Super Jumbo DSCR Loans in Martha’s Vineyard — The Quick Read: Most Vineyard homes sell well above the conforming loan ceiling, which pushes nearly every purchase into jumbo or super jumbo, non-agency territory before financing terms are even discussed. A super jumbo DSCR loan is reviewed for the property on its rental income rather than the buyer’s traditional personal-income documentation, and on the Vineyard that income is almost always seasonal short-term rental income, not a year-round lease. Leverage steps down as the loan gets bigger, and the rental has to clear a coverage ratio the lender can actually document — not the number a peak July week might suggest.
Martha’s Vineyard doesn’t have a special mortgage category written into any rulebook. There’s no federal agency that defines “super jumbo” at all — it’s a term the non-QM and portfolio lending world uses informally, and every lender in that space sets its own cutoff. What’s not informal is the math: the Federal Housing Finance Agency set the 2026 baseline conforming loan limit at $832,750 for a one-unit property, with a high-cost ceiling of $1,249,125. On an island where the median single-family sale price sits at $1,695,000 and the average has climbed to $2,626,357 (Hagerty Real Estate), most acquisitions clear that ceiling before an offer is even signed.
DSCR Calculator
Run the numbers in your market
Rate source: Freddie Mac 30-yr average via FRED® — Federal Reserve Bank of St. Louis · effective Sep 17, 2026
Prefilled with local estimates — enter your own rent or nightly figures, taxes, insurance, and HOA for a more accurate picture.
Program parameters update from Lendmire’s centralized guideline source. Taxes and insurance are editable estimates.
As of Sep 17, 2026 · General Freddie Mac market benchmark, not a Lendmire loan offer. Rent, nightly rate, occupancy, taxes, and insurance are editable estimates. Short-term rental figures are estimates only and vary significantly by season, property type, management approach, and local short-term-rental rules — confirm local regulations before relying on them. Qualifying income for short-term rentals varies by program — some use appraisal market rent, others use documented STR history or projections — and is confirmed in underwriting. Not a Loan Estimate, approval, or commitment to lend. Program availability and eligibility are subject to lender guidelines, credit approval, property review, and underwriting.
That’s why the loan structure matters here more than in almost any other market. This isn’t a niche product for a handful of trophy estates — it’s the default financing path for a large share of Vineyard transactions.
What Actually Makes a Loan “Super Jumbo” Here
There’s no dollar line drawn by a regulator. A super jumbo DSCR loan is simply a business-purpose rental loan sized well past standard jumbo territory, qualified on the property’s income instead of the borrower’s. Across the wholesale network Lendmire places files through, the standard DSCR program runs to $3,000,000, and a dedicated ladder carries qualified investors up to $10,000,000 on a case-by-case basis above $4,000,000.
That’s a meaningfully different structure than a conventional jumbo loan, which still runs full income documentation and meets standard qualified-mortgage rules. A DSCR file skips personal income docs entirely. The lender is underwriting the rent, not the borrower’s traditional personal-income documentation — Lendmire’s complete DSCR loans guide walks through that mechanic in more depth if this is your first time looking at property-income underwriting.
Key Terms Defined
DSCR (debt-service coverage ratio): the property’s monthly rental income divided by its full monthly housing payment — principal, interest, taxes, insurance, and any HOA dues. A ratio at or above 1.00 means the rent covers the payment; below 1.00 means it doesn’t fully cover it on paper.
Business-purpose loan: a mortgage made to an investor for a rental or income property, not a home the borrower lives in. Because it’s business-purpose, it’s reviewed differently than a standard owner-occupied mortgage.
LTV (loan-to-value): the loan amount as a percentage of the property’s appraised value or purchase price, whichever is lower. Lower LTV means more cash down.
Seasoning: the amount of time a lender wants to see between one event and another — often between purchase and refinance, or between a credit event and a new loan application.
Form 1007: the appraisal attachment lenders use to pull a long-term market-rent estimate for a single-family investment property (Fannie Mae). It values the real estate, not the business income a short-term rental might produce.
How Underwriting Actually Treats a Vineyard Rental
The file starts with the property, not the person. Across the DSCR files placed through Lendmire’s network, qualification runs primarily on whether the rental income covers the payment, subject to lender guidelines — not on the buyer’s personal debt-to-income ratio.
Step one is the appraisal. On a standard long-term rental, the appraiser fills out Form 1007, which produces a market-rent figure based on comparable annual leases. That number treats the home as if it were rented out twelve months a year at a steady rate.
That’s a problem on the Vineyard, because most homes here aren’t leased that way. State housing data confirms just how unusual the Island’s stock is: 60% of housing units on Martha’s Vineyard and Nantucket are set aside for seasonal use, compared with 36% on Cape Cod and 13% in Berkshire County — no other region in the state tops 3.5% (Mass.gov). A long-term-lease comp is genuinely thin on the ground in some towns, which means the Form 1007 number often understates what a well-run seasonal rental actually earns.
That’s why most programs in the network layer in short-term-rental income documentation instead of leaning on the 1007 alone. On a refinance, the file uses twelve months of documented operating history — actual bookings, payout records, occupancy. On a purchase with no track record, the appraisal’s short-term-rent analysis fills the gap, typically discounted to a percentage of projected gross rent rather than taken at face value. Either way, the strongest files show a full year of numbers, because a full year captures both the summer peak and the quiet months — a partial season only shows the good part of the story.
The Loan Size Ladder: Leverage Steps Down as the Price Climbs
Leverage on a super jumbo DSCR file isn’t a flat number — it drops in stages as the loan amount rises, and the credit bar rises with it. This is the single biggest structural difference between a $600,000 mainland rental purchase and a $4,500,000 Vineyard waterfront file, and it’s worth knowing before an offer goes in.
| Loan Amount | Purchase LTV | Cash-Out LTV | Credit Floor |
|---|---|---|---|
| $150K–$1M | Up to 80% | Up to 75% | 660+ |
| $1M–$1.5M | Up to 75% | Up to 70% | 700+ |
| $1.5M–$2M | Up to 75% | Up to 60% (standard rental) | 720+ |
| $2M–$3M | Up to 75% | Up to 60% (standard rental) | 720+ |
| $3M–$4M | Up to 65% | No cash-out | 700+ |
| $4M–$10M | Up to 60%, reviewed case by case | No cash-out | 700+ |
A few things worth flagging in that table. Above $3,000,000, cash-out disappears entirely — those are purchase or rate-and-term files only. Above $4,000,000, every request gets reviewed individually before it’s even submitted; there’s no flat “up to” figure at that size, because reserves, the specific property, and the coverage ratio all factor into what a given lender will approve. Two full appraisals are typically required above $2,000,000, and reserve requirements run six months of the full housing payment on the subject property — twelve for a first-time investor — with no additional reserve stacking required for other financed properties in the portfolio.
Compare that against a mainland super jumbo file — Lendmire’s coverage of the Westlake market walks through how the same ladder plays out where long-term lease comps are actually plentiful.
What the Rental Actually Has to Earn
Coverage at 1.00 or better earns full leverage on the ladder above — the rent, as documented, matches or exceeds the full monthly payment. That’s the benchmark most standard programs are built around, because at that level the property is paying for itself.
Below that, select programs in the network will still consider a file with coverage in the 0.75 to 0.99 range up to $2,000,000, but leverage and terms adjust to compensate — this isn’t a workaround, it’s a different, more conservative structure, and it’s subject to underwriting on a file-by-file basis. No-ratio qualification — meaning no rent-to-payment test at all — is also available through select lenders in the network up to $2,000,000, but it comes with a seven-year clean housing history, no late payments in the past two years, and it’s never paired with the short-term-rental income path. There’s no published minimum ratio for a no-ratio file, and there shouldn’t be — it’s not a ratio-based product.
Short-term-rental files specifically need coverage of 1.00 or better and are capped at $2,000,000, with income counted at 80% of documented gross rent. That discount matters: a property that grosses well on paper during a strong summer still gets evaluated at a haircut, which is the lender’s way of building in a cushion for the slow months. Vacancy and expense factors on projected STR income commonly run in the range lenders in the broader market publish, and the same logic applies here — a lender wants to see the property clear its payment on an annualized basis, not just during the fourteen weeks that carry the whole season.
An investor who’s owned income property for at least twelve months of the last three years generally qualifies as an experienced STR borrower under this path; a first-time investor buying a seasonal rental faces a steeper reserve and documentation bar.
Where the General Rule Breaks
Zoning can shut the whole income model down before underwriting even starts. West Tisbury’s short-term rental bylaw, finalized after a town vote, requires registration, a two-night minimum stay, and — critically — that the owner live in the property at least 30 days a year while capping each owner to one short-term rental (Vineyard Gazette). A lender can’t count projected rental income on a property that the buyer’s actual use pattern would make illegal to rent commercially. Municipal permission has to be documented for that specific parcel — it’s never assumed just because a property sits on the Island.
Town posture varies a lot, too. Some towns have historically been more accommodating to vacation rentals than others, and that posture shifts — West Tisbury tightened its rules; other towns haven’t moved the same direction. That inconsistency means the same rental strategy that works on one side of the Island might not pencil, or might not even be legal, three towns over. Confirming the specific parcel’s registration status has to happen before a lender’s income underwriting can start — a rental projection is worth nothing if the town won’t permit the operating model.
Tax stacking eats into net cash flow in a way that doesn’t show up in the coverage ratio itself but matters to the investor’s real return. Short-term rentals on the Vineyard carry combined state and local occupancy taxes running roughly 9.7% to 11.7% depending on the town. That’s a business-planning number, not a lending number — a rental that clears coverage on gross rent can still run tighter than expected once taxes and operating costs are netted out.
DSCR vs. conventional financing
Two common ways to finance an investment property in this market. They qualify you differently — here’s how investors weigh them.
Why investors choose it
- Qualifies on the property’s rental income — no personal tax returns, W-2s, or pay stubs needed to document income.
- No personal debt-to-income ceiling to clear, so existing mortgages and obligations don’t cap your borrowing the same way.
- Can be closed in an LLC, keeping the property inside a business entity.
- Built for scaling — not held to the limit on number of financed properties that conventional financing applies.
- Underwriting centers on the deal: generally qualifies when the rent covers the payment, a 1.00x coverage ratio being a common baseline (confirmed in underwriting).
- Designed specifically for investment property, including long-term and, where the program allows, short-term rentals.
Where it’s strong
- Often the lowest ongoing financing cost for a buyer who fully qualifies on personal income — a fit for a first property or a cost-first purchase.
Trade-offs for investors
- Requires full personal income documentation and must fit within a debt-to-income limit — salary, existing debts, and other mortgages all count.
- Typically held in your personal name rather than a business entity.
- Caps how many financed properties you can carry, which can become a ceiling as a portfolio grows.
- Evaluates you as a borrower as much as the property, which usually means more paperwork.
How investors usually choose: a first or single property often optimizes for the lowest financing cost; portfolio builders often optimize for leverage, vesting in an LLC, and scaling past conventional caps. The right answer depends on your goals, the property, and current guidelines — both paths run through select lenders in Lendmire’s wholesale network, with eligibility and terms confirmed in underwriting.
And the appraisal comp pool itself gets distorted by how the Island transacts. A large share of Vineyard sales close in cash, which means fewer financed comparable sales exist to benchmark a large loan against — something worth flagging to an appraiser working a super jumbo file here.
What the Investor Decision Actually Looks Like
Run a scenario: an investor is looking at a Vineyard property priced in the $3,000,000 to $4,000,000 band, financed as a purchase with the intent to run it as a documented short-term rental. At that loan size, leverage on the ladder above tops out around 65%, and the credit floor sits at 700 with clean recent housing history. The rent, discounted to 80% of documented or appraised gross, needs to clear a coverage ratio at or above 1.00 to hit that leverage tier — if the discounted number lands lower, the file either needs a bigger down payment, a smaller loan amount, or a look at the reduced-leverage sub-1.00 path, subject to underwriting.
That’s the practical trade-off on nearly every Vineyard super jumbo file: the price point forces the loan size, the loan size sets the leverage ceiling, and the seasonal income pattern determines whether the coverage ratio clears the bar at that leverage or requires a structural adjustment. Files placed through this kind of network consistently show one pattern worth flagging: the properties that qualify cleanest are the ones with a full documented season or more of platform history behind them, not projections alone — an appraiser’s projection is a reasonable starting point on a purchase, but actual payout records carry more weight every time a refinance comes up.
Entity vesting is common on files like this — investors frequently hold Vineyard rentals in an LLC, and that’s supported through the network subject to program eligibility, without needing to layer multiple entities together.
With sale activity accelerating at the top of the market — twelve sales above $5,000,000 in the first half of 2026 compared with seven a year earlier, and six above $10,000,000 compared with one (Vineyard Gazette) — more of this market is moving directly into the size band where this structure is the only realistic non-cash path to close.
Interest-only structuring is worth a look for investors prioritizing cash flow during the ramp-up years: the network supports up to a 120-month interest-only period on 30- and 40-year terms, up to 75% leverage, on files with coverage of 0.75 or better, qualified against the interest-only payment rather than a fully amortizing one. That can meaningfully soften the coverage math on a seasonal property in its first year or two of operating history. These specifics are subject to lender guidelines and a full review of property, leverage, and credit.
Frequently Asked Questions
Does a Martha’s Vineyard rental need a full year of Airbnb history to qualify?
Not on a purchase — an appraiser’s short-term-rent analysis can substitute when there’s no operating history yet, typically discounted against gross projected rent. A refinance is generally stronger with a documented twelve months behind it, since it shows both the summer peak and the slow season rather than a partial snapshot.
Can the loan close in an LLC?
Entity vesting is commonly supported across the network, subject to program eligibility and lender review — investors don’t need to close in their personal name to use this structure.
What happens if the rental only clears coverage during the summer months?
Underwriting looks at annualized income, not peak-season income, so a property has to cover its payment across the full year on paper, not just during the strongest weeks. That’s part of why the discount applied to gross short-term-rental income exists in the first place.
Is short-term rental income counted the same way as long-term lease income?
No. Long-term rent comes from the appraiser’s Form 1007 market-rent estimate; short-term-rental income comes from documented operating history or the appraisal’s short-term analysis, typically counted at a percentage of gross rather than full face value.
Does town-level zoning affect whether the loan can close?
Yes, indirectly. A lender can’t count rental income the town won’t legally allow the buyer to collect, so confirming the specific property’s registration and residency requirements matters before the deal works forward — those rules are set locally and can change town to town.
If you’re weighing a purchase or refinance on a high-value rental and want to see how the leverage, credit, and coverage pieces fit together for your specific property, Lendmire can help you compare DSCR loan options based on the property’s income, your credit profile, and your investment goals. Reach the team at 828-256-2183 or request a quote directly.
Self-employed borrowers can compare both super jumbo programs on Lendmire’s self-employed mortgages page.
About Lendmire
As a non-QM mortgage broker (NMLS# 2371349), Lendmire facilitates DSCR investor loans across 40 markets, including Washington, D.C. DSCR eligibility is generally reviewed around property-level rental income instead of personal income documentation, subject to lender guidelines, serving LLC-structured portfolios and self-employed borrowers who don’t fit conventional boxes. A two-time Scotsman Guide Top Mortgage Workplace (2025, 2026).
Lendmire’s Top Mortgage Workplace recognition is documented by Scotsman Guide 2025 Top Mortgage Workplace and Scotsman Guide 2026 Top Mortgage Workplace.
Get Started
Ready to find the right loan for you?
In about 30 seconds you can review financing options available for your home or investment property. No commitment required.
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
2. Fannie Mae Form 1007 (official form PDF)
3. Mass.gov — What do we know about seasonal homes and short-term rentals?
4. Vineyard Gazette — Short-Term Rental Regulations Head to Town Meeting
5. Vineyard Gazette — Luxury Home Sales Push Island Real Estate Market to New Peaks
Brandon Miller
Founder & CEO, Mortgage Loan Originator, Lendmire LLC
- Mortgage Loan Originator · NMLS# 1129696 · Verify on NMLS Consumer Access
- North Carolina Real Estate Broker · License# 343312 · Verify on NCREC
- North Carolina Insurance Producer · License# 19053198 · Property, Casualty, Life, Health · Verify on NAIC SBS
- 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.
