Banks That Offer an Investment Property HELOC While Keeping Your Current First Mortgage

The Quick Read: A small group of lenders will place a second-lien credit line on a rental property and leave your existing first mortgage untouched, but the pool is narrow and the rules are stricter than on a primary home. On the wholesale network Lendmire works through, an investment line caps at 70% combined loan-to-value (CLTV), needs a 700 credit score, and tops out at $500,000, subject to lender guidelines.

• Your first mortgage keeps its own balance, term, and payment. The new line sits behind it as a second lien.
• Liens already on the property count toward the leverage math, and the first mortgage’s balance is the largest of them.
• Title must be held by you personally or by your revocable living trust. An LLC cannot hold title on this product.
• The line is underwritten on you (credit, equity, debt-to-income), not on the rent. DSCR loans work the other way around.
• Because this product is narrow, a broker that shops several wholesale lenders is one practical way to reach it.

Can You Get a HELOC on a Rental at All?

Yes, it exists, but it is not a standard product. NerdWallet reports that you can get a HELOC on an investment property, though not every lender offers one and the requirements are strict.

A home equity line of credit (HELOC) is a revolving credit line secured by a property you already own. You borrow against your equity, pay it down, and borrow again during a set draw period. On a rental, the lender is lending against a property that someone else lives in, so the guidelines tighten.

This guide covers one question: which kinds of lenders write these lines behind an existing first mortgage, and how the mechanics work. It does not name or rank individual banks. Availability changes, and the right program depends on your property type, credit profile, leverage need, and how the property is titled.

Which Kinds of Banks Write These Lines?

The product lives mostly outside the largest retail banks. Many big banks write home equity lines only on owner-occupied homes. Community banks, credit unions, and portfolio lenders (lenders that keep loans on their own books) are where rental lines more often show up. Specialty wholesale lenders, which a broker can reach, fill much of the rest.

Those odds describe tendencies, not promises. A bank that wrote rental lines last year may have stopped, and one that never advertised them may still offer one to a longtime customer. A broker that shops multiple wholesale lenders can match your scenario to a program instead of leaving you to call banks one at a time.

Some banks decline a traditional HELOC on a rental but offer a business-style line of credit instead. That product is underwritten differently, often renews on a set schedule, and is a separate decision from the one covered here.

The Math: How Much Room Do You Have?

Your borrowing room equals the property value times the CLTV ceiling, minus every lien already on the property. CLTV is combined loan-to-value: your first mortgage plus the new line, divided by the property’s value. On an investment property, the network ceiling is 70% CLTV.

Work it in points of value instead of dollars. Say your first mortgage is 40% of the property’s value. That leaves up to 30 points of value for the line. A first at 60% leaves about 10 points. A first at 70% or higher leaves nothing.

Two other limits apply on top of that math:

• The line size cap. Investment lines run from $25,000 to $500,000. On a high-value property, that cap can bind before the CLTV ceiling does.
• Other liens. A second mortgage or tax lien already on the property shrinks your room further.

The CFPB’s HELOC booklet describes the same logic for consumer lines: the lender takes a percentage of the appraised value and subtracts what you owe. Rental lines use a lower percentage than primary-home lines. On this network, primary residences and second homes can reach higher ceilings than 70%, but only at stronger credit tiers. That higher ceiling does not apply to an investment property.

Credit above 700 does not buy more leverage here. A 720 score and a 700 score both reach 70% CLTV on an investment line. The higher score adds cushion, not room.

How the Line Sits Behind Your First Mortgage

The line is a standalone second lien recorded behind your first. The CFPB explains that when you already have a mortgage, a HELOC is a second mortgage you pay in addition to the first. Your first mortgage keeps its balance, term, and payment.

That is the whole appeal if your first mortgage has terms worth protecting. A cash-out refinance would replace it and reprice the entire balance. A line leaves it alone.

Keeping the first does not hide it, though. Underwriters see every financed property you own. The first mortgage on the subject property enters the file for combined leverage and debt-to-income.

The structure on an investment line is fixed:

• Draw period: five years, interest-only.
• Repayment period: 25 years, fully amortizing.
• Pricing structure: variable through both periods, and it never converts to fixed.
• Initial draw: at least 75% of the line is drawn at closing.

That initial draw matters for planning. Because most of the line is borrowed on day one, the revolving feature works mainly on the remainder and on what you repay. Size the line to what you need, since the draw period lets you reborrow only what you have paid down or left undrawn.

Read your first mortgage documents before you apply. Look for due-on-sale and additional-lien language, and ask your broker how the lender treats a junior lien on that note. Two liens now secure the property, so foreclosure exposure rises even though the first’s terms stay protected. As the CFPB’s own HELOC booklet warns, you could lose the property if you can’t repay.

What Underwriting Actually Checks

An investment HELOC is underwritten on the borrower. The property’s rent is not the qualifying basis, which is the main contrast with a DSCR loan.

Here is how each piece works on this network, subject to lender guidelines and full file review:

• Credit. The minimum is 700 on an investment line. There is no tier beneath it. The lender pulls one score, keyed to the primary wage earner, and the report can be no more than 90 days old at closing.
• Debt-to-income (DTI). The maximum is 50%. The lender reviews your file on the interest-only payment calculated on the maximum draw, not on what you plan to use.
• Valuation. Lines at or below $500,000 ordinarily use automated valuation instead of a traditional appraisal. A higher CLTV may require a secondary valuation, and you can request a full appraisal at any time. Since investment lines cap at $500,000, they sit in the automated lane by design.
• Housing history and tradelines. Lenders review payment history across all your financed properties, not only the subject.
• Derogatory events. A bankruptcy needs four years of seasoning from discharge or dismissal. Foreclosure-family history on an investment file follows a seven-year path for a foreclosure and four years for a deed-in-lieu, pre-foreclosure, or short sale.

Gather your mortgage statements for every financed property, insurance proof, leases, and your most recent tax returns. Lenders vary in what they ask for, so treat that as a starting checklist.

Lines are also limited in number. A borrower can hold up to three lines on this network, with combined exposure capped by program. The HELOC product is offered in 16 states, a narrower footprint than the 41-market DSCR platform, so availability depends partly on where the property sits.

Where the General Rule Breaks

The rental sits in an LLC. An LLC, corporation, partnership, or irrevocable, blind, or land trust cannot hold title on this product. Investors who deeded rentals into an LLC for liability reasons often hit this wall. The options are a vesting change or a DSCR cash-out refinance, which can be an option for LLC-titled properties subject to lender program eligibility. Moving title can touch the due-on-sale clause in your first mortgage, so talk it through before you sign a deed.

The rental sits in a revocable living trust. This is usually fine when the deed names the trust and the trust grants borrowing power.

You own a large portfolio. A borrower with more than 15 financed properties is not eligible for the HELOC. A DSCR loan looks at each property’s rent, so portfolio size is less of a barrier there.

Your first mortgage is already large. If your first sits at or above the 70% ceiling, there is no room. A DSCR cash-out would replace the first and reprice the whole balance, which may or may not suit you.

Your credit is under 700. The HELOC is off the table. DSCR loans have a lower floor, with 620 in parts of the network and about 660 on most programs.

The property type is ineligible. Single-family, 2-4 units, PUDs, townhomes, and condos (including non-warrantable condos) are eligible. Manufactured homes, co-ops, condotels, log homes, commercial, mixed-use, and agricultural-zoned property are not offered.

You are mid-divorce. A decree does not change the recorded deed or the existing loans. A lender typically wants every person on title to sign until a deed is recorded, and a joint first stays joint and still counts in leverage.

The property is free and clear. The line is normally a second lien, but the program allows a first-lien position as well. With no mortgage on the rental, the line would be the only lien and would sit in first position. The 70% CLTV ceiling, the 700 credit minimum, and the $500,000 maximum still apply.

HELOC or DSCR Cash-Out? A Decision Rule

Choose the line when your first mortgage is worth keeping, your equity is deep, your credit clears 700, and your DTI is healthy. Choose a DSCR cash-out when your equity is thin, your portfolio is large, or your title is in an LLC.

The cash-out ceiling is about 75% LTV on standard rentals and 70% on short-term rentals. A DSCR loan is reviewed primarily on property-level rental income covering the payment, subject to lender guidelines. Coverage of 1.00 is where many select programs start, and a separate select-lender path takes coverage below 1.00 with leverage and terms adjusted. Stronger coverage opens better terms and leverage.

Keep one distinction straight. DSCR compares rent to the full payment (principal, interest, taxes, insurance, and any association dues). Clearing 1.00 is not the same as positive cash flow, because repairs, vacancy, management, and utilities sit outside the calculation.

One more thing to weigh: a line’s payment lands on the same property your rent has to carry. A thinly covered rental with a new second-lien payment can feel the strain. Many investors use these lines for down payments, reserves, and repairs on other properties, which moves the risk off the subject property. The complete DSCR loans guide covers the loan side in full.

Key Terms Defined

Second lien: a loan recorded behind your first mortgage, paid second if the property is sold or foreclosed.

CLTV: your first mortgage plus the new line, divided by the property’s value.

Draw period: the stretch when you can borrow from the line, paying interest only on this program.

Repayment period: the stretch after the draw ends when the balance amortizes to zero.

Due-on-sale clause: a first-mortgage term that lets the lender call the loan due if the property is sold or transferred.

Automated valuation: a computer-generated value estimate used in place of a traditional appraisal.

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. For a DSCR-based alternative, see Lendmire’s piece Banks That Offer a DSCR HELOC While Keeping the Existing First Mortgage in Place. Every file is underwritten individually, and nothing here is a commitment to lend.

About Lendmire

Lendmire is a mortgage brokerage (NMLS# 2371349) arranging home equity lines of credit — primary-residence, second-home and investment-property lines — through a wholesale lending network in its 16 full-service states. Eligibility is determined by the lender on each file. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.

References

1. NerdWallet – HELOC on an investment property

2. CFPB HELOC booklet

3. CFPB – Home equity loan vs. HELOC