The Quick Read: A home equity line on a rental you own can supply the cash-in portion of a construction loan, but the line, the construction loan, and the later DSCR take-out are three separate approvals. The best program for your file is the one with enough combined-leverage room, the least damage to personal debt-to-income, and a title structure the line allows.
- On an investment property, the line across Lendmire’s wholesale network tops out at 70% CLTV, with a $500,000 maximum line and a 700 minimum credit score, subject to lender guidelines.
- The borrower must hold title personally or in a revocable living trust. An LLC cannot hold title on the line.
- At least 75% of the line is drawn at closing, so size the line to the equity gap rather than to the maximum.
- The line is underwritten on the borrower’s credit, debt-to-income, and title. The DSCR loan that later retires the construction debt is underwritten on the finished property’s rent.
- HELOC availability runs through 16 full-service states, which is narrower than the DSCR footprint.
What an Investment-Property HELOC Does in a Construction Deal
A home equity line pays for the down payment on a build. It does not pay for the build itself. The construction lender asks for a cash-in or equity contribution, and the line turns equity in a property you already own into that cash.
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.
White Coat Investor notes that a line can be secured by an investment property. It also notes that lenders treat these lines more cautiously than lines on a primary home, and that the proceeds can fund a down payment. Line proceeds are ordinary cash once drawn. Nothing in the proceeds ties them to a particular use.
The sequence matters. The line closes first and the draw lands in your account. The construction loan funds the build in stages against inspections. After the home is finished and rentable, most DSCR programs in the network place a permanent loan that retires the construction debt. The line stays open, because the DSCR loan does not pay it off.
Two questions decide whether this works. How much equity can you reach without breaking the combined-loan ceiling? And will the construction lender accept borrowed money as your equity? The first is math. The second is a conversation with that lender before you open anything.
Key Terms Defined
HELOC: A revolving line of credit secured by a property you own, with a draw period followed by a repayment period.
CLTV: Combined loan-to-value, which adds every loan secured by the property, including the new line, and divides by the property’s value.
Cash-in (equity contribution): The portion of project cost a construction lender expects you to supply rather than borrow from it.
Borrowed funds: Down payment money that comes from debt, which some construction lenders limit or scrutinize.
Take-out: The permanent loan that pays off the construction loan once the property is complete.
DSCR: Monthly rent divided by the full monthly obligation of principal, interest, taxes, insurance, and any association dues.
How Underwriting Treats the Line, Step by Step
Each lender looks at a different piece of the same project. Here is the usual order.
1. Capacity is calculated. Line room equals the property’s value times the allowed CLTV, minus every existing lien. The result is then trimmed by the dollar cap and by personal debt-to-income.
2. The line is underwritten on you. Credit, debt-to-income, and title carry the file. The rent on the rental does not. Across the network, debt-to-income tops out at 50%, and the payment is qualified on interest-only terms at the maximum draw.
3. Valuation is ordered. Because an investment line cannot exceed $500,000, it normally runs an automated valuation with no traditional appraisal. A higher CLTV may call for a secondary valuation, and a borrower can request a full appraisal.
4. The line closes and funds. At least 75% of the line is drawn at closing. Pricing floats through both the draw and repayment periods and never converts to a fixed structure.
5. The construction lender reviews the money. Expect to document where your equity came from, usually the line statement and the draw landing in your account. Acceptance of borrowed equity is lender-specific.
6. The construction lender counts the line as debt. Most underwriters add the line’s payment to your personal debt-to-income, often at the maximum possible payment. That can reduce the construction loan you qualify for.
7. Construction draws are released against inspections as invoices come due.
8. The DSCR take-out is underwritten on the finished property. For a vacant new build, the appraiser’s market-rent opinion carries the file, using the 1007 rent schedule or the 1025 operating income statement.
That split is the main point. The line tests you. The take-out tests the property. A strong rental can still be held back by a thin personal debt-to-income position, and the reverse is also true.
What Makes One HELOC Program the Best Fit for This Job?
There is no single winner. The best program for your situation is the one with the most usable room against the least personal-debt cost. Your usable line is the smallest of three numbers: CLTV room, the dollar cap, and debt-to-income capacity.
The wholesale network spreads across several lenders. A broker can match your equity position, credit profile, and title structure to the program whose guidelines fit, which is the practical value of shopping more than one lender. These are the criteria that matter for a construction down payment:
| Criterion | Why it matters |
|---|---|
| CLTV ceiling by occupancy | Sets how much equity you can reach |
| Dollar cap and line minimum | Binds first on large or small equity needs |
| Title and vesting | Rules out LLC-held rentals |
| Draw structure | Sets how long interest-only carry lasts |
| Drawn at closing | Decides how much you owe before the build starts |
| Debt-to-income treatment | Controls the construction loan’s size |
On an investment property, the network’s line runs a 5-year interest-only draw followed by a 25-year repayment. Credit above 700 buys eligibility, not extra leverage, because 700 and 720 both reach the same 70% CLTV. The minimum line is $25,000, later draws start at $1,000, and a borrower can hold up to three lines.
Which Property Should Secure the Line?
The home or the rental? A line on a primary home generally carries the higher ceiling. A line on a rental keeps your home out of the risk chain. Neither is automatically better.
| Factor | Line on a rental | Line on a primary home |
|---|---|---|
| CLTV ceiling | 70% on an investment property | Up to 90% on a primary residence, only at 720 or better |
| Maximum line | $500,000 | Up to $750,000 |
| Valuation | Usually automated | Full appraisal above $500,000 |
| Downside risk | Lender’s claim stays on the rental | Home is collateral |
A line above $500,000 is primary-residence only. It caps at 75% CLTV, needs a full appraisal, and asks for a 700 or better credit profile (720 on the longer-runway structure). Borrowers who own more than 15 financed properties are not eligible.
The CFPB’s overview of home equity lines warns that you could lose your home if you cannot repay a line secured by it. For an investor who is stacking a construction loan on top, that warning deserves real weight.
This one is a genuine toss-up for many investors. The higher ceiling on the home is tempting, though putting the family residence behind a project that produces no rent for a while is a different kind of risk than putting a rental behind it.
Worked Example in Percentages
Run the numbers on equity room using shares of value, which are modeled assumptions rather than market data.
Rental with a first mortgage. Say the existing loan equals 45% of the rental’s value. A 70% CLTV ceiling on an investment property leaves up to 25% of value as line room. The cap and your debt-to-income can reduce it further.
Rental owned free and clear. The 70% ceiling leaves up to 70% of value in theory, but a rental worth more than the cap allows will hit the $500,000 maximum first.
Primary home with a first mortgage at 50% of value. If you are at 720 or better, the 90% ceiling on a primary residence leaves up to 40% of value. Below 720, the room is smaller.
Now stack the loans. If the construction lender finances most of the project and the line supplies the rest of your equity, nearly all of the project is borrowed. That leaves little cushion if appraised value comes in light or the build runs over. The line can clear its own test while the project becomes too thinly capitalized to survive a surprise.
Reserve discipline helps. Rental income cannot cover the line, the construction interest, and the carrying costs before the property is leased. Plan for that gap before you draw.
Where the General Rule Breaks
Land you already own. Land equity can count toward the construction lender’s cash-in requirement, net of any loan on the land. That can shrink or replace the line you need. If you already borrowed against the land, expect the credit to shrink.
LLC-owned rentals. An LLC, corporation, partnership, or irrevocable, blind, or land trust cannot hold title on the line. A rental deeded to an LLC would need a vesting change first, or a DSCR cash-out instead.
Recent purchases and high first mortgages. These shrink CLTV room, so the leverage ceiling binds before the dollar cap does.
Line freezes. The CFPB’s HELOC brochure says a lender may reduce a credit line if the property’s value drops. A long build leaves time for that to happen, so draw before the construction loan closes rather than planning to draw mid-build.
Selling the secured property. The same brochure says a line generally must be paid in full on sale. A line on a rental you plan to sell within the build timeline needs an exit plan.
Renting the home. If the line sits on your primary residence, the brochure notes the terms may restrict renting it out.
Ineligible property types. The line does not cover manufactured homes, co-ops, condotels, log homes, commercial, mixed-use, or agricultural-zoned property. Single-family, 2-4 unit, PUD, townhome, and condominium properties are the core eligible types.
Construction-to-permanent products. Some firms market a single-close structure. The network’s approach treats the DSCR loan as the take-out, not as the construction financing.
How the DSCR Take-Out Fits
The permanent loan arrives after the certificate of occupancy. It is sized on the completed appraised value, not on what the build cost, so overruns do not increase the take-out. Leverage caps and credit floors still apply, and the coverage number has to be earned from the finished property’s rent.
Across the network, 1.00 is where many select DSCR programs start. A separate select-lender path takes coverage below 1.00, with leverage and terms adjusted. Stronger coverage opens better leverage and pricing. For credit, parts of the network floor at 620, most programs want about 660, and 700 or better unlocks the strongest tiers. Loan sizes run up to $3,000,000 on standard programs (smaller balances available through select lenders).
Clearing 1.00 is not the same as positive cash flow. DSCR compares rent to the full monthly obligation only. Repairs, vacancy, management, and utilities sit outside it, and the line’s payment sits outside it too, because the line is carried personally.
DSCR financing runs through 41 markets, including Washington, D.C., and can be written to LLC-titled borrowers, subject to lender program eligibility. That contrasts sharply with the equity line. The complete DSCR loans guide explains how the take-out is calculated.
The related coverage on a best investment property HELOC program for a rental down payment covers the finished-property version of this strategy.
When the Plan Works and When It Doesn’t
The line-funded down payment tends to work for a borrower who has meaningful equity in a rental or home, strong credit, and enough personal income that the line’s payment does not crowd out construction financing. Land already owned helps even more.
It tends to fail in four situations:
- The construction lender will not accept borrowed equity.
- The line’s payment pushes personal debt-to-income above the lender’s limit.
- The rental is held in an LLC and cannot be re-titled.
- The build needs so much equity that stacking loans leaves almost no cushion.
If the plan fails on any of these, the alternatives are a larger cash or land contribution, a different source of equity, or a smaller project. The honest answer sometimes is that the line is not the right tool.
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. Program details are subject to lender guidelines and full file review, and nothing here is a commitment to lend. Reach the team at 828-256-2183 or request a quote.
Frequently Asked Questions
Can a HELOC on a rental property be the down payment on a construction loan?
Yes, when the construction lender accepts borrowed funds as your equity. That acceptance is lender-specific, so ask before you open the line. The line only supplies cash. The construction loan is a separate file with its own credit, debt-to-income, and project review.
Will the DSCR loan pay off the HELOC?
No. The DSCR take-out retires the construction loan after the property is finished and rentable. The line stays outstanding unless you pay it off separately, and its payment remains your personal obligation.
Can my LLC use its rental as collateral for the line?
Not on this network. Title must be held personally or in an inter vivos revocable living trust. A rental already deeded to an LLC needs a vesting change, or a DSCR cash-out may fit better.
Should I secure the line on my home or on a rental?
It depends on equity, credit, and risk tolerance. A primary-residence line can reach up to 90% CLTV, but only at 720 or better, while an investment-property line caps at 70% CLTV. The rental keeps your home out of the chain, and the home puts it in.
What happens if the lender freezes or reduces the line mid-build?
You lose access to the undrawn portion. Because at least 75% of the line is drawn at closing, the main exposure is the remainder, so draw what the project needs before the construction loan closes.
For current guidelines and terms, see Lendmire’s investment-property HELOC programs page.
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.
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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. White Coat Investor: HELOC on investment property
2. CFPB’s overview of home equity lines
This article is part of Lendmire’s investment property HELOC program — full qualification details, guidelines, and scenarios live on the program page.
Related reading: How to Use an Investment Property HELOC for a Seasonal Business · How an Investment Property HELOC Works When Big Banks Decline · How an Investment Property HELOC Works on a Home Held in an Irrevocable Trust
Brandon Miller
Founder & CEO, Mortgage Loan Originator, Lendmire LLC
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Disclosure information. Lendmire is a state-licensed mortgage brokerage under NMLS# 2371349. Lendmire is not a depository institution, direct lender, or financial advisor — all loans referenced are placed through wholesale lender partners and are subject to each lender's underwriting standards. This article is provided for general informational purposes and is not a commitment to lend, nor does it constitute financial, legal, or tax advice. Loan programs, terms, rates, and qualification standards change without notice and depend on borrower profile, property type, and the state in which the subject property is located. Equal Housing Opportunity provider. NMLS Consumer Access: nmlsconsumeraccess.org.