The Quick Read: Usually yes, because a lower AirDNA number changes the coverage ratio on the file rather than ending it. The loan still works if the new, lower income clears the program’s coverage floor at the leverage you chose, though you may need a smaller loan, more cash down, or a different income method.
- A lower projection lowers qualifying income, which lowers the coverage ratio. It does not cancel the loan.
- Projections matter most on a purchase with no hosting history, because the projection or an appraiser’s short-term-rental analysis is the income.
- Operating rentals with real booking history are far less exposed, since documented actuals replace the model.
- Your levers are a lower loan amount, more down payment, a different income method, a renegotiated price, or walking away.
- Qualification stays subject to lender guidelines, credit review, and property review.
Why Does a Lower AirDNA Number Change the Loan?
Because the lender divides qualifying income by the full monthly obligation, and AirDNA is only one way to estimate that income. If the estimate falls, the ratio falls with it. The property, your credit, and your down payment have not changed. Only the numerator has.
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.
AirDNA is a model, not a fixed fact about the house. Its own help page says the Rentalizer tool builds revenue, nightly rate, and occupancy estimates from comparable active listings nearby, searching within a 10-mile radius. Change the comps or refresh the data and the answer can move. It can move up as easily as down.
That is why an offer priced on a screenshot is risky. The screenshot was a first estimate. Underwriting uses a dated report, an appraiser’s analysis, or documented history, depending on the file.
Short-term-rental files across a wholesale network of DSCR lenders typically qualify primarily on property-level rental income covering the payment, subject to lender guidelines. The fuller mechanics sit in Lendmire’s complete DSCR loans guide. This article covers the narrower case: the number moved after you were already under contract.
Key Terms Defined
DSCR (debt service coverage ratio): Qualifying rental income divided by the monthly obligation. Many select programs start at 1.00, and stronger ratios open better pricing and leverage.
PITIA: Principal, interest, taxes, insurance, and any association dues. It is the payment the income must cover.
Projection (AirDNA report): A modeled estimate of revenue, nightly rate, and occupancy from nearby comparable listings. It is a forecast, not a record of bookings.
Comp set: The group of nearby listings the model uses as comparisons. A weak or mismatched comp set produces a weak estimate. AirDNA shows a Comp Set Strength score of Low, Medium, or High. A low score means the comps vary, not that the data is wrong.
Form 1007: The long-term rent schedule an appraiser completes for a single-family investment property. Fannie Mae’s appraiser guidance describes it as the estimate of monthly market rent, which is why it measures lease rent rather than nightly income.
Which Number Does the Lender Actually Use, and When?
The lender uses whichever income evidence the program accepts for your file, and that evidence is ordered or reviewed after your offer, not before it. Your pre-offer screen is yours. Everything after it belongs to the lender’s process.
| Stage | Number in play | Who controls it | Can it change? |
|---|---|---|---|
| Offer | Your own AirDNA screen | You | Yes, freely |
| Application | Report or income method chosen | You and the broker | Yes |
| Appraisal | Value plus any rent or STR analysis | Appraiser | Yes, with new comps |
| Underwriting | Final qualifying income and ratio | Lender | Yes, ratio is re-run |
| Closing | Ratio on the final loan amount | Lender | Only if the file changes |
Purchases and refinances split here. A purchase has no operating history to document, so the file leans on a projection or an appraiser’s short-term-rental analysis. A refinance documents the real trailing twelve months. Most STR programs we place files with expect a 640 or higher score and about twelve months of hosting history on an operating rental. What stands in for history on a new purchase varies by lender.
Most programs also count only a portion of gross projected revenue, not all of it. The goal is to absorb vacancy swings and platform costs. How large the discount is differs by lender, so ask before you assume.
Why Does the Number Drop?
Some drops are real and some are artifacts. Telling them apart decides whether you fight the number or accept it.
Real causes:
- New listings entered the comp set and pulled averages down.
- A seasonal comparison replaced a peak-season snapshot. Annualizing a summer screenshot overstates a full year.
- Market softening shows up in occupancy or nightly rate.
Likely artifacts:
- The bedroom count, guest capacity, or amenities on the report do not match the property.
- The comp set is thin or loosely matched. Independent reviewers such as Awning note that property-level estimates are least reliable in markets with few listings.
- A data correction or fee-accounting change moved the output without any change on the ground.
An honest read is that models drift in both directions. A drop after your offer may partly be noise, and a rise could be too. Do not treat the higher number as the truth and the lower one as the error.
If you suspect an artifact, document it. Paid AirDNA plans allow custom comps, so a corrected pull can legitimately change the result.
What Does a Drop Do to the File?
It moves the ratio roughly in proportion to the income decline, while the payment stays put. These inputs are modeled assumptions, not market data. Picture a purchase at 75% LTV where the original projection supports coverage of about 1.25x. Final terms depend on the lender’s guidelines, the property type, and the borrower’s complete credit picture.
| Scenario | Income change | Approximate coverage | Read |
|---|---|---|---|
| Original projection | — | About 1.25x | Clears a 1.00 floor with cushion |
| Small drop | Down about 10% | About 1.12x | Still clears, thinner cushion |
| Moderate drop | Down about 20% | About 1.00x | Right at the floor |
| Large drop | Down about 30% | About 0.88x | Below the floor |
At the large-drop row, the file needs a change. Sub-1.00 coverage is available through select lenders in the network, with leverage and terms adjusted. It is not the default, and it usually means a smaller loan and stronger credit. Whether to use it is a separate question from whether it exists. If the only way a deal works is a sub-1.00 structure, that is a signal to re-examine the price.
One practitioner point deserves emphasis. Clearing 1.00 is not the same as positive cash flow. DSCR compares rent to the payment only. Repairs, vacancy, management, utilities, and capital reserves sit outside it. A file that barely clears the floor can still lose money, and short-term rentals carry more of those costs than long-term leases.
What Are Your Options?
Match the response to the size of the gap. Small gaps call for patience and bigger gaps call for structure changes.
| Drop size | First move | If that fails |
|---|---|---|
| Small | Re-run the ratio on the new number and proceed | Add modest cash down |
| Moderate | Check for an artifact and request a corrected re-pull | Reduce the loan amount |
| Large | Test the income method switch and renegotiate | Walk away |
Lower the loan amount. A smaller loan means a smaller payment, which raises the ratio. The lift is smaller than the leverage cut suggests, because taxes and insurance do not shrink with the loan. On purchases, most files land at 75% to 80% LTV on most long-term programs, and short-term-rental purchases top out at 75%. Stepping down a few points can fix a modest shortfall.
Add cash down. More equity lowers the payment and can lift the ratio. It never erases credit floors, reserve rules, or property eligibility, though. The strongest files clear both tests: enough equity and enough rental coverage.
Switch the income method. If the property has real bookings, documented history replaces the projection. If the appraiser’s analysis comes in stronger than the report, that may carry the file. A long-term rent appraisal is another fallback, but it often runs well below nightly income for a vacation-style property, which may leave the ratio short.
Renegotiate. A lower projection is evidence about value to an investor. Ask the seller for a price reduction or a credit. Lendmire’s piece How a DSCR Lender Sizes an Offer After the AirDNA Projection Drops goes deeper on the sizing side.
Change the product. Some long-term-rental programs ask only for lease-based rent. If the property fits that use, the short-term question may disappear. That is a strategy change, so make it deliberately.
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 Experience Shows: What Brokers See on These Files
On short-term-rental purchase files, the number that drifts most is the occupancy-and-rate mix, not the headline revenue. One tool can land near the right total revenue with the wrong split between occupancy and nightly rate, and a lender reviewing the file notices when the pieces do not hang together. Files that go smoothly usually carry a stress-tested ratio from the start, a documented explanation for any gap, and a backup income method already identified. Files that struggle were priced on a best-case screenshot with no room left.
How Do You Protect Yourself Before You Offer?
Model the deal on a number below the screen. Practitioners often discount a new operator’s first-year revenue because ramp-up is slow, and sites like Awning flag the thin-market margin of error. Those are opinions, not lending rules, but they point the right direction.
Use this checklist before you go under contract:
1. Run coverage at the screen number, then again with income 20% to 30% lower. If the deal fails the second test, price accordingly. 2. Read your financing and appraisal contingency dates against when the lender will order or re-run reports. 3. Ask whether the seller has real booking history. Documented actuals shield you from model drift. 4. Pull a full twelve months of data, not a peak-season snapshot. 5. Know your fallback: a lower loan amount, extra cash, or a long-term-rent route. 6. Confirm credit, reserves, and eligibility. Credit tiers typically run from a 620 floor in parts of the network, with most programs wanting around 660 and 700 or higher unlocking the strongest leverage. Reserves commonly run around six months of PITIA, with some conservative files waived and larger loans stepping higher.
Keep one point separate. A low appraisal and a low AirDNA report are different problems. An appraisal below the price is a value problem that leaves less equity at the chosen leverage. A low projection is an income problem. A file can hit both at once, and each has its own fix.
When Is It Time to Walk Away?
When the deal only works at the optimistic number. If a corrected re-pull still leaves coverage thin, the seller will not move on price, and you would have to stretch leverage or use a sub-1.00 structure just to proceed, the property is telling you something. Stepping away costs less than owning a rental that never covers itself.
Walk away, too, if the property cannot legally operate as a short-term rental. Income that cannot be used is not income. Also note that DSCR programs in the network do not cover manufactured homes, log homes, or barndominiums, so those are not offered no matter how the income reads.
Does the Drop Matter After Closing?
Generally not for the loan itself. Once the loan closes, the lender qualified the file on the documentation at that time, and later swings in revenue do not rewrite the terms. They do affect your actual returns and your next refinance. Lendmire’s article What Happens If Your DSCR Drops After Closing? covers that stage. If you refinance later, an operating rental documents off its real trailing twelve months, with short-term-rental refinances typically running around 70% LTV, and cash-out at 70% on short-term-rental collateral. That tends to be a firmer footing than a projection.
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.
Frequently Asked Questions
Will the lender re-pull the AirDNA report if my number drops?
Often a report that is stale or materially different gets refreshed before final underwriting, and the ratio is re-run on whatever number governs. Which version controls depends on the program and the income method on your file. Ask your broker which report is being used and when it was dated.
Is a low AirDNA report the same as a low appraisal?
No. A low report lowers qualifying income, while a low appraisal lowers the value the loan is sized against. The remedies differ, though both can push you toward more cash down or a smaller loan.
Can I switch to documented history if the seller has bookings?
Often yes, subject to program rules. Documented platform earnings or a property manager’s statement can replace a projection, and that makes a post-offer model drop largely irrelevant. Ask the seller early whether those records exist and can be shared.
Does a coverage ratio above 1.00 mean the property will make money?
No. The ratio compares rent to the payment only. Vacancy, repairs, management, utilities, and capital costs sit outside it, so a thin cushion can still mean negative cash flow once those are counted.
What if the drop leaves me just under the floor?
You have options before walking. A smaller loan, more down, a corrected comp set, or a different income method may close the gap. A sub-1.00 path is also available through select lenders in the network, with leverage and terms adjusted, but it carries tradeoffs worth weighing against simply repricing the deal. Everything remains subject to lender guidelines and credit approval.
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 arranging financing through select lenders in its wholesale network across 41 markets, including Washington, D.C., Lendmire can help you run the stressed version before you commit. Nothing here is a commitment to lend.
About Lendmire
Lendmire, NMLS# 2371349, is a non-QM mortgage broker serving real estate investors in 41 markets, including Washington, D.C., through DSCR investor loan programs. Qualification is generally reviewed around the subject property’s rental income, not the borrower’s W-2 history — a practical fit for LLC-titled portfolios and self-employed investors. All scenarios remain subject to lender review and program guidelines. Two consecutive Scotsman Guide Top Mortgage Workplace recognitions (2025, 2026).
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. AirDNA Help Center: Rentalizer Revenue Calculator
3. Fannie Mae Appraiser Update (Form 1007 guidance)
This article is part of Lendmire’s DSCR loan program — full qualification details, guidelines, and scenarios live on the program page.
Related reading: Individual DSCR Loans vs. a Blanket DSCR Loan for Three Airbnbs · How to Document Legal STR Use for Your First DSCR Loan · How a 40-Year DSCR Loan Works as a 1099 Contractor
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.