The Quick Read: A DSCR lender sizes a rental refinance by capping the loan at the lower of two ceilings: a value ceiling (maximum LTV times appraised value) and a rent ceiling (the largest payment the property’s rent can carry at the coverage floor). Your personal income is part of neither. The ratio is monthly rent divided by the full monthly housing obligation: principal, interest, taxes, insurance, and association dues.
- Value ceiling: the maximum LTV times the appraised value. On a cash-out refinance on an investment property, that tops out around 75% LTV.
- Rent ceiling: the rent, divided by the coverage floor, sets the largest payment the property can support. That payment converts into a loan amount.
- The tighter ceiling wins. Extra equity cannot lift a rent-limited loan, and extra rent cannot lift a value-limited one.
- Qualification runs primarily on property-level rental income covering the payment, subject to lender guidelines. Credit, reserves, and the appraisal are still reviewed.
- Clearing 1.00 is not the same as positive cash flow.
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.
DSCR Cash-Out Calculator
Run the cash-out numbers in your market
Rate source: Freddie Mac 30-yr average via FRED® — Federal Reserve Bank of St. Louis · effective Oct 29, 2026
Prefilled with starting assumptions — enter your property’s value, balance, taxes, and insurance for a more accurate picture.
Program parameters update from Lendmire’s centralized guideline source. Taxes and insurance are editable estimates.
As of Oct 29, 2026 · General Freddie Mac market benchmark, not a Lendmire loan offer. Property value, balance, taxes, and insurance are editable estimates. Maximum loan-to-value varies by lender, program, property type, and seasoning. Not a Loan Estimate, approval, or commitment to lend. Program availability and eligibility are subject to lender guidelines, credit approval, property review, and underwriting.
What Does “Sizing” a DSCR Refinance Mean?
Sizing is the step where the lender decides the maximum loan amount. On a conventional refinance, your income and debts drive that number. On a DSCR refinance, the property drives it. Terms depend on the lender’s guidelines, the property type, the leverage, and a full review of the credit profile.
Two questions get answered. How much is the property worth, and how much of that value will the lender lend against? Then: how much monthly payment does the rent cover, and what loan does that payment support? Each question produces a ceiling. The loan can’t exceed either one.
Most investors only think about the first question. The second one is where files shrink. An equity-rich property with thin rent can come in well under its leverage cap. That surprises people.
Which Rent Does the Lender Use?
The lender uses the lower of the in-place lease rent and the appraiser’s market rent. A vacant property relies on the appraiser’s market rent alone. This is common practice across the network’s programs, not a federal rule, and details vary by lender.
The market-rent opinion comes from the appraisal. On a single-family rental, the appraiser documents it on Form 1007, the Single-Family Comparable Rent Schedule. Freddie Mac’s Form 1000 is the same schedule under a different form number, prepared by the appraiser as an attachment to the appraisal of a single-family investment property. Two- to four-unit properties use Form 1025, the Small Residential Income Property Appraisal Report. These are appraisal forms. They are not DSCR program rules, and they only supply the rent evidence.
Here’s the catch. If your lease is above the appraised market rent, the higher lease number usually gives no benefit. A unit leased at a premium to market is underwritten at the lower figure. Some lenders ask for proof of collection, like bank deposits or payment history, before they credit rent above the appraisal. Treat any “higher of” treatment as lender-specific, never as a default.
Below-market legacy leases cut the other way. A long-term tenant paying under market rent holds the number down, and the proceeds shrink with it.
How Is DSCR Calculated, and What Goes in PITIA?
For a one- to four-unit rental, DSCR is gross monthly rent divided by PITIA. PITIA is principal, interest, taxes, insurance, and association dues. The rent is counted before vacancy, management, or maintenance.
You will see another version online: net operating income divided by annual debt service. That is the commercial and textbook formula, and it belongs to larger buildings underwritten as commercial property. Some published posts mix the two. For a standard one- to four-unit refinance, use rent over PITIA. The commercial 1.25x convention doesn’t carry over to these residential files.
On a multi-unit property, the rents add up across units and get compared to a single PITIA.
Two mechanical points trip people up:
- Leaving out taxes or insurance. A loan amortization schedule shows only principal and interest. If the taxes, insurance, and dues are missing from the denominator, the ratio looks better than the lender’s version.
- Interest-only structures. Where a select lender in the network offers an interest-only period, the payment in the denominator is interest, taxes, insurance, and dues for that period. That lifts the coverage number without changing the rent.
Across the network, 1.00 is where 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.
Key Terms Defined
- DSCR: The ratio of qualifying monthly rent to the full monthly PITIA obligation.
- PITIA: Principal, interest, taxes, insurance, and association dues on the new loan.
- LTV: The loan amount divided by the property’s appraised value.
- Market rent: The appraiser’s opinion of what the property would rent for, built from comparable rentals.
- Seasoning: The ownership period a lender wants before it sizes off current value instead of cost.
How Does the Rent Ceiling Turn Into a Loan Amount?
The rent ceiling is a reverse-solve. You start with rent and work backward to a loan. The lender does the same arithmetic.
1. Take the rent used for lender review. Use the lower of lease rent and market rent.
2. Divide by the coverage floor. At a 1.00 floor, the rent itself is the largest total payment the property can carry. At a higher required ratio, the allowed payment is smaller.
3. Subtract taxes, insurance, and dues. What is left is the room for principal and interest.
4. Convert that payment into a balance. The lender applies a payment factor for the loan’s term and structure. A longer amortization, or an interest-only period, supports a larger balance on the same payment.
5. Compare it to the value ceiling. The lender takes the lower of the two loan amounts.
A bigger loan means a bigger payment against the same rent, so coverage falls as more cash is pulled out. Rent is small in the file but heavy in the result.
The calculator on this site is an illustrative, editable estimate. It converts these percentages and ratios into dollars, and it is not a quote.
How Does the Value Ceiling Work?
The value ceiling is the appraised value times the maximum LTV for the transaction. Across most of the network, a cash-out refinance on an investment property tops out around 75% LTV. Purchase leverage mostly lands at 75%–80% LTV on an investment property, and the rate-and-term refinance ceiling on an investment property reaches 85% in the verified program parameters. These are guideline ranges from select wholesale-network programs, subject to lender guidelines, credit, and property review.
Seasoning shapes which value counts. A recent purchase or renovation may be sized off cost instead of the new appraisal, and about 6 months of seasoning is the common expectation on cash-out. Files that assume seasoning away tend to get kicked back. For an all-cash buyer, delayed financing is a related lane, but program rules differ by lender.
The appraisal needs to hold up as well. If the as-is value comes in light, the value ceiling falls. On a low rent opinion, the usual remedy is an appraisal reconsideration request with specific comparable rentals. You can’t substitute your own rent research.
Which Ceiling Binds? A Side-by-Side
| Scenario | Value ceiling | Rent ceiling | Binding limit |
|---|---|---|---|
| Large equity, thin rent | High | Low | Rent |
| Strong rent, modest value | Low | High | Value (LTV) |
| Balanced file | Near rent ceiling | Near value ceiling | Either |
| Cash-out near the cap | At 75% LTV | Often tighter | Frequently rent |
Run the numbers on an investor holding a long-owned duplex with a large equity position and a below-market legacy lease. The value ceiling looks generous at 75% LTV on a cash-out. The rent ceiling, built from the lower lease figure, may sit well below it. The loan lands at the rent number, and no amount of extra equity changes that. The exact numbers vary by lender and program and follow a full review of property, leverage, and credit.
Now flip it. Picture a newer rental with strong market rent and a modest appraised value. The coverage ratio clears comfortably, but the LTV cap stops the loan first. Here the extra coverage helps with pricing and terms, not with proceeds.
This is a toss-up on some files. When the two ceilings sit close together, a small change in either the appraisal or the rent opinion decides which one binds.
Why Does a Cash-Out Change the Coverage Result?
A cash-out raises the loan balance, which raises the payment, while rent stays put. Coverage drops with every dollar pulled.
That makes cash-out a negotiation between two limits. Pull to the full leverage cap and the ratio may fall under what the program wants. Pull less and the ratio improves. A larger down payment on a purchase works the same way: it lowers the payment and can lift the ratio, but it never erases leverage caps, credit floors, reserve rules, or property eligibility. The strongest files clear both tests, enough equity and enough rental coverage.
Cash-out also isn’t all cash. The payoff of the existing loan, closing costs, reserves, and any prepayment charge come out first. Investors who size a project around gross proceeds get caught here.
For the refinance-versus-sell decision, see Lendmire’s piece How a DSCR Lender Sizes a Refinance Instead of a Rental Sale.
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.
Where the General Rule Breaks
Several edge cases move the rent number or the ceiling.
Vacant or between tenants. With no lease in place, the appraiser’s market rent is the only rent. That’s workable, but the lender can’t credit a lease you plan to sign.
Short-term rentals. The standard rent schedule wasn’t built for nightly stays. Fannie Mae’s appraiser update says the 1007 was not designed for single-family properties used as short-term rentals and cannot be used to estimate a nightly fee. Programs for short-term rentals use other income evidence. Across the network, expect leverage to step down: purchase to 75% LTV, rate-and-term refinance around 70%, and cash-out at 70% on short-term-rental collateral, versus 75% on a standard rental. Expect a 640+ score and about 12 months of hosting history. Coverage is 1.00 on purchases and refinances. 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. Final terms depend on the lender’s guidelines, the property type, and the borrower’s complete credit picture.
Multi-unit. Combined rent is compared to one PITIA. A vacant unit in a fourplex pulls the combined rent down, and it shows up in the ratio.
Coverage below 1.00. This path is available through select lenders in the network, with leverage and terms adjusted. It is a different path from the programs that start at 1.00, not a lower floor on the same program. No-ratio qualification is available only through select lenders, generally for borrowers who already own a primary residence.
Ineligible property types. Manufactured homes (single- and double-wide), log homes, and barndominiums are not offered through the network’s DSCR programs.
What Does the Lender Still Review If Not Your Income?
Personal income documentation typically drops out of a DSCR file. Much of the rest of the review still applies, and the file is still underwritten, subject to lender guidelines.
The lender reviews credit. A 620 floor exists in parts of the network, most programs want around 660, and 700+ unlocks the strongest leverage tiers. Reserves vary by lender, leverage, loan size, and transaction type. They commonly run around 6 months of PITIA. Conservative rate-and-term files at modest leverage under $1,500,000 can see reserves waived, and loans above that size typically step up to about 9 months.
Then come the appraisal, title, entity documents if the property sits in an LLC (subject to lender program eligibility), the current lease, the existing mortgage payoff, and tax, insurance, and HOA figures. Loan sizes run up to $3,000,000 on standard programs (smaller balances available through select lenders), and above $2,500,000 the network generally holds to 30-year fixed structures.
Tax-return strategy doesn’t shrink the figure the lender reviews, since depreciation and write-offs aren’t part of the rent-over-PITIA test. That is a practical reason self-employed and multi-property investors use these loans. Tax treatment varies; consult a qualified professional.
How Do You Raise the Loan Amount?
Match the lever to the ceiling that binds.
- If rent binds: Update below-market leases before the appraisal where the lease terms allow it. Request appraisal reconsideration with specific comparable rentals if the rent opinion is light. Consider a structure with an interest-only period, available through select lenders, to lower the payment. Pull less cash.
- If value binds: Improvements may support a higher appraised value, depending on comps and underwriter review. Seasoning can also change which value the lender uses. A modest equity paydown lowers the balance relative to value.
- If both bind: Ask which one gives first. The answer usually shows up in a draft calculation before the application, using full PITIA.
Run the ratio before you apply, with taxes, insurance, and dues in the denominator. It is the single habit that keeps files clean. For the full picture of how these loans fit together, see Lendmire’s complete DSCR loans guide.
Remember what the ratio doesn’t measure. DSCR compares rent to PITIA only. Repairs, vacancy, management, utilities, and capex sit outside it. A file that clears 1.00 is not necessarily producing positive cash flow.
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. Lendmire is a broker arranging DSCR investor loans through select lenders in its wholesale network, across 41 markets including Washington, D.C. Nothing here is a commitment to lend.
Frequently Asked Questions
Does a DSCR refinance look at my personal income at all?
Qualification runs primarily on property-level rental income covering the payment, subject to lender guidelines. Personal income documentation isn’t the basis for the loan amount. Credit score, reserves, the appraisal, and title still get reviewed, so the file isn’t undocumented.
What rent counts if my lease is higher than the appraiser’s number?
Lenders typically use the lower of the lease rent and the appraiser’s market rent. The higher lease figure usually gives no coverage benefit. Some lenders credit more with proof of collection, but that is lender-specific.
Why is my loan smaller than 75% of the property’s value?
The rent ceiling is probably tighter than the value ceiling. The rent can only carry a certain payment at the program’s coverage floor, and that payment supports a limited balance. Lowering the payment, raising the rent used for program review, or pulling less cash changes the result.
Does the appraisal’s rent schedule work for an Airbnb?
No. The standard single-family rent schedule wasn’t designed to estimate nightly fees. Short-term rental programs use different income evidence and generally step down leverage, with cash-out on short-term-rental collateral at 70% versus 75% on a standard rental.
Does clearing 1.00 mean the property cash flows?
No. The ratio counts rent against PITIA only. Vacancy, repairs, management, utilities, and capex aren’t in it, so a property can clear the test and still run thin after real operating costs.
About Lendmire
Lendmire, NMLS# 2371349, is a mortgage brokerage focused on investor financing, arranging DSCR loans in 40 states plus Washington, D.C. — 41 markets total. Qualification is based on the property’s income rather than personal income documentation, subject to lender guidelines, making it a fit for LLC-held rentals and scaling portfolios. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.
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References
1. Freddie Mac Form 1000 (Single-Family Comparable Rent Schedule)
2. Fannie Mae Appraiser Update
This article is part of Lendmire’s DSCR loan program — full qualification details, guidelines, and scenarios live on the program page.
Related reading: How to Close a DSCR Refinance on a BRRRR After a Low Rent Schedule · DSCR Cash-Out Refinance vs Leaving Two Loans in Place on a Rental · How a DSCR Lender Calculates Loan-to-Value on a Rental
Brandon Miller
Founder & CEO, Mortgage Loan Originator, Lendmire LLC
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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.