The Quick Read: The right line for a large medical bill depends on how your home is used, your credit profile, and your equity, and it belongs after you have checked the bill, applied for hospital assistance, and priced a payment plan, because a line turns unsecured medical debt into debt secured by your home. Lendmire is a mortgage broker that matches your file to a wholesale lender’s program, so the real question is which program fits your situation.
- Occupancy sets the ceiling. Investment-property lines top out at 70% CLTV, while primary-residence and second-home lines reach 90% CLTV only at a 720 credit profile or better.
- At least 75% of the line is drawn at closing, so a staged-draw plan works less smoothly than most articles suggest.
- Pricing floats during both the interest-only draw and the repayment period, and it never converts to fixed.
- Lines are held by individuals or revocable living trusts. A property deeded to an LLC cannot use these programs as written.
- Every figure here is subject to lender guidelines and a full file review. None of it is a commitment to lend.
Should You Borrow Against Your Home First?
Usually not. A home equity line is a fallback for medical costs, not the opening move. The cheaper option is often a bill that gets smaller or a payment plan with no interest.
How large a line the equity supports.
An equity line is sized by combined loan-to-value, occupancy, and credit — not by rental coverage. Switch the occupancy or the credit band and the ceiling moves with it.
Investment-property lines require a 700 minimum credit score; second-home lines start at a 640 minimum and primary-residence lines at 600, and the combined-LTV ceiling steps down as the credit band drops on primary-residence and second-home lines and holds on investment-property lines; the line cap steps down on primary-residence lines and holds at every tier on investment-property and second-home lines.
A debt-to-income ratio above 45% requires 680+ credit. Profiles under 640 are limited to single-family homes. At least 75% of the approved line is drawn at closing. Ceilings, floors, and caps update from Lendmire’s centralized guideline source.
Line estimate
Illustrative estimate only — not a quote, Loan Estimate, approval, or commitment to lend. The rate is an editable assumption; equity-line pricing is variable through both the draw and repayment periods and never converts to fixed. Occupancy and credit drive the ceiling together: an investment property tops out at 70% combined LTV (minimum credit 700, line cap $500,000); a second home tops out at 90% combined LTV (minimum credit 640, line cap $500,000), with the ceiling stepping down as the credit band drops (the cap holds at every tier); a primary residence tops out at 90% combined LTV (minimum credit 600), and its $750,000 maximum line is available only at 75% combined LTV or below with a 700-or-better credit profile (720 on the longer-runway program) and a full appraisal. Lines above $500,000 require a full appraisal. Credit, debt-to-income, property type, and full underwriting review all affect the final line.
Run this sequence before you apply for anything:
1. Ask for an itemized bill. Billing errors are common enough that you should check every line.
2. Apply for financial assistance. AARP notes that federal law requires nonprofit hospitals to offer charity care. That care can discount or forgive bills for lower-income patients.
3. Ask for an interest-free payment plan. Many hospitals offer one, and it costs you nothing to ask.
4. Check your HSA, FSA, and savings. These dollars do not add a lien to your home.
5. Only then price a line.
Order matters because borrowing can close doors. Charging medical debt to a credit card ends your ability to apply for assistance and negotiate a plan with the provider. Paying the hospital with equity money can have a similar effect.
There is also a safety question. Yahoo Finance points out that debt collectors cannot directly seize your home over unpaid medical bills. A home equity line changes that, because the lender can take the home if you default. You are not erasing the debt. You are moving it into a form that carries more risk.
Some situations still favor a line. Maybe the bill is large, assistance doesn’t cover it, and the payment plan is short and expensive. Maybe treatment will run in stages and you can’t predict the total. Those are the cases where a line deserves a real look.
Which Structure Fits a Medical Bill?
Match the product to how the cost arrives. Bankrate says a line suits costs that arrive in pieces, such as a course of treatment. It adds that a fixed-payment home equity loan suits a known, one-time amount because it avoids future payment increases.
| Option | Best fit | Payment pattern | Main drawback |
|---|---|---|---|
| Provider payment plan | Any bill you can spread out | Fixed installments | Needs approval from the provider |
| Home equity line | Costs with an uncertain total | Interest-only, then steps up | Payment can move; home is collateral |
| Fixed home equity loan | One known lump sum | Same payment each month | Less flexible if the bill changes |
| Cash-out refinance | Large need plus a first-mortgage reset | Replaces the whole first loan | Resets your existing mortgage terms |
The line is the product that this wholesale network places. It is a standalone line in first or second lien position. If you want a fixed payment on a known amount, a fixed loan is a different product from what is covered here.
How Underwriting Treats the Line, Step by Step
Underwriting reads a medical-expense line like any other equity line. The lender does not care that the money is going to a hospital. It cares about four things: the value of the home, how much is already owed against it, your credit, and whether your income carries the payment.
Step 1: The draw and repayment design. The CFPB explains that a line has a draw period, then a repayment period. Payments are often significantly higher in repayment, and some plans can call the whole balance due. On the programs we place files with, the draw is interest-only, then the line fully amortizes. One structure runs a 3-year draw and a 17-year repayment. The other runs a 5-year draw and a 25-year repayment. Investment lines use the 5-year draw structure only.
Step 2: Valuation. On lines at or below $500,000, lenders ordinarily use an automated valuation and skip the traditional appraisal. A higher CLTV may trigger a secondary valuation. Every line above $500,000 requires a full appraisal, and you can request one on any line.
Step 3: Combined loan-to-value. CLTV adds your first mortgage and the new line together, then divides by the home’s value. This is the leverage test. The occupancy table below shows the ceilings.
Step 4: Credit. The program floor is 600 on a primary residence. Programs use a single-bureau score tied to the primary wage earner. The credit report can be no more than 90 days old at closing, and there are no rescores. Tradeline and housing-history standards vary by program.
Step 5: Debt-to-income. The maximum is 50%. Credit profiles from 600 to 679 are held to 45%, and any ratio above 45% requires a 680 minimum. The lender reviews your file on the interest-only payment calculated on the maximum draw.
That last point matters after a medical event. If illness cuts your income, your DTI moves against you right when you need the money. Plan for that before you apply, not after.
What the Network’s Programs Allow by Occupancy
Occupancy decides almost everything. Here is the quick comparison, with figures subject to lender guidelines:
| Occupancy | Minimum credit | Top CLTV | Maximum line |
|---|---|---|---|
| Primary residence | 600 | 90% at 720+ | $500,000 at 90% CLTV; $750,000 at 75% CLTV, 700+ (720 on the longer-runway program) |
| Second home | 640 | 90% at 720+ | $500,000 |
| Investment property | 700 | 70% | $500,000 |
The 90% ceiling reaches only the strongest profile: a 720 score, on a line up to $500,000. A 700 score on a primary residence tops out at 85% CLTV up to $500,000. At 640 on a primary residence, the ceiling is 80%. At 620 it falls to 70% up to $400,000, and at 600 to 60%.
Lines run from $25,000 to $750,000. A line above $500,000 is for primary residences only. It requires a credit profile of 700 or better (720 on the longer-runway program, the one with the 5-year draw). It also caps at 75% CLTV and requires a full appraisal.
Two mechanics matter for medical borrowers:
- At least 75% of the line is drawn at closing. This is the catch in the staged-draw idea. You can’t open a large line and let it sit unused. Most of it is drawn and accruing interest from day one.
- After closing, the 5-year-draw program sets a $1,000 minimum for later draws. Some states set higher floors.
Eligible property types include single-family homes, 2-4 units, PUDs, townhomes, and condominiums, including non-warrantable ones. Manufactured homes, co-ops, condotels, log homes, commercial, mixed-use, and agricultural zoning are not eligible.
Where the General Rule Breaks
The rules above cover the typical file. These edge cases catch people.
The property is titled in an LLC. Title must be held by the individual borrower or an inter vivos revocable living trust. LLCs, corporations, partnerships, and irrevocable, blind, or land trusts cannot hold title. That is the sharpest structural difference from a DSCR loan. If your rental is already deeded to an entity, you need a vesting change or a different product.
The property is an investment property. The ceiling drops to 70% CLTV, the minimum credit score rises to 700, and the maximum line is $500,000. Many large retail lenders won’t write lines on rentals at all, which is why investors end up in a broker’s office. Don’t assume the primary-residence matrix applies.
You are tempted to bend the occupancy answer. Don’t. Occupancy is a representation on the application, and misstating it is a serious problem. If your plan depends on describing the home differently than you use it, change the plan.
Your credit has a recent derogatory event. A bankruptcy needs 4 years of seasoning from discharge or dismissal. Foreclosure history splits on primary residences and second homes. One program seasons a foreclosure at 7 years and a deed-in-lieu, pre-foreclosure, or short sale at 4. The other declines that history regardless of age. Investment files follow the 7-and-4-year path.
Your credit is under 640. Sub-640 profiles are limited to single-family residences with a clean 12-month housing history under the 5-year-draw program. Because second homes floor at 640 and investment at 700, this restriction reaches primary residences only.
You own many financed properties. A borrower is limited to three lines. Combined exposure caps at $2,000,000 on the higher-leverage program and $750,000 on the longer-runway one. Owning more than 15 financed properties makes you ineligible.
The home is listed or recently listed. A property listed for sale, or listed within the past 60 days, is ineligible in NC, PA, TN, TX, and WA.
The home is in Texas. A Texas primary residence is a homestead and caps at 80% combined loan-to-value. Higher matrix tiers never apply to it. Second homes and investment properties follow the standard tables.
Availability is narrower than you may expect. Lendmire’s equity-line programs are offered in 16 full-service states: AL, CA, CO, FL, GA, IN, MI, MT, NM, NC, OH, PA, TN, TX, VA, and WA. That is narrower than its DSCR footprint of 41 markets, including Washington, D.C.
What If You Own Rentals?
A medical bill doesn’t change the shape of your portfolio, but how you pay for it can. A line on your primary residence leaves rental debt untouched. A line on a rental adds a lien to an investment property, and your DTI and exposure counts now include it.
Also watch the cash-flow side. A floating, interest-only line payment competes with rental cash flow, and it steps up when repayment begins. Stress-test it against your rents, not just your current income.
A DSCR loan is a different tool. 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. That means a DSCR cash-out refinance is built for business uses, and whether proceeds can pay a personal medical bill depends on the program’s business-purpose rules. Ask before you assume.
For context on that product: cash-out refinances tend to top out around 75% LTV across most of the network, with about 6 months of seasoning as the common expectation. Coverage of 1.00 is where select programs start, and stronger ratios open better leverage. Coverage below 1.00 is available through select lenders in the network, with leverage and terms adjusted. Clearing 1.00 doesn’t mean positive cash flow, because DSCR compares rent to the monthly payment only. The complete DSCR loans guide covers how the math works.
Lendmire’s piece Best Investment Property HELOC Program to Cover the Purchase of Another Property covers the other common use.
A Worked Scenario: Surgery Plus Months of Rehab
Picture a homeowner with a primary residence, a 720-plus credit profile, and a procedure followed by months of therapy. The hospital has already offered a payment plan on part of the bill, and the homeowner has applied for assistance on the rest.
Plan the line around what’s left, not the full estimate. Because at least 75% of the line is drawn at closing, a line sized to cover every possible cost leaves a large balance accruing interest from day one. A smaller line means less drawn up front and a smaller balance to carry.
Then stress-test the payment. The lender reviews your file on the interest-only payment at the maximum draw. When the draw period ends, the payment steps up as principal begins. Pricing floats the whole time and never converts to fixed. Ask yourself whether the full-amortization payment still works if treatment reduces your income. If the answer is no, the line is too big or the timing is wrong.
Key Terms Defined
CLTV (combined loan-to-value): Your first mortgage plus the new line, divided by the home’s value.
Draw period: The stretch when you can borrow from the line, paying interest only on this program’s structures.
Repayment period: The stretch after the draw ends, when principal and interest are both due.
Interest-only payment: A payment that covers interest and none of the principal balance.
DTI (debt-to-income): Your monthly debt payments divided by your monthly income.
Vesting: How title to the property is held, such as in your own name or a revocable living trust.
DSCR (debt service coverage ratio): Monthly rent divided by the property’s monthly payment, used on investor loans.
Frequently Asked Questions
Can a HELOC pay for medical bills I already owe?
Yes, the lender doesn’t restrict how a personal-use primary-residence line is spent. But paying off a bill with borrowed equity can end your chance at assistance or a no-interest payment plan. Ask for both before you draw.
Is a line on a rental property harder to get than on my own home?
Generally yes. On this network an investment-property line tops out at 70% CLTV with a 700 minimum credit score and a $500,000 maximum line. Primary residences reach higher leverage and accept lower scores. Many large banks write lines only on primary homes.
How much of the line do I have to use at closing?
At least 75% of the line is drawn at closing on both program structures. That makes the line a poor fit if you want a large, mostly unused cushion. Size it closer to what you actually need.
Does the payment stay the same for the life of the line?
No. The CFPB’s HELOC brochure says payments may change even if your circumstances don’t. On these programs the payment is interest-only during the draw, then steps up as principal begins. Pricing floats in both periods and never converts to fixed.
Can I use a line if my rental is owned by an LLC?
Not as titled. LLCs, corporations, and partnerships cannot hold title on these lines, so the property needs a vesting change first. A DSCR cash-out refinance may be the better fit for an entity-owned rental, subject to lender program eligibility.
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. Whatever you decide, the best program for your situation will come down to occupancy, credit, and how much of the line you can actually carry, and the hospital’s own assistance options still deserve the first call.
About Lendmire
Lendmire (NMLS# 2371349) is a mortgage brokerage serving homeowners and real estate investors in its 16 full-service states. Home equity lines of credit are arranged through wholesale lending channels; Lendmire brokers the line and the lender underwrites each application under its occupancy-based guidelines. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.
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Informational only. Not a Loan Estimate, approval, or commitment to lend. Program availability and eligibility are subject to lender guidelines, credit approval, property review, and underwriting.
References
1. AARP – How to Pay Off or Lower Your Medical Debt
3. Bankrate – HELOC pros and cons
4. CFPB
This article is part of Lendmire’s HELOC & home equity loan program — full qualification details, guidelines, and scenarios live on the program page.
Related reading: Best HELOC Program Without Paying Closing Costs Upfront · Best Investment Property HELOC Program on a Rental Condo · Best HELOC Program After Paying Off an Earlier HELOC
Brandon Miller
Founder & CEO, Mortgage Loan Originator, Lendmire LLC
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Important disclosures. Lendmire (NMLS# 2371349) is a licensed mortgage brokerage. Lendmire is not a direct lender, depository institution, or financial advisor. All loan inquiries are subject to lender underwriting; this article does not constitute a commitment to lend. Rates, terms, and program guidelines are subject to change without notice and vary by borrower profile, property type, and state. Information in this article is general in nature and is not financial, legal, or tax advice. Equal Housing Opportunity. NMLS Consumer Access: nmlsconsumeraccess.org.