The Quick Read: A building of up to four units can sit inside a super jumbo DSCR portfolio on the super jumbo leverage ladder, qualified on rent covering the payment. A building of five or more units is usually underwritten on net operating income and often needs a separate multifamily or term-loan product, subject to lender guidelines and underwriting. The unit count picks the path. The rent roll sets the coverage number.
- Four units or fewer: coverage is typically gross rent against the full monthly obligation, and the size ladder below applies.
- Five units or more: coverage is typically net operating income against debt service, and the file often moves to a different product.
- Leverage steps down as the loan grows: on a purchase of an investment property, the ceiling is 80% up to $1,000,000 and 75% up to $3,000,000, subject to underwriting.
- Reserves and appraisals: 6 months of reserves on the subject property (12 for first-time investors), and two appraisals above $2,000,000.
- Thin coverage is the usual failure point, not credit: coverage from 0.75 to 0.99 is a real path through select programs to $2,000,000, with LTV and terms adjusted, subject to underwriting.
Key Terms Defined
Small apartment building: a multi-unit rental building that is too big to be a house and too small to be a large complex. In loan files the working range is two to ten units.
Super jumbo: a trade label for very large loan balances. No regulator defines it, and each lender draws the line in a different place.
DSCR (debt service coverage ratio): income from the property divided by the payment the property must carry. A ratio of 1.00 means rent just covers the obligation.
NOI (net operating income): rent and other property income after vacancy and operating costs, before debt service.
PITIA: principal, interest, taxes, insurance and association dues, the full monthly obligation on the subject property.
ITIA: the same obligation on an interest-only loan, where no principal is included.
Rent roll: a unit-by-unit schedule of tenants, rents, lease dates and deposits.
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Rate source: Freddie Mac 30-yr average via FRED® — Federal Reserve Bank of St. Louis · effective Oct 15, 2026
Prefilled with starting assumptions — 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 Oct 15, 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.
Where Does a Small Apartment Building Fit on the Super Jumbo Ladder?
Buildings of one to four units fit the super jumbo ladder. Buildings of five or more units generally do not, and they run through a different product. The ladder is built for 1-4 unit investment property, so the first question on any file is the unit count.
That makes a fourplex the natural addition for most large-balance investors. It carries the same program rules as a house, and it adds four doors to the pool. A five-unit building is a different file. Lenders treat it as commercial or small-balance multifamily, and the rules on income, appraisal and documents change with it.
Across the wholesale network, a few lenders extend into five to ten units, some only inside a term-loan or portfolio product, and some not at all. Whether a given 5-10 unit building can be placed depends on the investor profile, the property, the program and current lender guidelines. Lendmire’s comparison of a super jumbo term loan against multiple DSCR pools covers the structure side of that choice. The complete DSCR loans guide covers the basics.
How Does Underwriting Treat the Building, Step by Step?
Underwriting treats the building in six steps: classify it, measure income, collect documents, appraise it, test the borrower, and fit it to the loan size. The first step decides most of the rest.
1. Classify the building. One to four units is a residential investment property. Five or more is commercial or small-balance multifamily. Every later step follows from this fork.
2. Measure the income. On one to four units, coverage is usually gross rent over PITIA. On five or more, lenders commonly use NOI over debt service. A federal bank-exam handbook defines DSCR the same way: NOI divided by total debt service, with NOI as income net of operating expenses. Vacancy, management, maintenance and owner-paid utilities come out first. The same building therefore shows a lower ratio on NOI than on gross rent.
3. Collect the documents. A fourplex file usually runs on leases or a market-rent schedule. A five-plus file wants the rent roll, the leases, trailing operating statements and an expense history. The personal income stays out of the file. The property paperwork gets heavier.
4. Appraise the building. Small buildings get a residential-style appraisal built on comparable sales and a rent schedule. Five-plus buildings move into commercial territory, where appraisal guidance points to income and cap-rate valuation. The value has to support the loan at the leverage requested.
5. Test the borrower. On the super jumbo ladder the file looks at credit, reserves, entity vesting and the number of financed properties, up to 20. Entity vesting is accepted, subject to program terms, with no layered entities. DSCR files qualify primarily on property-level rental income covering the payment, subject to lender guidelines.
6. Fit the loan size. The loan amount, not the purchase price, sets the leverage band. Multiply price by the leverage you want, then read the band that loan lands in.
What Changes at Five Units?
Five units changes the income measure, the appraisal method, the document load and often the product itself. The table shows the differences in one place.
| Factor | 2-4 units | 5+ units |
|---|---|---|
| Classification | Residential investment | Commercial or small-balance multifamily |
| Income measure | Gross rent over PITIA | NOI over debt service |
| Valuation | Comparable sales plus rent schedule | Income and cap rate |
| Documents | Leases or market rent | Rent roll, leases, trailing statements |
| Super jumbo ladder | Applies | Usually a separate product |
The practical effect is that a five-unit building with the same gross rent per door as a fourplex will usually show thinner coverage. Expenses are subtracted before the ratio is run. Many investors miss this because the rent looks the same on paper.
What Does the Math Look Like Run Both Ways?
Run one building through both methods and the ratio drops once expenses come out. The numbers below are illustrative ratios, not market data.
Picture a building where gross rent covers the full monthly obligation at roughly 1.3x. That is a comfortable number on a gross-rent test. Now take out an allowance for vacancy, a management cost, maintenance and owner-paid utilities. Coverage on NOI might land near 1.05x. Same building, same loan, a quarter-turn lower.
An owner who self-manages still sees a management cost applied by the underwriter. Skipping that line in your own pre-offer math is a common reason a coverage number falls apart in review.
Now push the same building lower. If NOI coverage lands in the 0.75 to 0.99 range, select programs in the network will look at it up to $2,000,000, but LTV and terms adjust, subject to underwriting. That is a real path, not a guarantee, and it costs leverage.
How Does Super Jumbo Sizing Change the File?
Leverage falls as the loan balance rises, and the credit and reserve demands rise with it. The table reads by loan amount at a DSCR of 1.00 or higher. Every figure is a ceiling through select wholesale programs, subject to underwriting.
| Loan amount | Purchase | Rate-term | Cash-out |
|---|---|---|---|
| $150K-$1M | 80% | 80% | 75% |
| $1M-$1.5M | 75% | 75% | 70% |
| $1.5M-$2M | 75% | 75% | 60% |
| $2M-$3M | 75% | 75% | 60% |
| $3M-$4M | 65% | 65% | — |
| $4M-$6M | 60% on review | 60% on review | — |
| $6M-$10M | 60% on review | 60% on review | — |
All figures apply to investment property. The score each top cell needs is a separate matter from the program floor. The floor is 660 on loans to $3,000,000 and 700 above $3,000,000. The top cell from $150,000 to $1,000,000 needs 660 or higher. From $1,000,000 to $1,500,000 it needs 700 or higher. From $1,500,000 to $3,000,000 it needs 720 or higher. Above $3,000,000 it needs 700 or higher. A lower score takes a lower leverage cell in the same band.
Above $3,000,000 the overlay adds more. It requires a clean housing history with 0x30x24, 48 months of seasoning after a credit event, citizens and permanent residents only, no rural property, and no more than ten acres on a non-rural property. Above $4,000,000 every request is reviewed case by case before submission, purchase or rate-and-term only.
Two items matter for a building purchase. Above $2,000,000 the file needs two appraisals, and a small building with a thin comp set can produce two different opinions. Reserves run 6 months of PITIA on the subject property, or 12 for first-time investors, with no extra reserves for the other financed properties. A cash-out refinance never satisfies the reserve requirement above $3,000,000. Each figure is subject to lender guidelines and a complete review of property type, leverage, and credit.
Interest-only is available for a 120-month period on 30- and 40-year terms, to 75% maximum, with coverage of 0.75 or better, qualified on ITIA. For a building with a light first year, that runway can give coverage room while the rents are brought up to market.
DSCR vs. conventional financing
There are two common ways to finance an investment property, and 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.
What Does the New Building Do to the Rest of the Portfolio?
On most files a new building does not change the coverage on loans you already hold. Each loan is tested on its own property, and the new building gets its own note. Existing loans stay as they are.
The exceptions are structures that pool collateral. A blanket or cross-collateralized structure tests the combined income against the combined debt service, so one weak building drags the whole number. A single building with thin coverage is easier to handle as its own loan than as a pool member. That matters if you may want to exit one building later, because a standalone note can be sold or refinanced without touching the rest of the portfolio.
Concentration is the real portfolio risk. A multi-unit building can become a large share of your total income and your total debt. If one building holds a big slice of the rent roll, a vacancy spike there moves the whole picture. This is a judgment call, not a lender rule, but it is worth sizing before the offer goes in. The network allows up to 20 financed properties, so there is room on the count. The question is how much of your income one asset should carry.
Where Does the General Rule Break?
The unit-count rule has named exceptions. Most come from the property, a few from the borrower.
Mixed-use buildings. Ground-floor retail under apartments is treated differently from pure residential. Some programs restrict it or leave it out. Check the property type before the contract is signed.
Unstabilized buildings. A building with low occupancy, deferred rehab or an unclear rent roll is a bridge candidate, not a DSCR candidate. Coverage depends on income that is not yet there. Finance the stabilization first, then move to the DSCR loan.
Seller-reported income. The underwriter rebuilds NOI from the documents. Laundry income, month-to-month leases and below-market leases are often discounted. A seller package that overstates income does not carry through.
Owner occupancy. 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. Under the federal business-purpose rule, credit to buy or improve non-owner-occupied rental property is treated as business purpose regardless of the number of units. That treatment does not apply if you expect to occupy the property for more than 14 days in the coming year.
Rural and acreage. Above $3,000,000: no rural property, and no more than ten acres on a non-rural one. On loans to $3,000,000, rural collateral of five acres or less is allowed to 75%.
Short-term rental income. If a building will run partly as short-term rentals, the file needs documented operating history and a documented local permission for that specific property. 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. Those files stop at $2,000,000.
What Should You Check Before Making an Offer?
Run the building through the lender’s math before the offer, not after. A short list covers most of the preventable gaps.
- Audit the rent roll. Match each rent to a lease. Flag month-to-month tenants and below-market rents.
- Rebuild expenses. Replace the seller’s expense figures with your own, including management, vacancy and repairs.
- Check who pays utilities. Owner-paid utilities come off income and cut coverage. Master-metered buildings show this most.
- Confirm the unit count and type. A legal count that differs from the listing can move the file to another product.
- Size the loan band. Multiply price by target leverage and read the band, so you know the reserve, credit and appraisal demands.
- Set up the entity. Have the formation documents and operating agreement ready, with no layered ownership.
- Plan reserves. Document 6 months of PITIA on the subject property, or 12 as a first-time investor.
Common Mistakes on These Files
- Running the pre-offer math on gross rent when the building will be tested on NOI.
- Counting the seller’s expenses instead of rebuilding them.
- Assuming a five-unit building fits the same ladder as a fourplex.
- Using a purchase price instead of the loan amount to read the leverage band.
- Leaving out a management cost because you self-manage.
- Buying a half-vacant building and expecting a stabilized-rent loan.
- Forgetting that cash-out proceeds do not count toward reserves on the largest loans.
Frequently Asked Questions
Can I add a building with five or more units to a super jumbo DSCR portfolio?
Usually not on the same ladder. The super jumbo program is built for one to four units, and a five-to-ten unit building generally moves to a separate multifamily or term-loan product. Some lenders in the network place larger buildings and some do not, so the answer depends on the property, your profile and current guidelines, subject to underwriting.
Does a new building drag down coverage on the loans I already have?
Not on most files. Each loan is tested on its own property, so a new note does not change your existing coverage. The exception is a blanket or cross-collateralized structure, where combined income is measured against combined debt service. Fitting the new building into an old note usually means a new structure, so most investors keep it as its own loan.
What is the difference between a fourplex and a five-unit building?
Mostly classification. A fourplex is a residential investment property with gross-rent coverage and the standard ladder. A five-unit building is commercial or small-balance multifamily, with NOI-based coverage, income-method appraisal and a heavier document set. The extra door also changes which product the lender will use.
What documents will I need?
For one to four units, expect leases or a market-rent schedule, the entity documents, insurance, and proof of reserves. For five or more, add a unit-by-unit rent roll, trailing operating statements and an expense history. Above $2,000,000 the file also carries two appraisals. Personal income documents are not the center of the file on a property-income program.
What if the building is partly vacant?
It lowers the income the underwriter will count, and it can lower coverage below 1.00. Select programs review coverage from 0.75 to 0.99 up to $2,000,000 at reduced leverage, and interest-only to 75% can add room. A building with heavy vacancy or rehab needs is usually a bridge-loan candidate first, then a DSCR refinance once the rents are in place.
Getting the Numbers Right on the Next Building
If you are buying or refinancing a high-balance rental property and want to see how the numbers work, Lendmire can help you compare super jumbo DSCR loan options based on the property income, the loan balance, credit profile, leverage and investor goals. Lendmire is a broker that arranges business-purpose financing through select lenders in its wholesale network, across 40 states and Washington, D.C., which makes 41 markets. Call 828-256-2183 or request a quote to start a file review. Program details change, every file is underwritten individually, and nothing here is a commitment to lend.
The five-unit line is where most large-balance investors decide whether a building is an easy addition or a new loan structure, and the rent roll settles it before the lender ever does.
For current guidelines and terms, see Lendmire’s super jumbo DSCR loan programs page.
Lendmire’s self-employed mortgages page presents both super jumbo programs, bank statement and DSCR, side by side.
About Lendmire
Lendmire (NMLS# 2371349) is a DSCR-focused mortgage broker that helps arrange investor financing across 41 markets, including Washington, D.C., through wholesale and investor-lending channels. DSCR eligibility is generally reviewed by the lender around the property’s rental income rather than personal income documentation, subject to lender guidelines, which works for self-employed investors, LLC operators, and portfolios above four financed properties. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.
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References
1. Income property lending handbook section, DSCR and NOI definitions (OCC-hosted)
This article is part of Lendmire’s super jumbo DSCR loan program — full qualification details, guidelines, and scenarios live on the program page.
Related reading: How to Refinance a Family Office Rental Portfolio on Super Jumbo DSCR · Can a Luxury 5-to-10-Unit Building Get a Super Jumbo DSCR Loan? · Can You Sell Part of a Five-Year Super Jumbo DSCR Portfolio?
Brandon Miller
Founder & CEO, Mortgage Loan Originator, Lendmire LLC
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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.