How Much Can You Borrow on a Bank Statement HELOC to Buy Out a Co-Owner or Ex-Spouse?

The Quick Read: It depends on your equity, but on an investment property the ceiling is 70% combined loan-to-value, so your new line plus your first mortgage cannot exceed 70% of the property’s value, the line tops out at $500,000, and bank statements change how you document income, not how much you can borrow. The buyout itself is limited to the departing owner’s share of the equity left after all liens.

• Leverage cap: 70% CLTV on an investment property, with no higher tier, and a 720 score buys no extra leverage on a rental.
• Line size: $25,000 to $500,000 on an investment property. Lines above $500,000 exist only on a primary residence.
• Credit floor: 700 on an investment line, with no tier beneath it.
• Title: You must hold title as an individual or in a revocable living trust. An LLC cannot hold the collateral.
• The catch: A HELOC pays the departing owner, but it does not take that person off the existing first mortgage.

How Much You Can Borrow on a Bank Statement HELOC Comes Down to CLTV

The maximum is the lesser of two numbers: what the CLTV cap allows and what the buyout actually costs. CLTV is the combined loan-to-value ratio, meaning your first mortgage plus the new line, divided by the property’s value. Everything else on the file is a gate you must pass, not a lever that raises the number.

Start with the payout. Take the property’s value, subtract every lien, and multiply by the departing owner’s ownership share. That share comes from your agreement and state law, so it is not always 50/50.

Then test the ceiling. Add the payout (as a percentage of value) to your first mortgage balance (as a percentage of value). If the total lands at or under 70%, the structure fits on an investment property. If it lands above, you need cash, a phased buyout, or a different loan.

The line must also fit the size band. Investment lines run from $25,000 to $500,000 across the network. The program that writes investment lines also lets a borrower hold up to three lines, caps combined exposure at $750,000, and does not accept a borrower who owns more than 15 financed properties.

Occupancy changes the ceiling, so state it before you quote any number. On a primary residence, the network’s matrix reaches 90% CLTV, but only at a 720 score and only on lines up to $500,000. Second homes reach 90% CLTV under the same pairing. On a rental, 70% is the top, and these HELOC programs are available only in Lendmire’s 16 full-service states.

Key Terms Defined

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

Bank statement HELOC: A standard home equity line of credit where a self-employed borrower documents income through deposit history instead of tax returns. It is not a separate legal product.

Draw period: The stretch when you can borrow from the line and pay interest only. Investment lines run a 5-year draw, then a 25-year repayment period.

Vesting: How title is held, such as in your own name, in a trust, or in an LLC.

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

Lien position: Where a loan sits in line to be repaid. A HELOC here can be a first or a second lien.

Three Worked Examples: A Fit, a Stretch, and a Miss

These are modeled assumptions expressed as percentages of value, not market data. The calculator on this page can turn them into dollars as an illustrative estimate.

The fit

Two owners split a rental 50/50. The first mortgage sits at 40% of value, so equity is 60% of value. The departing owner’s half is 30% of value. Add 40% and 30% and you land at 70% CLTV, exactly on the cap. It works, with zero cushion for the valuation coming in lower than expected.

The stretch

Same split, but the first mortgage is 50% of value. Equity is 50%, the payout is 25%, and CLTV reaches 75%. That is five points over the cap. The line can cover part of the payout, and you bring the rest or phase the buyout. This is the case where a DSCR cash-out, which allows 75% on a standard rental, starts to look better.

The miss

Three siblings own a rental equally, and one wants to buy out the other two. The first mortgage is 30% of value, so equity is 70%. Two-thirds of that equity is about 46.7% of value. Add the first mortgage and CLTV reaches roughly 76.7%. The line cannot cover it, and neither can a standard-rental cash-out at 75%, so the numbers call for owner cash, a phased buyout, or a smaller scope. The exact numbers vary by lender and program and follow a full review of property, leverage, and credit.

A generic HELOC sizing method shows the same logic. The CFPB’s HELOC booklet walks through taking a percentage of appraised value, subtracting the existing mortgage, and treating the remainder as the potential line. Its 75% example is a consumer illustration, not a program cap. The booklet also says the lender weighs ability to repay and credit history when setting the actual limit. On the network’s investment-property lines, the cap is 70%.

What Bank Statements Change (and What They Do Not)

Bank statements change how the lender measures your income. They do not change the CLTV cap, the line cap, or the credit floor. A self-employed borrower can qualify on documented income under the applicable program, subject to lender guidelines.

The mechanics follow a common pattern in non-QM lending. Scotsman Guide’s non-QM overview describes a self-employed borrower supplying 12 to 24 months of personal or business statements. The lender then applies an expense factor to business deposits, and its example uses 50%. That figure is an illustration. Each program sets its own factor, so do not plan around 50%.

Not every deposit counts. Transfers between your own accounts and other non-income credits are screened out before averaging. Joint accounts deserve special attention in a buyout. Deposits that belong to your ex or co-owner are not your income. The cleaner your own deposit trail, the cleaner the analysis, so separate accounts before you apply.

Your income must support the new payment alone. On the network’s HELOC programs, the maximum debt-to-income ratio is 50%. The lender reviews your file on the interest-only payment calculated on the maximum draw, and that payment sits on top of your first mortgage and every other monthly debt. At least 75% of the line is drawn at closing, and the pricing floats through both the draw and repayment periods without converting to fixed.

Bank statement income is still underwritten on you, not on the property’s rent. A rental that covers its own payment helps your story, but it does not replace the borrower-level test. Valuation is usually automated on lines up to $500,000. A higher CLTV may require a secondary valuation, and you can always request a full appraisal. NerdWallet notes that investment-property lenders form a smaller pool, run stricter requirements, and may require multiple appraisals.

Does Title Type Decide Whether the Line Works?

Yes. The collateral must be held by you as an individual or in a revocable living trust. LLCs, corporations, partnerships, and irrevocable, blind, or land trusts cannot hold title under this program. That is the sharpest structural difference from a DSCR loan, which can lend to an entity, subject to lender program eligibility.

Here is the practical sorting:

Property type matters too. Single-family homes, 2-4 unit buildings, PUDs, townhomes, and condos (including non-warrantable condos) are eligible. Manufactured homes, co-ops, condotels, log homes, and commercial, mixed-use, or agricultural properties are not.

Does a HELOC Take Your Ex or Co-Owner Off the First Mortgage?

No, and this is the misunderstanding that causes the most expensive surprises. A HELOC puts cash in the departing owner’s hands. The existing first mortgage stays in place, and so does that person’s liability on it.

A divorce decree or settlement may require the keeper to refinance the first loan. If it does, a second lien alone may not satisfy the order. Your attorney should read the decree’s wording before you choose a structure.

This is also the main reason investors choose a line over a refinance. A second lien leaves a low-cost first mortgage alone. The trade-off is a second payment on top of the old one, with the line’s pricing floating after closing. Tax treatment can depend on how the funds are used and how the property is held; borrowers should keep clear records and speak with a qualified tax professional before relying on any deduction.

For a deeper walkthrough of the mechanics, Lendmire’s piece How to Use an Investment Property HELOC to Buy Out a Co-Owner or Ex-Spouse covers the structure step by step.

HELOC or DSCR Cash-Out: Which Fits a Rental Buyout?

On a rental, the DSCR cash-out refinance often fits better when the payout is large, the score is under 700, or the title sits in an LLC. A DSCR loan is reviewed primarily on property-level rental income covering the payment, subject to lender guidelines. It replaces the old first mortgage, so the departing owner can come off the note.

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. If the property is your marital home or your primary residence, DSCR is not an option, and an owner-occupied program is the path.

Most DSCR programs want a score around 660, with a 620 floor in parts of the network and the strongest leverage reserved for 700 and above. Coverage of 1.00 is where many select programs start. A separate select-lender path takes coverage below 1.00, with leverage and terms adjusted. Stronger ratios open better pricing and leverage. Reserves vary by lender, leverage, and loan size, and are commonly around 6 months of PITIA (principal, interest, taxes, insurance, and association dues).

A buyout cash-out enlarges the balance and the payment, which pulls coverage down. The usual responses are a phased buyout, bringing cash to the table, or keeping leverage modest. Also, clearing 1.00 does not mean the property cash flows. DSCR compares rent to PITIA only, and repairs, vacancy, management, utilities, and capex sit outside the calculation.

Seasoning, the waiting period after you acquire a property, is commonly about 6 months on a cash-out. Do not assume a buyout earns an exemption. Ask the lender up front. Lendmire’s complete DSCR loans guide lays out the full program picture.

Co-Owners, Siblings, and Ex-Spouses: What Changes?

The loan mechanics stay the same, but the paperwork differs. With an ex-spouse, a decree or marital settlement agreement defines the payout and often the timing. With siblings, heirs, or business partners, a signed buyout agreement carries that weight. A vague agreement can leave the lender treating the deal as an ordinary cash-out.

A lender cannot force a co-owner to sign. If the other owner will not agree to a price or a deed, that is a legal question for an attorney, not a financing question.

Here is a practical sequence:

1. Agree on the property’s value and subtract all liens. 2. Multiply by the departing owner’s share and put the number in writing. 3. Confirm how title is held and whether it fits the program. 4. Gather the current first-mortgage statement, the insurance declaration, the vesting deed, the settlement agreement or decree, and 12 to 24 months of bank statements. 5. Run the CLTV test against the 70% cap, and the debt-to-income test against the 50% maximum. 6. Close the line, pay the departing owner, and record the deed under the agreement.

The lender and title company set the exact order of the last step, so coordinate before any money moves.

Where Does the Maximum Break First?

Think of four gates: leverage, line size, credit, and debt-to-income. Line size binds when the payout tops $500,000. Credit binds below 700. Debt-to-income binds when the second payment pushes your total past 50%.

When the payout exceeds what the line can carry, there are three realistic options: phase the buyout in stages, bring owner cash, or move to a DSCR cash-out. The strongest files clear both tests: enough equity and enough rental coverage.

Next Steps

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, Lendmire matches your scenario to the programs that fit, and every figure remains subject to lender guidelines and full file review. This is not 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. CFPB, What You Should Know About Home Equity Lines of Credit

2. Scotsman Guide, Rev Up the Engine for Non-QM Lending

3. NerdWallet: Can You Get a HELOC on an Investment Property