The Quick Read: A DSCR lender counts the revenue figure it supports at underwriting, not the number you ran when you made your offer, then trims it with its own factor and divides it by the full monthly obligation, so a lower report flows straight into a lower coverage ratio. A drop does not end the deal on its own. What matters is how much cushion the file had.
- Your pre-offer projection is not your underwriting. The lender’s number is the one that counts.
- Coverage is qualifying income divided by PITIA (principal, interest, taxes, insurance, and any HOA dues).
- A moderate drop can often be absorbed with a smaller loan or a different income basis.
- Documented booking history, where it exists, can replace a projection entirely.
- Test the deal at both the short-term figure and the long-term rent figure before you waive contingencies.
Key Terms Defined
AirDNA projection: A revenue estimate built from comparable listings nearby, not from verified bookings at your address.
Qualifying income: The rental income figure a lender accepts for the coverage test, after any trim.
Coverage ratio (DSCR): Qualifying income divided by the full monthly obligation. Lenders review it against a program floor.
Haircut: The percentage a lender removes from gross revenue to absorb vacancy swings and platform fees.
Form 1007 and Form 1025: The appraiser’s rent schedule for a single-family property and the operating income statement for a 2-4 unit property.
As-is basis: Underwriting the property as it stands today, not as it might perform after renovation.
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 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.
Why Does the Number Move After You Make an Offer?
The number moves because the report is a snapshot of a comparable set, and that set keeps changing. Listings get added, delisted, and re-priced. AirDNA’s own walkthrough describes its address-level estimator as ranking comparable properties by similarity, so the comp set drives the headline figure. Change the comps and you change the output.
Nothing locks your offer-stage figure in place. The coverage figure is whatever the program accepts when the file is reviewed. Across the wholesale network Lendmire works with, the report you ran to write the offer is treated as your own homework. It helps you price the deal. It does not bind a lender.
| Stage | Who pulls the number | What can change |
|---|---|---|
| Before the offer | You | Nothing binds the lender |
| Application | Lender or its accepted vendor | Fresh comp set |
| Underwriting | Lender, often re-validated | Comps, occupancy, ADR mix |
| Appraisal | Appraiser | Rent schedule or STR addendum |
The step where a lender re-validates a report varies by program, so treat the middle rows as typical rather than universal.
How Does the Lender Convert the New Number?
The lender picks an evidence path, trims the revenue, and divides by the full payment. The steps run in a predictable order, even though each program sets its own details.
1. Choose the evidence. A purchase with no history typically relies on an accepted market-data report or an appraiser’s short-term analysis. An operating property or refinance leans on trailing platform or manager statements. The fallback is the appraiser’s long-term rent.
2. Trim the revenue. Programs commonly reduce gross short-term revenue before dividing. The trim absorbs vacancy swings and platform fees. Actual history is often trimmed less than a third-party projection, and some programs apply one factor to either. Ask which treatment your file gets.
3. Divide by PITIA. The ratio is qualifying income over the full monthly obligation. It is rent against payment only. Repairs, management, utilities, and capex sit outside it.
4. Check the appraisal. If the appraiser also supplies a short-term analysis, a lender may lean on the lower of the two figures.
5. Compare to the program floor. On short-term rental purchases, coverage of 1.00 is where select programs start. Refinances carry their own 1.00 floor. Stronger coverage opens better pricing and leverage.
A lower report simply feeds step three with a smaller numerator. There is no judgment call hidden in the arithmetic. Lendmire’s piece What Counts As Short Term Rental Income For A Lender? covers the evidence hierarchy in more depth.
Worked Example: Same Property, Before and After
Run the numbers on a modeled file. The ratios below are illustrative assumptions, not market data. Say your offer-stage review pencils to about 1.25x on the lender’s trimmed income. The payment, taxes, and insurance do not move. Only the report moves.
| Revenue drop | Coverage after | Read |
|---|---|---|
| — | About 1.25x | Clears a 1.00 floor with cushion |
| 15% | About 1.06x | Clears, thin cushion |
| 20% | About 1.00x | Right at the floor |
| 30% | About 0.88x | Below the floor |
The arithmetic is plain. Coverage scales with income, so a 20% revenue drop multiplies 1.25x by 0.80. That lands exactly on 1.00x.
Now the loan-size math. At 0.88x, the monthly obligation has to fall by roughly one-eighth to restore 1.00x. A smaller loan helps, but not one-for-one. Taxes and insurance do not shrink when the balance does, so the loan has to come down by a bit more than one-eighth. That means a larger down payment, or a lower price if the seller agrees.
A price cut alone fixes less than people expect. It only helps to the extent it shrinks the loan, and the smaller loan only helps to the extent it shrinks the payment. Taxes and insurance stay put.
Triage: How Big a Drop Can the File Absorb?
Sort the outcome by size of drop. The thresholds depend on your starting cushion, which is why the pre-offer coverage number matters more than the headline projection.
| Outcome | What it means | Next move |
|---|---|---|
| Still clears the floor | Coverage holds on the lower income | Proceed, keep the cushion note |
| Clears with a smaller loan | Leverage must come down | Price the larger down payment |
| Falls short | Income basis cannot carry the loan | Restructure, switch basis, or exit |
On a purchase, short-term rental programs in the network typically reach up to 75% LTV, with refinance leverage around 70%. A score of 640 or higher and about 12 months of hosting history are commonly expected on the refinance side. Those caps do not rise to meet a shortfall. A bigger down payment can lift coverage, 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.
Levers That Work and Levers That Don’t
Some moves change the coverage ratio. Others only feel productive.
| Lever | Moves coverage? | Why |
|---|---|---|
| Larger down payment | Yes | Shrinks the payment |
| Extended term or interest-only | Yes | Lowers the monthly obligation |
| Switch to long-term rent basis | Sometimes | Lower start, usually less trimming |
| Add documented booking history | Yes, if it exists | Replaces the projection |
| Seller price cut | Only via loan size | Taxes and insurance stay put |
| Rerunning your own report | No | Lender holds its own number |
Extended terms of 40 years and interest-only periods are available through select lenders in the network, and each comes with its own pricing and leverage adjustments. Coverage below 1.00 is a separate path. It is available through select lenders in the network, with leverage and terms adjusted. A lender would review that path on its own merits, subject to credit approval and property review.
Pause on that last one. A sub-1.00 structure is worth asking about only if the property has a story that justifies the thinner current coverage. If the investor is reaching for it because the deal stopped working at the lower number, that is a signal to re-examine the deal, not the loan type. This is a genuine toss-up for some investors, because a thin-coverage loan on a strong location can be reasonable while the same loan on a marginal one is not.
Where the General Rule Breaks
The standard sequence has real exceptions. These are the ones that change the answer.
Operating properties and refinances. Actual payouts, not a projection, carry the file. A later dip in the AirDNA figure matters much less when twelve months of platform statements sit in the file. One catch: a seller’s history may not transfer to a new buyer’s file, so do not assume it will.
Thin and rural markets. The comp pool is small, so a single listing change can swing the estimate. BNBCalc’s review reports property-level estimates drifting by 15-30% in thin markets. That is reviewer opinion, not a lender rule, but it explains why large post-offer moves cluster in small markets.
Market data versus property data. VaultSTR’s review describes market-level figures as strong and property-level projections as shakier. That fits what a broker sees. A projection can match total revenue and still carry the wrong mix of occupancy and nightly rate. A matching total can hide a bad assumption.
A drop can run the other way. Some investors find the tool understates a well-run listing. A lower report does not always mean a weaker property.
The appraisal can cap the outcome. Class Valuation explains that Form 1007 is built around a traditional lease and cannot support short-term income, which is why it recommends a narrative addendum. A lender leaning on 1007 for a short-term property often produces a lower ratio than the property earns. For a 2-4 unit property, the operating form is 1025.
Fallback to long-term rent. If the short-term report fails program requirements, the file may fall back to market rent. That figure is usually trimmed less, but it starts lower.
Local rules. 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.
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.
Before Your Deadlines
Protect yourself before the report is re-pulled, not after. The deal works on the lender’s timeline, and your contract deadlines may not match it.
- Keep the financing and appraisal contingencies in place until the lender confirms which income basis applies.
- Ask which income basis the program uses for your file: projection, history, or appraiser rent.
- Ask what trim applies to that basis, and whether a fresh pull replaces the earlier one.
- Ask what coverage the lender’s own number produces at your contract price, not at the projection.
- Run the deal on both the short-term figure and the long-term rent figure.
- Keep any pricing-lock and contract deadlines aligned with the underwriting steps.
A short script helps with both sides. To the loan officer: show me the coverage on your figure, and show me the same file on market rent. To the seller: the lender’s income number came in lower, and I need to know whether you will adjust price or terms. Many sellers respond better to a documented shortfall than to a general complaint.
One practitioner pattern deserves a mention. Files that fall apart late usually had a thin cushion from the start. The investor underwrote the property at the raw projection, the lender trimmed it, and nothing was left. Investors who test the deal at the trimmed number and the long-term rent figure before the offer rarely face a surprise. The ones who skip that test often find out at underwriting.
Common Mistakes
Treating your report as the lender’s report. They are separate documents built for separate purposes.
Confusing clearing 1.00 with positive cash flow. Coverage compares rent to PITIA only. Repairs, vacancy, management, utilities, and capex sit outside it.
Assuming a price cut fixes the ratio. It helps only through the loan size and the resulting payment.
Waiving contingencies at the projection. Test the cushion at the contract price on the lender’s number first.
Assuming every lender treats short-term income alike. The network’s range is wide enough that a file weak under one program can fit another.
Quoting the pre-offer coverage to the seller as settled. It is an estimate until the lender confirms the basis.
Frequently Asked Questions
Can I use my own AirDNA report for the loan?
Usually not as the deciding number. A lender relies on the report it pulls or accepts under its program, because it needs control over the comp set and the date. Your own report is still useful for pricing the offer and for conversations with the loan officer.
Does a drop kill my loan?
Not necessarily. A small drop may leave coverage above the program floor. A moderate one can often be handled with a smaller loan or a different income basis. A large drop may leave the short-term basis unable to carry the loan, which points to restructuring or a different program.
Can the lender re-run the report?
Many programs re-validate the figure during review, and comps can change between your offer and that review. The exact step varies by program, so ask the loan officer what the file will use and when.
Does a lower purchase price fix the coverage?
Only partly. A lower price shrinks the loan, which lowers the payment, but taxes and insurance do not fall with it. The larger lever is usually more down payment or a longer term. Leverage caps still apply, so a price cut cannot lift an over-leveraged file past them.
What if the property already has booking history?
Documented history can replace a projection. Programs commonly look for about 12 months of platform or manager statements, and actual history is often trimmed less than a third-party estimate. That can make a later AirDNA dip far less important.
Next Step
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. As a mortgage broker with DSCR programs in 41 markets, including Washington, D.C., Lendmire arranges financing through select lenders in its wholesale network, subject to lender guidelines and not as a commitment to lend. Tax treatment can depend on how the funds are used and how the property is held; investors should keep clear records and speak with a qualified tax professional before relying on any deduction. Lendmire’s complete DSCR loans guide walks through the full qualification picture.
The next time a projection moves between offer and underwriting, remember that the cushion you built before the offer decides how much the move costs you.
For current guidelines and terms, see Lendmire’s DSCR loan programs page.
About Lendmire
Lendmire is a non-QM mortgage brokerage (NMLS# 2371349) arranging DSCR investor loans in 41 markets, including Washington, D.C. DSCR eligibility is generally reviewed around property-level rental income rather than personal income, subject to lender and program guidelines, a fit for self-employed investors and LLC-owned portfolios. Lendmire was recognized as a Scotsman Guide Top Mortgage Workplace in 2025 and 2026.
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References
1. AirDNA, How to Analyze a Short-Term Rental
4. Class Valuation, Appraisal Form 1007 and Short-Term Rentals
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 Choose a DSCR Lender That Actually Closes · DSCR Cashout Refinance · How to Get a DSCR Loan From Application to Closing
Brandon Miller
Founder & CEO, Mortgage Loan Originator, Lendmire LLC
- Mortgage Loan Originator · NMLS# 1129696 · Verify on NMLS Consumer Access
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- North Carolina Insurance Producer · License# 19053198 · Property, Casualty, Life, Health · Verify on NAIC SBS
- Lendmire LLC · Firm NMLS# 2371349 · Verify firm licensure
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.