Short-Term Rentals and DSCR Loans: What Airbnb Investors Need to Know

DSCR loans are built on a simple idea: the property's income covers the debt. For long-term rentals, that math is straightforward: market rent divided by monthly payment. Done.

Short-term rentals make it more interesting. The income potential is higher, but lenders know that Airbnb revenue is less predictable than a 12-month lease. So they've built in adjustments. If you're buying or refinancing an STR property with a DSCR loan, understanding those adjustments is the difference between a deal that works and one that dies in underwriting.

STR income is treated differently

Lenders aren't naive. They know a beachfront Airbnb in Destin can gross twice what a long-term tenant would pay. They also know that same property might sit empty for three weeks in February.

To account for this volatility, most DSCR lenders apply an income factor, a percentage discount to the projected STR revenue. It's a haircut. The lender takes your projected income, multiplies it by their income factor, and uses that reduced number to calculate your DSCR.

A lender with a 90% income factor isn't saying your projections are wrong. They're saying "we'll believe 90% of this for underwriting purposes." That remaining 10% is their cushion against seasonality, vacancy, and the general unpredictability of short-term stays.

How STR income gets documented

For a long-term rental, income documentation is simple: the appraiser fills out a 1007 rent schedule estimating market rent. That's typically the only number that matters.

STR deals have more options, and which one your lender accepts changes your numbers:

• 1007 Rent Schedule: The appraiser's estimate of what the property would rent for as a long-term rental. Conservative. This is the fallback number and usually the lowest.
• AirDNA or similar projections: Third-party platforms that estimate STR revenue based on comparable properties in the market. Many lenders accept these as the basis for STR income, sometimes requiring a specific report format.
• Trailing 12-month actual income: If the property is already operating as an STR, some lenders will use the actual revenue from the past year. This is the gold standard. Real numbers beat projections every time.

The catch: your lender picks which method they accept, and they apply their income factor on top of it. A lender that uses AirDNA projections at 90% will produce a very different DSCR than one that uses the 1007 at 100%.

Always ask your lender two questions upfront: What income documentation do you accept for STR? And what income factor do you apply?

Income factors by lender: the numbers that matter

Not all lenders treat STR income the same way. The income factor varies, and so does the documentation method. Breakdown across common lender types:

Lender Type	STR Income Factor	Primary Income Source	Max LTV (STR)
Conservative lender	80%	1007 or AirDNA	75%
Middle-of-road lender	90%	AirDNA or trailing actuals	75%
Aggressive lender	100%	AirDNA or trailing actuals	80%

That spread from 80% to 100% might not look dramatic in a table. But when you run it through a real deal, the impact is measurable. Let's do exactly that.

Worked example: same property, three income factors

Take a property with these numbers:

Now watch what happens when different lenders apply their income factor:

Same property. Same projections. Same borrower. But the DSCR swings from 1.40 to 1.75 depending on the lender. That gap can mean 50–100+ basis points in rate difference. On a $300K loan, that's real money every month.

This is why shopping lenders matters more for STR deals than almost any other DSCR loan type. (Need to run your own numbers? Try the calculator.)

LTR vs. STR: a quick comparison

If you're weighing whether to rent long-term or short-term, or just trying to understand how lenders see each, here's the practical difference:

	Long-Term Rental	Short-Term Rental
Income source	1007 market rent (appraiser)	AirDNA projections / trailing actuals
Income factor	100% (typically)	80–100% (varies by lender)
Income stability	Predictable (12-month lease)	Variable (seasonal, market-dependent)
Income ceiling	Limited to market rent	Often 1.5-2x market rent or more
Lender comfort	High	Moderate, more scrutiny
Reserve requirements	2 months at 75% LTV	2-6 months (varies by LTV)

The short version: STR has a higher ceiling but a lower floor. Lenders price that uncertainty into the deal through income factors, LTV caps, and reserve requirements.

Lender overlays you need to know about

Beyond the income factor, many DSCR lenders add specific overlays for short-term rental properties. These vary by lender, but common ones include:

• Lower max LTV: Some lenders cap STR loans at 70-75% LTV instead of the 80% they'd offer on a long-term rental.
• Higher reserve requirements: Some lenders bump reserves for STR, especially at higher LTV. At 75% LTV, 2 months is typical for both LTR and STR. Push above 80% and it can climb to 6 months.
• Minimum DSCR floors: Some lenders set a higher minimum DSCR for STR (1.00 or 1.10 instead of the 0.75 they might accept on LTR).
• STR exclusion zones: A handful of lenders won't finance STR properties at all, or won't finance them in certain markets. Ask early.
• Operating history requirements: Some lenders want to see that the property (or the borrower) has STR operating history before they'll use STR income for qualification.

None of these are deal-killers on their own. But stacking a lower LTV cap with a conservative income factor and higher reserves can turn an otherwise great deal into one that doesn't pencil. Know the full picture before you're under contract.

The regulation question

Lenders pay attention to local STR regulations, probably more than you'd expect. Markets where short-term rental rules are changing, contested, or poorly enforced can get flagged during underwriting.

A property in a city that just banned new STR permits? That's going to be a problem. A property in a market where the city council is actively debating STR restrictions? That might slow things down or require additional documentation.

This doesn't mean you can't get a DSCR loan in a regulated STR market. It means you need to prove your property is compliant: current permit, proper licensing, no pending regulatory changes that would kill the income stream. Some lenders will require a copy of the STR permit as a loan condition.

Bottom line: if the city could pull your ability to operate as an STR next year, the lender wants to know about it. And honestly, so should you.

When STR DSCR loans work great

The best STR DSCR deals share a few characteristics:

• Established STR market with strong year-round demand (think: beach towns with shoulder seasons, mountain destinations, urban tourism hubs)
• Strong projected or actual income that produces a DSCR above 1.25 even after the income factor haircut
• Borrower has STR experience with a track record of operating Airbnbs makes lenders more comfortable and can open up better documentation options
• Stable local regulations with clear permitting that the property already has (or can easily obtain)
• Property type fits the market. A 4-bedroom house near Disney World checks out differently than a studio condo in a market with 40% STR vacancy

When it gets harder

Some deals are tougher to get across the line:

• New or untested STR markets where there isn't enough comparable data for reliable projections
• No operating history. If neither the property nor the borrower has an STR track record, lenders may default to the 1007 (long-term rent), which often kills the deal math
• Regulatory uncertainty in markets where STR rules are actively changing or under political pressure
• Heavily seasonal markets with very low off-season demand. Lenders look at annualized income, not just peak months. That ski cabin might gross $8K/month in January and $800 in July.
• Thin margins: if the deal only works at a 100% income factor with the most aggressive lender, one bad assumption and you're underwater on the payment

None of these mean "don't do the deal." They mean do the math with your eyes open, know which lender fits the scenario, and have a plan B if the Airbnb algorithm decides your listing needs some humility.

Run the numbers first

The single most useful thing you can do before buying an STR with a DSCR loan is model the deal at multiple income factors. If the property still works at 80% of projected income, you've got a solid deal that any lender will want. If it only works at 100%, you need to be honest with yourself about how much risk you're carrying.

Not sure where to start? The DSCR calculator will give you a quick read. And if you want to understand the underlying math, this breakdown of how DSCR is calculated covers the fundamentals.