The Quick Read: The line is sized by the lowest of three limits: combined loan-to-value room, the program’s dollar range, and the rent test on the full credit limit. Through select programs, a second lien reaches 70% CLTV at a 720 score or better, on lines of $50,000 to $500,000, subject to underwriting.
- A second lien tops out at 70% CLTV and $500,000.
- A first lien on a rental with no mortgage reaches 75% LTV at 740 or better.
- Rent must cover a stress payment on the entire line at 1.10x or better.
- Lines to $400,000 may use an automated valuation; larger lines take a full interior appraisal.
- At least 80% of the line is drawn at closing. These specifics are subject to lender guidelines and a full review of property, leverage, and credit.
Most investors ask the question backward. They start with equity and expect the line to match it. Lenders start with the rent and work toward equity, and whichever test gives the smaller answer wins. The sections below follow the order a lender checks the file.
What Is a DSCR HELOC, and Who Is It For?
A DSCR HELOC is a revolving line secured by a non-owner-occupied one-to-four-unit rental. It is written as a standalone second lien behind the first mortgage you keep, or as a standalone first lien on a rental with no mortgage. The rent qualifies the line. The owner’s personal income is never calculated.
That structure fits a particular investor. Picture an owner with a low-balance first mortgage they would hate to replace, self-employed income that is hard to document, or a portfolio held in an LLC. Vesting in the LLC is allowed, with the members signing as guarantors, per program terms.
It is not a line on your own home or a second home. It never closes together with a purchase, and it is never a third lien. If another line already sits behind your first mortgage, that line has to be paid off first.
The federal consumer-finance regulator describes a HELOC as an open-end line you can borrow against repeatedly, with a draw period followed by a repayment period and usually a variable rate. The DSCR version follows that shape, but the rent, not a paycheck, carries the file. For the broader family of rental loans, Lendmire’s complete DSCR loans guide covers how rent-based underwriting works.
How Does a Lender Approve the Line, Step by Step?
Approval runs in a fixed order, and a file can stall at any step. Value comes first, then combined leverage, then the dollar range, then the rent test, then credit and title. Here is the sequence in plain terms.
1. Value the property. Lines up to $400,000 may use an automated valuation (confidence score of 85 or better) with a property inspection report, or a full interior appraisal. Lines above $400,000 take a full interior appraisal on Form 1004, 1073 or 1025. Appraisal waivers are not accepted.
2. Measure combined leverage. Add the first mortgage balance to the full new line, then divide by value. The result must stay at or under the tier ceiling.
3. Check the dollar range. A second lien runs from $50,000 to $500,000. If the room left is under $50,000, there is no second-lien line to write.
4. Run the rent test. Rent divided by the qualifying payment must reach 1.10x. More on that below.
5. Pull credit and title. The lender’s own credit report sets the tier. A full title policy applies to a first lien and to second liens above $400,000. Smaller second liens use an owner-and-encumbrance report.
Lenders also confirm that a lease is in place and that a two-to-four-unit property has no more than one vacant unit. Hazard insurance must cover both liens, with flood coverage where required.
What Sets the Maximum Line Size?
The maximum line is the lowest of three numbers: value times the allowed CLTV minus existing liens, the program dollar cap, and the line the rent can support. Think of three doors. You can only walk through the narrowest one.
The equity math is simple. Multiply value by the ceiling, then subtract what is already owed. This is illustrative arithmetic, and the lender’s own calculation governs.
Worked example: a second lien
Consider a rental valued at $400,000 with a $220,000 first mortgage, and a borrower at 720 or better. At 70% CLTV, the combined ceiling is $280,000. Subtract the $220,000 first mortgage and $60,000 of room remains. That clears the $50,000 floor, so a line is possible on equity grounds.
Now shift the balance to $240,000. Room falls to $40,000, below the $50,000 minimum. No second-lien line exists, even though the owner still has real equity. That gap catches people off guard.
Worked example: a first lien
Take a paid-off rental valued at $500,000, with a borrower at 740 or better. A first lien reaches 75% LTV, so the line could approach $375,000 on equity alone. At 700 to 739 the ceiling drops to 70% LTV. On lines above $500,000 (up to $1,000,000) the ceiling is 65% LTV, at 720 or better. Terms depend on the lender’s guidelines, the property type, the leverage, and a full review of the credit profile.
A first lien exists only on a rental with no mortgage. A borrower who keeps a first mortgage can only take a second lien, which carries the 720 floor.
The Tier Table
| Lien position | Credit score | Maximum leverage | Line range |
|---|---|---|---|
| Second lien | 720 or better | 70% CLTV | $50,000–$500,000 |
| Second lien | Below 720 | Not available | None |
| First lien | 740 or better | 75% LTV | Up to $500,000 |
| First lien | 700–739 | 70% LTV | Up to $500,000 |
| First lien, large | 720 or better | 65% LTV | Above $500,000 to $1,000,000 |
All figures are ceilings reached through select programs, subject to underwriting. They are not offers. A declining-market flag can lower the ceiling by 5 points, and Philadelphia lines carry a ceiling 10 points lower.
Why Can Rent Cap the Line Before Equity Does?
The rent test runs on the entire credit limit, drawn or not, so a bigger line needs more rent. The qualifying payment is a fully amortizing payment of principal and interest on the full line at a stress rate. Taxes and insurance are not part of it.
The minimum is 1.10x. Gross monthly rent divided by that qualifying payment must reach it. Because the payment is built on the full limit, doubling the line roughly doubles the payment being tested while rent stays put.
Rent itself is the lesser of the appraisal’s market rent and the lease, unless three months of receipts support a lease above market. A lease in place is required.
Here is the catch for second liens. Whether the first-mortgage payment joins the qualifying payment is not published, so confirm on the file how the lender treats it. The lender’s own coverage calculation governs.
Think this through before applying. An owner with big equity and modest rent may find the rent test, not the equity math, sets the ceiling. The honest fix is a smaller line, not a different story. Some investors in that spot compare a DSCR cash-out refinance, which replaces the first mortgage and is sized differently.
Key Terms Defined
CLTV (combined loan-to-value): The first mortgage balance plus the new line, divided by the property’s value.
LTV (loan-to-value): The loan divided by value, used when there is no other mortgage.
DSCR: Gross monthly rent divided by the qualifying payment.
Stress payment: The payment the lender tests on the full line, built at the start rate plus 2 percentage points.
Draw period: The interest-only window. Here it is 5 years on the drawn balance.
Seasoning: How long you have owned or held the loan on the property before the line is allowed.
How Do Draws and Repayment Work?
The line is not a fresh credit card on the rental. At least 80% of the line is drawn at closing, and the closing draw is never less than $50,000. On the smallest lines, that means the whole line is drawn at closing. Later draws are at least $5,000 each.
The draw period lasts 5 years, interest-only on the drawn balance. Then a 25-year fully amortizing repayment period begins, for a 30-year maturity. The rate is variable.
That changes the planning. This is a mostly funded loan with a revolving feature, not a standby cushion you leave untouched. Investors who want a large undrawn reserve should weigh that before choosing it.
The CFPB’s HELOC booklet explains that variable rates and the shift from draw to repayment can raise payments. Plan for the repayment step, because the payment shifts when interest-only ends. During the draw phase, you pay interest only on what you borrow, not the full limit.
Credit, Seasoning and Property Rules That Change the Number
Credit sets your tier. A second lien needs 720, a first lien needs 700, and the top first-lien tier needs 740. The lender’s own report decides. Mortgage history needs no 30-day late in the last 12 months, and 48 months must pass since a bankruptcy, foreclosure, short sale or deed-in-lieu. No reserves and no cash to close are required.
Seasoning is one sentence: a rental bought or refinanced inside the last 6 months is not eligible (that clock runs from the last note date to the new note date), and the owner must have held title for 6 months (settlement date to note date).
Eligible property includes single-family, PUD, townhome, two-to-four units, warrantable and non-warrantable condominiums, and lots to 10 acres. Rural-designated property, row homes, condotels, commercial or agricultural property, leaseholds, land trusts, age-restricted communities, modular and log homes, mixed-use, and a property listed for sale in the prior 2 months are outside it. So is a property with a solar lien.
Borrowers must be U.S. citizens, permanent residents, or non-permanent residents with a Social Security number. Foreign nationals and ITIN borrowers are not eligible. Exposure is capped at 5 loans or $2,500,000 per borrower with the program, which matters for investors scaling up.
Short-term rental rules can vary by city, county, HOA, and property type, so investors should confirm local rules before relying on projected rental income.
DSCR HELOC vs. Other Ways to Reach Equity
| Factor | DSCR HELOC | Personal-income investment HELOC | DSCR cash-out refinance |
|---|---|---|---|
| Reviewed on | Rental income | Credit, DTI, equity | Rental income |
| First mortgage | Stays in place | Stays in place | Replaced |
| LLC title | Allowed, per program terms | Typically not | Per program terms |
| Structure | Revolving line | Revolving line | One new loan |
Be careful not to mix the products. Many bank investment HELOCs are underwritten on the borrower, not the property. NerdWallet notes that not all lenders offer a HELOC on an investment property and that qualification is strict. That is a different product from this one, which tests no DTI.
If you want to keep a low-balance first mortgage untouched, a second lien does that. A refinance replaces it.
Where the General Rule Breaks
Credit below 720 on a rental with a first mortgage means no second-lien option. The alternatives are a different program or a cash-out refinance, and that is a real fork, not a delay.
If equity room is under $50,000, the line does not exist at that size. Another line already on the property makes a DSCR HELOC a third lien, which is not offered.
The first-lien path on a paid-off rental reaches the highest percentages, but only with the right score. A 700 borrower gets 70% LTV, not 75%. The exact numbers vary by lender and program and follow a full review of property, leverage, and credit.
Using the line as a purchase down payment does not work here, because the line never closes together with a purchase. It also cannot be drawn against one rental to fund another in the same closing. And the program is offered in 15 of Lendmire’s 16 licensed states, every licensed state except Tennessee.
A Quick Self-Check Before You Apply
- Do you have a first mortgage? If yes, you need 720 for a second lien.
- Value times 70%, minus the first mortgage balance: is it at least $50,000?
- Is a lease in place, and does the rent look like it can cover a stress payment on the whole line?
- Has the rental been bought or refinanced in the last 6 months, or held under 6 months?
- Is the property rural, a condotel, a row home or a leasehold?
- Is any other line sitting behind the first mortgage?
Qualification primarily rests on property-level rental income covering the payment, subject to lender guidelines.
Frequently Asked Questions
What is the most I can borrow on a second lien?
The ceiling is $500,000 and 70% CLTV at a 720 score or better, through select programs and subject to underwriting. The actual line is the lowest of the equity room, the dollar cap, and what the rent supports at 1.10x on the full limit.
Does the rent test use the amount I draw or the whole line?
The test uses the entire credit limit, drawn or not. The qualifying payment is built on the full line at a stress rate. That is why a larger request can fail on rent even when equity is plentiful.
How soon after buying a rental can I open a line?
Two six-month clocks apply: the line is not available on a rental bought or refinanced in the last 6 months (last note date to new note date), and title must have been held for 6 months (settlement date to note date).
Can an LLC hold the property?
Yes, subject to lender program eligibility. The members sign as guarantors, and a title holder who is not a borrower signs a non-borrowing owner acknowledgment and the security instrument.
Is the rate fixed?
No. The rate is variable, and the lender’s HELOC disclosures carry the rate and pricing terms. Payments can rise in the repayment period.
Next Step
If you are considering a home equity line on a rental property and want to see how the numbers work, Lendmire can help you compare DSCR HELOC options based on the property, the rent, the equity available, credit profile, combined leverage, and your goals. Lendmire is a mortgage broker and arranges financing through select lenders in its wholesale network. Details are subject to lender guidelines, and nothing here is a commitment to lend.
About Lendmire
Lendmire, NMLS# 2371349, is a mortgage brokerage with consumer lending licenses in 16 states. It arranges DSCR home equity lines of credit on rental property through wholesale lending partners in 15 of its 16 licensed states (every licensed state except Tennessee); each line is written on a non-owner-occupied one-to-four-unit rental and reviewed individually by the lender under the program’s credit and leverage 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
3. NerdWallet – HELOC on an investment property
This article is part of Lendmire’s DSCR HELOC program — full qualification details, guidelines, and scenarios live on the program page.
Related reading: How Much Can You Borrow on a DSCR HELOC for Investors Who Want a Line of Credit? · How Much Can You Borrow on a DSCR HELOC on a Vacant Rental Without a Lease? · How Much Can You Borrow on a DSCR HELOC for Refinancing a Balance Into a New HELOC?
Brandon Miller
Founder & CEO, Mortgage Loan Originator, Lendmire LLC
- Mortgage Loan Originator · NMLS# 1129696 · Verify on NMLS Consumer Access
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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.