How an Investment Property HELOC Works to Buy Out a Partner

The Quick Read: A line of credit secured by the rental pays a departing co-owner by placing a new lien on the property, qualifying you personally on credit, debt-to-income, and equity, and delivering most of the line at closing, so the partner can be paid in one payment. The line sits on top of the first mortgage. It does not remove the partner from that mortgage.

• On Lendmire’s network, an investment-property line tops out at 70% combined loan-to-value (CLTV), with a $500,000 maximum line and a 700 minimum credit score, subject to lender guidelines.
• The title must be held by you personally or by a revocable living trust. An LLC cannot hold title on this product.
• The buyout price is your partner’s share of equity (value minus liens), not their share of value.
• When the equity room, the title, or the credit score does not fit, a DSCR cash-out refinance is usually the next option.

Picture a co-owned rental where one owner wants out and the other wants to keep the asset. The hard part is rarely the handshake. It is finding a lump sum without selling the property and without losing a first mortgage you may be happy with. This guide walks through how the line works, how underwriting treats it, and where it breaks.

Key Terms Defined

HELOC (home equity line of credit): A revolving line of credit secured by a property. You borrow against the equity and pay interest on what you draw.

Equity: The property’s current market value minus what is owed on it.

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

Lien position: Where a lender stands in line if the property is ever sold to repay debts. A line can sit in first or second position on this network.

Vesting: How the deed says the property is owned, such as an individual, a trust, or an LLC.

DSCR (debt service coverage ratio): Monthly rent divided by the full monthly payment on a rental. It tests the property, not the borrower’s paycheck.

What Is an Investment Property HELOC?

An investment property HELOC is a standalone line of credit secured by a rental you own, in first or second lien position. On Lendmire’s network it runs $25,000 to $500,000, with a 5-year interest-only draw and a 25-year repayment, subject to lender guidelines. You borrow against equity, not against rent.

Two features matter for a buyout. First, at least 75% of the line is drawn at closing. That fits a partner payout, since you need the cash in one piece. It is a poor fit if you only want a safety net.

Second, pricing floats through both the draw and repayment periods and never converts to fixed. NerdWallet’s explainer on HELOCs for investment property notes that fewer lenders offer these lines on rentals than on primary homes. Many large retail lenders skip the product, so the lender pool is smaller. Lendmire arranges these lines through select wholesale partners in a narrower set of states than its DSCR footprint.

Eligible properties include single-family homes, 2-4 unit buildings, PUDs, townhomes, and condos. Manufactured homes, co-ops, condotels, log homes, commercial, mixed-use, and agricultural-zoned properties are not offered.

How Underwriting Treats the Buyout, Step by Step

Underwriting treats the line as a personal credit decision secured by the rental. The file works through six steps: title, value and the first mortgage, the buyout math, personal underwriting, closing, and living with the line. A failure at any step stops the file, so check each one before you sign a buyout agreement.

Step 1: Title. The keeping partner must hold title individually or in a revocable living trust. Every co-owner on the deed has to sign, because a lender will not place a lien on half a property. If a spouse has an interest, a new lien typically needs written spousal consent or a court order. Inherited property generally has to be out of probate first.

Step 2: Value and the first mortgage. Lenders count the first mortgage plus the new line against current market value, not what you paid. Lines at or below $500,000 ordinarily use an automated valuation and commonly close with no traditional appraisal. You can still request a full appraisal. A higher CLTV may call for a second valuation.

Step 3: The buyout math. Maximum line equals value times the 70% CLTV cap, minus the first-mortgage balance. Then compare that room to what you owe your partner.

Step 4: Personal underwriting. The lender looks at your credit, which must be at least 700 on an investment line. It also looks at debt-to-income, capped at 50% and tested on the interest-only payment at the maximum draw. Rent does not enter the test. Typical documents include:

• the note and a recorded lien in the correct position
• an occupancy and business-purpose declaration
• a current first-mortgage statement
• an insurance declaration
• the vesting deed

A borrower can hold up to three lines at once, and an owner of more than 15 financed properties is not eligible.

Step 5: Close and pay the partner. Most of the line funds at closing, and the partner receives a lump sum. The partner then signs a deed or assignment out of title. The new lien is recorded, and the first loan stays as it was.

Step 6: Live with the line. The draw period is interest-only on this network. The Consumer Financial Protection Bureau explains that HELOC payments can rise sharply when repayment begins, and that most lines carry a variable rate. Plan for the step-up before you draw, not after.

Sizing the Buyout: The Equity Math

Your partner is owed a share of equity, not a share of the property’s value. That distinction changes the answer more than any other number in the deal.

The figures below are percentages of value and are modeled assumptions, not market data.

Fits easily: Value is 100%. The first mortgage is 30%. Equity is 70%. A 50% partner is owed 35% of value. Room under the 70% ceiling is 40% of value. The line covers the buyout with room to spare.

Falls just short: Value is 100%. The first mortgage is 45%. Equity is 55%. The departing half is 27.5% of value. Room under the 70% ceiling is 25% of value. The gap is 2.5% of value.

The second case calls for more creative solutions. A 2.5% gap is small enough to close with cash, a partner note, or a slightly adjusted price. A larger gap points to a different tool.

The dollar cap is a separate check from the CLTV cap. The line itself is capped at $500,000, so a high-value property can reach that dollar limit before it reaches the 70% CLTV ceiling.

Where the HELOC Does Not Help

The line supplies cash. It does not change who owes the first mortgage, and it does not decide who owns what. Those are separate problems, and they cause the most surprises.

The partner stays on the old note. If your partner is a borrower on the first mortgage, a HELOC leaves them there. A deed moves ownership, not debt. Moving title can also trip the transfer clause in the first mortgage, so talk to a real estate attorney before recording anything. Getting a partner off the note takes a payoff, a refinance, or a lender-approved assumption. If the departing partner needs a clean release, that points toward a refinance.

The property sits in an LLC. This is the sharpest limit. On this network the line cannot be placed on LLC-held property. You have three routes:

• Re-vest the property into your own name or a revocable trust, after checking the first mortgage’s transfer language.
• Buy the departing member’s LLC interest, which changes no deed, though it does not make the property eligible for the line.
• Use a DSCR cash-out refinance, which can be written on entity-held rentals subject to lender program eligibility.

Credit below 700. An investment line has a hard 700 floor with no tier beneath it. Scores at 700 and 720 reach the same 70% CLTV, so a higher score buys eligibility, not leverage. Below 700, the DSCR cash-out path is the alternative.

A property that is not eligible. Manufactured homes, co-ops, condotels, log homes, commercial, mixed-use, and agricultural-zoned properties are not offered on the line. If the shared asset is one of these, the HELOC route does not work.

Tax. Tax treatment varies; consult a qualified professional.

HELOC, DSCR Cash-Out, or Partner Note?

Each tool answers a different question. The HELOC asks about you. The DSCR cash-out asks about the property. A partner note asks about trust.

DSCR loans are designed for non-owner-occupied investment properties. Because they are business-purpose investor loans, they are reviewed differently from a standard owner-occupied mortgage. Across Lendmire’s wholesale network, a DSCR cash-out on a standard rental generally tops out around 75% LTV, and on a short-term rental around 70%. About six months of seasoning is the common expectation. Credit floors start at 620 in parts of the network, with most programs wanting about 660 and the strongest leverage tiers at 700 or better. Loan sizes run up to $3,000,000 on standard programs (smaller balances available through select lenders).

On coverage, 1.00 is where many select programs start. A separate select-lender path goes below 1.00, with leverage and terms adjusted. Stronger ratios open better pricing and leverage. Keep in mind that DSCR compares rent to the full monthly payment only. Clearing 1.00 does not mean the property produces positive cash flow, since repairs, vacancy, management, utilities, and capital expenses sit outside the calculation.

The trade-off is real. A DSCR cash-out replaces the first mortgage, so you lose whatever terms you had. The HELOC keeps the first loan intact. If your first mortgage is one you want to keep, that favors the line. If you need the partner released or the title sits in an LLC, it favors the refinance. The complete DSCR loans guide covers how the property-based route works end to end.

When the Equity Does Not Stretch Far Enough

A shortfall does not kill the deal, but it changes the structure. Four options come up most often:

1. Phase the buyout. Buy half of the partner’s share now and the rest later, with a signed agreement setting the price formula.

2. Add a partner or seller note. The departing owner finances the gap, secured behind the new line.

3. Pair a smaller line with cash. This works when the gap is a few points of value.

4. Switch to DSCR cash-out. The higher leverage ceiling and the dollar range can absorb a larger buyout, provided the rent covers the new payment.

Whichever you choose, stress-test it. The line floats, and the payment steps up when the draw period ends. A buyout that only works at today’s payment is a buyout with a hidden risk. The rental secures the debt, so a missed payment can mean foreclosure, not just a collection letter.

What Decides Whether This Works

Five things decide the outcome, in this order:

1. Title form. Personal name or revocable trust works. An LLC does not.

2. Combined leverage after the buyout. The first mortgage plus the new line has to land at 70% CLTV or less.

3. Credit against the 700 floor. There is no tier beneath it.

4. The size of the line against the $500,000 cap.

5. Whether the departing partner is on the first mortgage, and whether that matters to them.

If all five line up, the HELOC is a clean, narrow tool: one lump sum, one new lien, no disturbance to the existing loan. If any one fails, you have learned that before paying for appraisals and legal drafting, which is the better time to learn it.

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. As a mortgage broker arranging financing through select lenders across 41 markets, including Washington, D.C., Lendmire can also show you the DSCR route when the title, score, or equity room rules the line out. Qualification is subject to lender guidelines and is not a commitment to lend.

Before you sign a buyout agreement, compare the equity check against what the buyout keeps in place: the property with the owner who knows it, and a first mortgage you may want to retain.

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’s explainer on HELOCs for investment property

2. The Consumer Financial Protection Bureau