Short-term rental financing has become one of the most active niches in the DSCR lending market. Investors who can generate $3,000-$6,000 per month in projected Airbnb income on a property where long-term rent might be $1,800 need a lender who will underwrite the actual income the property produces — not a generic long-term market rent figure that undervalues the asset. DSCR programs built for STR investors solve this problem. The qualification approach is different, the requirements are more specific, and the markets where it works well versus poorly vary significantly. This guide covers all of it.

For full program details, see our short-term rental DSCR loan programs and DSCR loan requirements.

How Lenders Underwrite STR Income for DSCR

The fundamental challenge with short-term rental DSCR loans is that STR income is variable — it fluctuates by season, occupancy rate, and market conditions — while a DSCR loan is underwritten on a projected monthly income figure. Lenders solve this through one of three approaches, and understanding which your lender uses matters for how you structure your application.

Approach 1: Short-Term Rental Appraisal (Most Common)

The most widely used approach for STR DSCR qualification is a specialized appraisal that includes a short-term rental income schedule. The appraiser — using data from AirDNA, VRBO/Airbnb market analytics, and comparable STR properties in the area — produces an estimated annual gross STR income figure. The lender then typically applies a vacancy/expense factor (often using 50-70% of gross projected income) to arrive at a qualifying monthly income figure, which is divided by the monthly PITIA payment to produce the DSCR ratio.

This approach allows the property’s actual STR income potential to drive the DSCR calculation rather than capping it at long-term market rent. It’s the method that makes STR DSCR financing meaningful — without it, a strong Airbnb property in Sedona or Breckenridge might not qualify at its purchase price under a standard long-term rent approach.

Approach 2: AirDNA Market Rent Approach

Some lenders use AirDNA data directly rather than requiring a full specialized appraisal. AirDNA provides granular market-level STR revenue data by property type, location, and season. Lenders using this approach pull the AirDNA projected revenue figure for the subject property type and apply their program’s income factor to arrive at a qualifying income number. This approach is faster (no specialized appraisal required) but less common, as many lenders prefer the more formal appraisal-supported income figure.

Approach 3: Actual STR Lease / Operating History

For properties that are already operating as short-term rentals with documented income history, some lenders will use actual historical STR revenue rather than a projected figure. Typically 12-24 months of STR income documentation is required. This approach is most favorable when the property has a strong operating track record and is being refinanced (rather than purchased), but it requires the property to already be in operation as a compliant STR.

STR DSCR Down Payment and Reserve Requirements

Short-term rental DSCR loans typically carry modestly higher requirements than standard long-term rental DSCR programs, reflecting the income variability associated with STR revenue:

Down payment: Most STR DSCR programs require 25-30% down, compared to 20-25% for standard long-term rental DSCR loans. Some programs allow 20% down for strong borrower profiles with high credit scores and DSCR ratios well above 1.25.
Reserves: 12 months PITIA reserves are commonly required for STR DSCR loans, versus 6 months for many standard programs. The higher reserve requirement accounts for seasonal income variability — an STR property may have high summer income but slower winter months, and lenders want to see sufficient reserves to cover lean periods.
Credit score: Same general tiers as standard DSCR (620 minimum, 680+ for best pricing), though some lenders require 660 or 680 minimum for STR-designated properties.

Markets Where STR DSCR Is Easiest to Qualify

Not all markets are equal for STR DSCR financing. The easiest markets share several characteristics: strong year-round or multi-season demand, permissive local STR regulatory environments, and a deep pool of comparable STR properties that supports robust AirDNA data and clean appraisals.

Best STR DSCR Markets

Myrtle Beach, SC and the Grand Strand: One of the most STR-permissive coastal markets in the country. High visitor volumes, accessible purchase prices, and a well-established STR ecosystem make this one of the cleanest STR DSCR underwriting environments. See our DSCR loans in South Carolina guide.
Scottsdale and Phoenix, AZ: Strong year-round demand, warm weather, major events calendar (Barrett-Jackson, WM Phoenix Open, spring training). STR permitting required but framework is manageable. See our DSCR loans in Arizona guide.
Breckenridge and Colorado mountain markets: Ski season plus summer hiking/outdoor recreation creates multi-season demand. High nightly rates support strong projected income figures. STR licensing required; HOA compliance is a due diligence item. See our DSCR loans in Colorado guide.
Gatlinburg and Pigeon Forge, TN: Tennessee mountain resort markets with high STR volumes, permissive regulatory environments outside of Nashville, and strong year-round tourism from the Great Smoky Mountains National Park — the most visited national park in the country. See our DSCR loans in Tennessee guide.
Florida coastal markets (outside Miami/South Beach): Destin, 30A, Panama City Beach, and the Treasure Coast have active STR markets with established appraisal comparables and generally permissive permitting frameworks.
Sedona and Flagstaff, AZ: Premium nightly rates driven by distinctive landscapes and year-round tourism. STR licensing required and enforced; compliance due diligence important before closing.

Markets Where STR DSCR Is Hardest to Qualify

Some markets create significant challenges for STR DSCR qualification — either because local regulations restrict or prohibit STR activity (making projected STR income unavailable for DSCR purposes), or because the regulatory environment is uncertain enough that lenders will not accept STR income in the calculation.

Most Challenging STR DSCR Markets

Nashville, TN: Nashville’s owner-occupancy requirement for non-owner STR permits means most investment property purchases in residential zones cannot operate as non-owner STRs legally. Lenders will not use projected STR income for DSCR qualification if the property cannot obtain a compliant non-owner STR permit. For Nashville DSCR investors, long-term rental income is typically the underwriting basis. See our DSCR loans in Tennessee guide for the full STR regulatory detail.
New York City: Local Law 18, which took effect in 2023, effectively banned most short-term rentals by requiring hosts to be present during guest stays and limiting bookings to two guests at a time. The practical effect is that investment properties in NYC cannot generate meaningful STR income that lenders would accept for DSCR purposes.
San Francisco, CA: Owner-occupancy requirement similar to Nashville. Non-owner-occupied STRs are heavily restricted. Lenders generally will not underwrite STR income for SF investment properties.
Denver, CO: Denver’s residential STR license requires owner-occupancy. Investment properties in most Denver residential zones cannot obtain STR licenses and cannot use STR income for DSCR qualification. See our DSCR loans in Colorado guide.
Hoboken, NJ: Effectively prohibited STR in most residential zones. Not a viable STR DSCR market. See our DSCR loans in New Jersey guide.
Aspen and some mountain HOA communities, CO: HOA restrictions may prohibit STR regardless of municipal permits. Due diligence on governing documents is essential before any mountain resort acquisition premised on STR income.

Confirming STR Eligibility Before Application

Before submitting a DSCR application with STR income as the qualification basis, confirm three things:

Local regulatory compliance: Does the municipality permit non-owner-occupied STRs in the property’s zone? Is a license or permit available for the property type and zone? What are the specific requirements (registration, safety inspections, occupancy limits)?
HOA compliance: Does the HOA governing documents permit short-term rentals? Many HOA communities — particularly condo associations and gated communities — restrict or prohibit STR activity regardless of local ordinances. Review CC&Rs before closing.
Lender program acceptance: Does your specific lender accept STR income for DSCR qualification in this market? Some lenders have approved STR market lists; others evaluate on a case-by-case basis. Confirm this before incurring appraisal costs.

The STR Appraisal: What Investors Should Know

The STR appraisal is the lynchpin of the qualification process for most STR DSCR loans. A few important practical points:

Cost: STR appraisals are more expensive than standard appraisals — typically $500-$900 versus $400-$600 for a standard residential appraisal — because they require the appraiser to analyze STR comparable income data in addition to the standard property valuation.
AirDNA data quality varies by market: In high-volume STR markets with many comparable properties (Breckenridge, Myrtle Beach, Scottsdale), AirDNA data is dense and appraisers can produce robust income estimates. In thinner markets with few STR comparables, projected income figures may be lower or harder to support, which affects the DSCR calculation.
Conservative vs. gross income figure: The appraisal typically produces a gross annual income estimate, and lenders apply their own income factor (often 50-70% of gross) to arrive at qualifying income. Understand your lender’s income factor before relying on a projected gross income figure to calculate DSCR.
Property must be STR-eligible at time of appraisal: If the property is not yet licensed or permitted as an STR, the appraiser will note this. Some lenders will proceed on projected income for properties that are in the process of obtaining a permit; others require confirmed licensing before ordering the appraisal.

Long-Term Rent Fallback: When STR Income Isn’t Accepted

For properties in markets where STR income cannot be used — due to regulatory restrictions or lender policy — some properties still qualify under long-term market rent. This is the fallback underwriting approach: what would this property rent for on an annual lease? If the long-term market rent produces a qualifying DSCR ratio at the target purchase price and loan amount, the loan works regardless of STR restrictions.

For many investors, the math doesn’t work in this direction — a Nashville property priced for STR income potential often doesn’t produce a qualifying DSCR on long-term market rent. That’s the rational signal to look at more STR-permissive markets rather than force a deal that doesn’t underwrite. The markets listed in the “easiest” section above are specifically those where STR income is both achievable and lender-accepted.

Ready to Finance Your STR Property?

Use our DSCR calculator to model your projected STR income scenario, then submit your deal for review and our Capital Desk will confirm lender acceptance in your specific market and walk through the STR appraisal process. All financing is subject to underwriting approval and program eligibility.

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DSCR Loan for Short-Term Rental: Airbnb, VRBO, and Vacation Property Financing