, so treat any number you read as a guess.

5. Sign, then record. The signed agreement is recorded alongside the new mortgage so the new first takes priority. If it is not recorded, recording order moves the line up.

6. Resume using the line. After closing, the line can generally go back to normal use once the agreement is in place.

Fees are possible. A lender may charge a subordination fee, and the amount varies by lender. When the HELOC and the new first mortgage sit with different lenders, every lender involved has to agree.

How to Evaluate a Provider for This Scenario

Ranking HELOC providers for this situation misses the point. The same lender can sign one file and decline the next, because the decision turns on the new loan amount, the property value, and the lender’s own policy. A broker that shops multiple wholesale lenders can match the scenario to a program, but the criteria below matter more than any brand.

Ask the HELOC lender’s subordination department before you commit to the refinance. Their answer tells you whether you can refinance without paying the line off first. If you are still choosing a line, ask the same questions before opening it, since a lender that rarely subordinates can box in a later refinance.

Lendmire is a mortgage broker, not a lender, and it works with a network of wholesale HELOC lenders. The best program for your situation depends on the property type, your credit profile, how much leverage you need, and your documentation. For a closer look at how lien position works with a line already in place, see Lendmire’s article Top HELOC Providers When Subordinating Behind an Existing First Mortgage.

Keep, Fold In, Pay Off, or Skip?

You have four basic paths, and each fits a different file.

Folding the line into a cash-out refinance pays the line off at closing, so no consent is needed from its lender. The tradeoff is that you replace the entire first mortgage and its terms. You cannot keep an old first mortgage and absorb only the HELOC. On a standard rental, a cash-out refinance tops out around 75% LTV across most of the network, so absorbing a large line uses up headroom you might have wanted for something else. These specifics are subject to lender guidelines and a full review of property, leverage, and credit.

Paying the line off and closing it first is clean, but some HELOCs charge a fee if you close the account within a set window, NerdWallet notes. A re-appraisal and a fresh application later add cost too.

Where the General Rule Breaks

The rule is simple: sign the agreement or lose the refinance. Several situations bend it.

An old subordination does not carry over. If your line was subordinated once before, that agreement was written for the old first mortgage. The HELOC lender has to be asked again for the new one.

A larger cash-out makes consent harder. More cash out means less equity behind the line, so the junior lender has less cushion. Switching a file from rate-and-term to cash-out partway through can change the HELOC lender’s answer.

Investment properties narrow the field. Many HELOC lenders do not write second liens on rentals at all, and some require first-lien position on investment property. NerdWallet reports that investment-property lines are harder to get because lenders see higher default risk. On Lendmire’s wholesale network, an investment-property line starts at a 700 credit score. Terms depend on the lender’s guidelines, the property type, the leverage, and a full review of the credit profile.

Title matters. The lines on Lendmire’s network must be held by an individual borrower or a revocable living trust. LLCs, corporations, partnerships, and irrevocable, blind, or land trusts cannot hold title. If your rental is deeded to an LLC, you would need a vesting change first, or a DSCR cash-out instead.

A new DSCR first lien changes the question. A DSCR loan is an investor loan that qualifies primarily on property-level rental income covering the payment, subject to lender guidelines. A DSCR first-lien lender will typically not close behind an existing second. So the old HELOC has to be paid off, or its lender has to sign a written subordination. Whether a given DSCR program accepts a subordinated second is a guideline question that depends on the program, so confirm it before you plan around it. Lendmire’s complete DSCR loans guide covers how those programs are structured.

Coverage math adds one more wrinkle. DSCR compares rent to the full monthly obligation on the property. Clearing 1.00 is not the same as positive cash flow, since repairs, vacancy, management, and utilities sit outside the calculation. A retained second lien adds payment pressure that the first-lien lender will examine closely.

What Lines Look Like on Lendmire’s Network

If you plan to open a line, the program shape matters. Lendmire arranges standalone lines, in first or second lien position, through two wholesale programs. This article calls them the 3-year-draw program and the 5-year-draw program, after their interest-only draw periods. Both float in pricing and never convert to fixed. Each figure below applies within its own program’s terms, and everything is subject to lender guidelines and full file review.

The main figures by occupancy:

• Investment property: 70% CLTV up to $500,000, with a minimum 700 credit score. Investment lines run only the 5-year-draw structure, which pairs a 5-year interest-only draw with a 25-year repayment period.
• Primary residence: a 720-or-better profile reaches 75% CLTV up to $750,000, or up to 70% CLTV on lines up to $500,000. The minimum score is 600, with lower tiers carrying lower ceilings.
• Second home: a 720-or-better profile reaches 90% CLTV up to $500,000, with a 640 minimum. The exact numbers vary by lender and program and follow a full review of property, leverage, and credit.

Lines at or below $500,000 ordinarily run automated valuation, though a higher CLTV may need a second valuation. Anything above $500,000 is for primary residences only and requires a full appraisal. Total exposure is limited to three lines per borrower.

Some properties are not eligible: manufactured homes, co-ops, condotels, log homes, and commercial, mixed-use, or agricultural properties. Lendmire’s lines are available in only 16 states, which is narrower than its DSCR footprint.

Read your CLTV carefully, because the full line limit counts toward it, not just the drawn balance. A large unused limit can push combined leverage past a ceiling before you borrow a dollar.

If the HELOC Lender Says No

A refusal is not the end of the refinance. Work down this ladder in order.

1. Ask what would change the answer. A smaller cash-out, a lower new loan amount, or a stronger valuation may move the combined leverage into range.

2. Resubmit as rate-and-term. If the cash-out was optional, dropping it shrinks the first mortgage and makes consent easier.

3. Pay the line down. Because lenders count the full limit, a lower balance alone does not shrink it, so paying down helps only if the limit comes down too. Paying it off and closing it is the cleanest version.

4. Fold the line into a cash-out refinance. This pays the line off and removes the junior lender from the decision, at the cost of repricing the full balance.

5. Skip the refinance. If the savings do not justify the line’s loss, leaving things alone is a legitimate choice.

Open the HELOC First or Refinance First?

Sequence matters more than most borrowers expect. If you open a line first and refinance later, you will probably need a subordination agreement. If you refinance first and open the line second, the new first mortgage is already in place and the line simply goes behind it.

The second order has one clear advantage: the new lender never needs the junior lender’s consent. It also has costs. Some lenders limit lines on recently refinanced rentals, and a higher first mortgage balance leaves less room under the CLTV ceiling. Recent purchases and refinances can limit what you qualify for, so check any seasoning rules before you plan around the order.

The stronger play for an investor planning both is usually refinance first, then open the line, unless a line is already open and cheap to keep.

Key Terms Defined

Subordination agreement: A written agreement in which a lender accepts a lower lien position than the one it currently holds.

Lien position: The order in which claims against a property are paid if it is sold or foreclosed.

CLTV (combined loan-to-value): All loans against the property, counting the full credit limit of any line, divided by the property’s value.

Rate-and-term refinance: A refinance that replaces the first mortgage without taking out extra cash.

Cash-out refinance: A refinance that replaces the first mortgage with a larger one and pays you the difference.

Non-owner-occupied: A property where the borrower does not live, such as a rental.

If you are weighing a home equity line against a cash-out refinance 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. Bills.com – Is a HELOC a Subordinate Lien

2. Wikipedia – Subordination agreement

3. Bankrate – How to shop for a HELOC

4. NerdWallet – What is a HELOC

5. NerdWallet – HELOC on an investment property