The Quick Read: A 10-unit building is valued and underwritten differently from a one-to-four unit rental, because the appraiser builds an income analysis and the lender looks hard at operating expenses before judging coverage. Appraisal and expenses are linked, because the expense figure drives value, loan size, and the coverage ratio together.
- An appraisal is required, and it sets both value and market rent.
- Residential appraisal forms stop at four units, so a 10-unit building gets an income-approach report.
- Many programs at this size subtract operating expenses first, then test coverage.
- Lenders re-underwrite the seller’s expense numbers rather than accept them.
- Clearing the coverage floor does not mean the building produces positive cash flow.
Many investors hear “DSCR” and picture rent divided by a mortgage payment. That is how many one-to-four unit programs work. Ten doors changes the picture. This article walks through what the appraiser does, which expenses count, and how one expense assumption moves three numbers at once. For the broader product, see Lendmire’s complete DSCR loans guide.
DSCR Calculator
Run the numbers in your market
Rate source: Freddie Mac 30-yr average via FRED® — Federal Reserve Bank of St. Louis · effective Oct 22, 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 22, 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.
Key Terms Defined
DSCR (debt service coverage ratio): the property’s income divided by its debt payments, tested against a program minimum.
NOI (net operating income): rental income after vacancy and operating expenses, before debt payments.
PITIA: principal, interest, taxes, insurance, and association dues, the full monthly obligation on the loan.
Debt service: the loan payments the income must cover.
Cap rate: NOI divided by property value, used to turn income into a price.
Rent roll: a unit-by-unit list of tenants, rents, and lease terms.
Trailing expenses: the building’s actual operating costs over a recent period.
Does a 10-Unit DSCR Loan Require an Appraisal?
Yes. Across the wholesale network Lendmire works with, a purchase or refinance on a 10-unit building comes with an appraisal that establishes value and market rent. Value feeds the loan-to-value (LTV) limit. Rent feeds the coverage test. Both must work, subject to lender guidelines.
LTV is the loan amount as a percentage of the property’s value. Typical purchase leverage on investment property runs 75%-80% LTV. Cash-out refinances top out around 75% LTV. Select lenders may differ at this building size, so the exact limit is confirmed per program. Exact terms depend on the lender’s guidelines, property type, leverage, and a full review of the borrower’s file.
Why a 10-Unit Building Is Appraised Differently
Residential appraisal forms are built for small buildings. Fannie Mae’s Selling Guide describes Form 1025 as the report for two- to four-unit properties. The form itself has unit sections that run only through Unit #4. A 10-unit building cannot be reported on it. DSCR lenders borrow the 1025 and the 1007 rent schedule as form names, but these are not agency loans.
So the appraiser writes an income-approach report. Market rents set gross potential income. A vacancy allowance comes off. Operating expenses come off next. What remains is NOI. The appraiser then divides NOI by a market cap rate drawn from comparable income-property sales. Sales comps still appear, mostly to support that cap rate.
| Factor | 1-4 units | 10 units |
|---|---|---|
| Valuation method | Sales comparison | Income approach |
| Appraisal report | Residential form | Narrative income report |
| Coverage test | Often rent vs PITIA | Often NOI vs debt service |
| Expense treatment | Taxes, insurance, dues | Full operating expenses |
| Key documents | Lease, rent schedule | Rent roll, operating statements |
Not every program at this size uses NOI. Some keep the small-building method of rent divided by PITIA. Others subtract expenses first. Confirm the formula before you fall in love with a building.
How Underwriting Treats the Coverage Math
The bank-regulator definition is clear. An OCC/OTS examination handbook defines DSCR for income property as NOI divided by total debt service, with NOI defined as property income net of operating expenses. Bank guidance is not a DSCR-loan rule. It does show why the NOI method is the common language for larger buildings.
Here is the sequence on a typical 10-unit file:
1. Classify the property. At 10 units it goes to a program built for 5-10 unit or commercial-style multifamily.
2. Gather documents. Expect a rent roll, leases, operating statements, and insurance and tax records.
3. Order the appraisal. The appraiser builds market rent, vacancy, expenses, NOI, and value.
4. Re-underwrite expenses. The lender normalizes the seller’s numbers.
5. Compute coverage. NOI divided by annual debt service, compared with the program minimum.
6. Size the loan. The loan is the lesser of the LTV limit and the amount at which coverage meets the floor.
Step six is where investors get surprised. A building can have plenty of equity and still be limited by coverage. It can also have strong coverage and be limited by LTV. The strongest files clear both tests.
Here is a coverage floor reality check. A 1.00 ratio is where many select programs start, and stronger ratios open better pricing and leverage. A separate select-lender path takes coverage below 1.00 with leverage and terms adjusted. Which one fits your building depends on the program, so ask early.
The Expense Requirements, Line by Line
Expect the underwriter to build expenses from the ground up. PropertyMetrics lists operating expenses as property taxes, insurance, management, maintenance, utilities, and similar costs. It excludes debt service and depreciation.
| Expense | Typical evidence | Common treatment |
|---|---|---|
| Property taxes | Tax bill | May reset to purchase price |
| Insurance | Current quote | Lender uses the quote |
| Management | Contract or none | Often imputed if self-managed |
| Repairs and maintenance | Trailing records | Normalized, not seller’s figure |
| Owner-paid utilities | Utility bills | Included in full |
| Replacement reserves | Program guideline | Deducted by some, not others |
A few of these deserve a closer look.
Taxes. The seller’s current tax bill may understate the underwritten figure, because taxes can reset at the purchase price. Budget for that before you submit an offer.
Management. Self-managed buildings still tend to get a management fee in the underwriting. Your labor is not free to the lender. Treat this as a common practice, not a universal one.
Replacement reserves. Textbook NOI excludes capital expenditures. Many lenders still include a reserve line when sizing debt. Ask whether your program does.
Seller pro formas. Sellers and brokers often show only the obvious expenses. Lenders recompute. Plan on your own number being higher than the listing’s.
A Worked 10-Unit Example
These inputs are modeled assumptions, not market data. Picture a 10-unit building where the rent roll supports a strong gross rent figure. After a vacancy allowance and a full expense load, NOI lands at a level that covers annual debt service at roughly 1.15x.
Now rerun the same building with the seller’s lighter expense figures. Coverage looks closer to 1.35x. Same bricks, same tenants, different expense assumption.
Then add the value side. The appraiser divides NOI by the cap rate. A lower NOI means a lower value. A lower value shrinks the LTV-based loan amount. A smaller loan carries less debt service, which nudges coverage back up, but the purchase price still needs to be supported.
A simple illustration of the cap rate effect: at an 8% cap rate, each additional $1 of annual NOI adds about $12.50 of value, since 1 divided by 0.08 is 12.5. That is arithmetic, not a market claim. It shows why an expense dispute is really a value dispute.
This is the feedback loop that defines 10-unit files. Expenses set NOI. NOI sets value. Value sets the loan. The loan sets debt service. Debt service sets coverage.
One more pattern from the file desk. On buildings this size, the file usually goes sideways on expenses, not on rent. Investors who bring twelve months of actual operating statements, utility bills, and tax and insurance documents tend to have far fewer surprises than those who arrive with a seller’s summary sheet.
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 the Appraisal Process Looks Like
The lender orders the appraisal, often through an appraisal management company, and the borrower pays the fee. Narrative income appraisals generally cost more and take more time than a residential form, so confirm cost and timing with your program.
The sequence runs like this:
1. The lender orders the report and the appraiser schedules an inspection.
2. The appraiser tours units, checks condition, and collects the rent roll and operating statements.
3. The report arrives with market rent, vacancy, expenses, NOI, and value.
4. Some files get a second review of the valuation.
5. The lender compares the result against LTV and coverage limits.
Document Checklist for the Appraiser and Underwriter
- Current rent roll with unit, tenant, rent, and lease end dates
- Copies of leases
- Trailing operating statements
- Utility bills for owner-paid services
- Current tax bill and insurance quote
- Repair and capital expenditure history
- Any management agreement
- Details on any commercial or mixed-use space
Edge Cases Where the General Rule Bends
Lease versus market rent. On small buildings, lenders commonly use the lower of lease or market rent. On a 10-unit building, in-place rents are tested against the appraiser’s market rents and history. The mechanics differ by program.
Vacancy. A mostly vacant or heavily rehabbed building is a poor fit for this kind of loan. Ask what the lender counts as rent-ready.
Ineligible property types. Manufactured homes, log homes, and barndominiums are not offered through these DSCR programs.
When the Appraisal Comes In Low
A low value or low rent estimate hurts in different ways. Low value reduces the loan under the LTV limit. Low rent lowers NOI and coverage. Your options, in rough order:
1. Request a reconsideration of value with documented expense history, rent evidence, and additional comps.
2. Renegotiate the price with the seller.
3. Bring more cash to the closing table.
4. Ask whether a different program in the network fits better, such as one with adjusted leverage or terms.
5. Walk away. Sometimes that is the right answer.
More cash down lowers the debt and can lift coverage. It does not erase leverage caps, credit floors, reserve rules, or property eligibility. Most programs want credit scores around 660, a 620 floor exists in parts of the network, and 700+ unlocks the strongest leverage tiers. Reserves commonly run around 6 months of PITIA, stepping up to about 9 months above $1,500,000, and vary by lender and file. Standard programs reach $3,000,000. All of this is subject to lender guidelines and individual underwriting, and none of it is a commitment to lend.
If you are comparing this with bigger balances, Lendmire’s piece on super jumbo DSCR requirements for a 5-to-10-unit building covers that side. For a different angle, see whether a five-unit building can qualify for a DSCR blanket loan.
Passing DSCR Is Not Positive Cash Flow
Clearing the coverage floor means income covers the debt. It does not mean the building pays you. Capital expenditures, reserves, and turnover costs can sit outside the ratio, depending on the program. Even a ratio built on NOI leaves out items like major repairs.
Many investors treat the lender’s NOI as their own budget. Don’t. Build a separate cash-flow model with your own repair and vacancy assumptions. Tax treatment varies; consult a qualified professional.
Frequently Asked Questions
Is an appraisal ever waived on a 10-unit DSCR loan?
Count on one. A building this size is valued on income, and the appraisal also establishes market rent. Lighter valuation products are generally a small-building matter, and any exception is program-specific.
Which rent figure does the lender use?
It depends on the program. The appraiser estimates market rent, and the lender tests that against your in-place rent roll. Expect the rent roll to be checked against market rents and history rather than taken at face value.
Do expenses reduce my ratio?
On NOI-based programs, yes. Operating expenses come off before the coverage test, so the ratio is usually lower than a simple rent-over-payment calculation. Some programs keep the small-building method, so confirm which one applies.
Is a 10-unit building appraised like a fourplex?
No. A fourplex can be reported on a residential form and valued mainly on sales comps. A 10-unit building gets an income-approach report, where value flows from NOI and a cap rate.
What if some units are vacant?
Vacancy lowers NOI and can lower value. Rent-ready units are treated more favorably than units needing work. Programs differ on how many vacant units they allow, so ask before you contract.
For current guidelines and terms, see Lendmire’s DSCR loan programs page.
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.
If you are buying or refinancing a rental property and want to see how the numbers work, Lendmire can help you compare DSCR loan options based on the property income, credit profile, leverage, and investor goals.
Get Started
Ready to find the right loan for you?
In about 30 seconds you can review financing options available for your 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
1. Fannie Mae Selling Guide B4-1.2-01
3. PropertyMetrics: Net Operating Income
This article is part of Lendmire’s DSCR loan program — full qualification details, guidelines, and scenarios live on the program page.
Related reading: Blanket DSCR Loan Requirements for Two Investment Properties · Fix and Flip Loan Requirements for an Airbnb With a DSCR Exit · DSCR Cash-Out Appraisal and Lease Requirements for a Rental House
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
Disclosures. The information presented in this article is general market commentary, not financial, legal, or tax advice. Lendmire is a mortgage brokerage (NMLS# 2371349) — not a direct lender or depository institution — and loan placement is subject to lender underwriting. Nothing in this content represents a commitment to lend. Loan terms, pricing, and program availability vary based on borrower qualifications, property characteristics, and state of subject property, and are subject to change at any time. Lendmire complies with Equal Housing Opportunity requirements. Consumer access: nmlsconsumeraccess.org.