The Quick Read: Not directly, because a DSCR HELOC is never written on the home you live in, and a Texas homestead line is limited by your remaining equity, not by rent. Your own home falls under a separate consumer home equity rule, which requires you to keep at least 20% equity after all liens.
- Your own homestead: the borrowing limit is the room left after every lien already on the home. Rent from the future ADU does not raise that number.
- A Texas rental you own: a DSCR HELOC can fund an ADU there. A second lien reaches up to 70% combined loan-to-value at a 720 credit score or better, with lines from $50,000 to $500,000, subject to underwriting.
- A first lien on a rental with no mortgage: it reaches up to 75% loan-to-value at 740 or better, subject to underwriting.
- The deciding question: whether you live on the property decides which product you get. Exact terms depend on the lender’s guidelines, property type, leverage, and a full review of the borrower’s file.
The title question rests on a mismatch, so it helps to unpack it before running numbers.
Why a DSCR HELOC and a Homestead Don’t Mix
A DSCR HELOC is a line of credit secured by a rental the owner keeps. It is reviewed on the property’s rent. The program is never offered on an owner-occupied home or a second home. A Texas homestead is, by definition, the home you live in.
So the product the title describes does not exist as written. A line secured by your own Texas home is a consumer home equity product. Texas law governs it, and your own income and credit decide qualification.
That is not bad news for an investor. It just sends you down one of three paths, each with a different borrowing limit. Here they are side by side.
| Situation | Product that fits | What sets the limit |
|---|---|---|
| You live in the house and build the ADU on that lot | Texas home equity loan or line | Equity: you must keep 20% |
| You moved out and the house is now a leased rental | DSCR HELOC, subject to seasoning and eligibility | Rent coverage, lien position and seasoning |
| The ADU goes on a separate Texas rental | DSCR HELOC | Rent coverage and 70% CLTV (second lien) |
The rest of this article takes each path in turn and then covers the numbers.
Key Terms Defined
DSCR (debt service coverage ratio): the property’s gross monthly rent divided by the qualifying monthly payment. It shows whether the rent carries the debt.
HELOC: a revolving line of credit secured by property. You borrow part or all of it and repay over a set schedule.
CLTV (combined loan-to-value): all liens on the property added together, divided by the property’s value.
Second lien: a loan that sits behind the first mortgage. If the property is sold or foreclosed, the first mortgage is paid first.
Homestead: the home you occupy as your residence. Texas gives it strong legal protection, which is why lenders face tight rules when they lend against it.
ADU (accessory dwelling unit): a small second home on the same lot, such as a garage apartment or a backyard cottage.
How Much Can You Borrow Against Your Own Texas Homestead?
The answer is the room left after you subtract what is already borrowed from the Texas ceiling on your home. The Texas A&M Real Estate Research Center explains that a home equity loan or line, counted with all other liens on the home, cannot push you past a constitutional limit of 80% of the home’s value. That is a Texas consumer homestead rule, not a DSCR HELOC figure. In plain terms, you must keep at least 20% equity.
Lenders cannot waive this ceiling. Strong rent coverage does not lift it. ADU rent does not enter the formula, and neither does a high credit score.
Run it in points of value. Say your first mortgage is 60% of the home’s value. You then have 20 points of room under the ceiling. If the first mortgage is 70%, you have 10 points. If existing liens already reach the ceiling, there is nothing left to borrow.
Three more Texas rules matter here:
- Collateral: the lien can attach only to the homestead itself. You cannot add a rental as extra security.
- One at a time: only one home equity loan can be outstanding on a homestead. Using that slot for the ADU can block other equity borrowing on the same home.
- Waiting period: a 12-day waiting period applies. The Texas Office of Consumer Credit Commissioner says the clock starts only after you have applied and received the required disclosure.
Lenders also differ on whether the appraised value counts the ADU before it is built. That is a lender-guideline question, so confirm it before you rely on a projected value.
Qualification on this route rests on your income and credit. If you document income through bank statements or similar methods, that is a separate non-QM question. It does not change the equity ceiling.
Where a DSCR HELOC Does Work: Texas Rental Property
Texas homestead limits do not attach to a rental you do not live in. If you own a Texas duplex, a single-family rental, or a small multifamily, a DSCR HELOC can fund an ADU there. This is where the product earns its keep.
The structure is simple. It is a standalone second lien behind the first mortgage you keep. It can also be a standalone first lien on a rental with no mortgage. The line qualifies primarily on property-level rental income covering the payment, subject to lender guidelines. No tax returns, W-2s or personal income calculation are involved. Title can stay in your LLC, subject to program eligibility. Through Lendmire’s wholesale network, this lane is offered in 15 of Lendmire’s 16 licensed states, every licensed state except Tennessee, and Texas is one of them.
The business-purpose rule is the reason the line is allowed on a rental. Credit to improve a non-owner-occupied rental is treated as business purpose under Regulation Z. The same rule says occupancy of more than 14 days a year breaks that status. So a house you live in stays on the consumer side even if you rent the ADU.
If you plan to move out of the house and rent it, the line becomes available only once the property genuinely works as a rental. That means a lease is in place and the property is not owner-occupied. Lenders also review occupancy certifications. Confirm this path with a broker before you move.
The DSCR HELOC Borrowing Limits, Spelled Out
On a rental, three limits work together. The tightest one wins.
Leverage. On a second lien, combined loan-to-value runs up to 70% at a 720 credit score or better, with lines from $50,000 to $500,000. There is no second-lien tier below 720. On a first lien, with no existing mortgage, loan-to-value reaches 75% at 740 or better and 70% from 700 to 739 on lines to $500,000. Lines above $500,000, up to $1,000,000, are capped at 65% at 720 or better. A declining-market flag can lower these ceilings by 5 points. All of these are ceilings, not offers, and each is subject to underwriting.
Rent coverage. The minimum is 1.10x. Gross monthly rent is divided by a qualifying payment. That payment is a fully amortizing payment on the entire credit limit at a stressed rate. Taxes and insurance are not part of it. Because the whole limit counts, a larger line raises the qualifying payment even if you draw less than the full amount.
Rent used. Rent 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. On a two-to-four-unit property, at most one unit can be vacant.
This is the catch for ADU builders. The ADU does not exist yet, so its rent cannot help the coverage test. The existing rent has to carry the line you are sizing, including the dollars meant for the build.
Worked example in percentages
Take a Texas rental valued at 100 on the appraisal. The first mortgage is 50% of that value.
- At 70% CLTV, the second lien has up to 20 points of room.
- If the first mortgage is 65%, only 5 points remain. The line may then fall below the $50,000 minimum, which ends the idea.
- If the property has no mortgage and your score is 740 or better, a first-lien line can reach 75% of value, subject to underwriting.
Then check coverage. If the existing rent clears roughly 1.10x or more against the stress payment on the full line, the file works on coverage. If it lands below, a smaller line may fit. The lender’s own calculation governs.
How Draws and Repayment Work on a Build
The draw structure matters more on a construction project than on a refinance. 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 must be at least $5,000 each.
Interest runs on the drawn balance. During the 5-year draw period, you pay interest only. Then a 25-year fully amortizing repayment period follows, for a 30-year maturity. The rate is variable.
Put those pieces together. You will carry interest on cash that may sit in an account while the foundation is poured. Size the line to the real budget, not to the maximum.
What the File Needs
The paperwork is lighter on personal income and heavier on the property:
- Credit: 720 minimum on a second lien and 700 on a first lien, taken from the lender’s own report. There is no 30-day mortgage late in the last 12 months. At least 48 months must have passed since a bankruptcy, foreclosure, short sale or deed-in-lieu.
- Reserves: none are required, and no cash to close is required, subject to underwriting.
- Valuation: lines up to $400,000 use an automated valuation with a property inspection report, or a full interior appraisal. Lines above $400,000 need a full interior appraisal. Appraisal waivers are not accepted.
- Seasoning: 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).
- Exposure: the program allows at most 5 loans or $2,500,000 per borrower.
- Borrowers: U.S. citizens, permanent residents, and non-permanent residents with a Social Security number. Foreign nationals and ITIN borrowers are not eligible.
Some property types fall outside this lane. Rural-designated property, row homes, condotels and leaseholds are out. A property listed for sale in the prior 2 months, or one carrying a solar lien, is also out. Texas has plenty of rural lots, so check the designation before you plan the build.
Hazard insurance covers both liens, with flood coverage where required. Tax treatment varies; consult a qualified professional.
Which Path Fits You?
The decision is shorter than it looks.
If you live on the lot and the ADU is for family, rent, or both, use the homestead route. Your remaining equity is the limit. A Texas lender or title company can walk you through the waiting period and disclosures. Lendmire’s piece on how much a HELOC releases on a Texas homestead for a build goes deeper on that route.
If you own a leased Texas rental with real equity, a DSCR HELOC is the cleaner fit. Existing rent sizes the line, and your personal income file stays closed. A second lien lets you keep the first mortgage in place.
If you plan to move out and convert the house to a rental, plan the sequence. The six-month seasoning clocks, the lease and the occupancy certification all have to line up first.
If you want to compare the line against a cash-out on the same rental, Lendmire’s comparison of a DSCR HELOC and a DSCR cash-out refinance for an ADU build lays out the tradeoffs. For the bigger picture on how these loans work, the complete DSCR loans guide covers the basics.
Before you apply, gather the following:
1. A current lease and, if the lease is above market, three months of rent receipts.
2. The first-mortgage statement and a hazard insurance declaration page.
3. Entity documents if the property sits in an LLC, subject to lender program eligibility.
4. The ADU budget, plans and permit status, so you can size the line to the real cost.
5. A written plan for how you will draw the funds.
Short-term rental rules can vary by city, county, HOA, and property type. If you plan to list the ADU on a short-term platform, confirm local rules before relying on projected rental income.
Frequently Asked Questions
Can I use a DSCR HELOC on the house I live in?
No. A DSCR HELOC is written only on non-owner-occupied rentals. A line on your own Texas home is a consumer home equity product, sized by your equity and your personal income and credit.
Does ADU rent count toward how much I can borrow on a homestead?
No. On a homestead, the limit is the room left under the Texas equity ceiling after existing liens, and rent does not change it. On a rental with a DSCR HELOC, existing lease rent counts toward the coverage test, but unbuilt ADU rent does not.
How long must I own a rental before opening a DSCR HELOC?
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 I take a DSCR HELOC and a Texas home equity loan on the same property?
Not on the same property. The DSCR HELOC attaches to a non-owner-occupied rental, while a Texas home equity loan attaches only to your homestead. Only one home equity loan can be outstanding on a homestead at a time, so using that slot for an ADU can block other equity borrowing on that home.
What happens if the rental’s rent is too low for the line I need?
A smaller line may fit, since the 1.10x coverage test uses a payment on the full credit limit. If the first mortgage already uses most of the 70% combined ceiling, the line may fall below the $50,000 minimum. In that case, a cash-out refinance or another structure may serve better, subject to lender guidelines.
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 does not lend directly. Program terms are subject to underwriting and can change.
Texas rewards the investor who sorts out homestead and rental status before choosing a loan.
Lendmire’s DSCR HELOC in Texas page presents the program for Texas landlords.
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
1. Texas A&M Real Estate Research Center: What to Know About Home Equity Loans in Texas
2. Texas Office of Consumer Credit Commissioner: Advisory Bulletins
3. Consumer Financial Protection Bureau: Regulation Z, Section 1026.3
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 Investing in Mortgage Notes? · How Much Can You Borrow on a DSCR HELOC After a First Mortgage Modification? · How Much Can You Borrow on a DSCR HELOC on That Property?
Guides: DSCR HELOC in Texas
Brandon Miller
Founder & CEO, Mortgage Loan Originator, Lendmire LLC
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- Lendmire LLC · Firm NMLS# 2371349 · Verify firm licensure
Compliance and disclosures. Lendmire (NMLS# 2371349) is a licensed mortgage broker and is not a direct lender, depository institution, financial advisor, or tax professional. Content in this article is general market analysis and educational information — not financial, legal, or tax advice for any specific situation. Lendmire does not guarantee loan approval; every transaction is subject to underwriting by the funding lender. Mortgage pricing and loan program guidelines are subject to change at any time without notice and vary by borrower characteristics, property type, and state regulations. Lendmire complies with Equal Housing Opportunity. Licensure verification: NMLS Consumer Access.