Short-term rentals (STRs) have evolved from a niche investment strategy to a sustainable, institutionalized asset class. What hasn’t evolved at the same pace is how much lenders and valuation teams are approaching STR revenue risk. As investors become more sophisticated and DSCR (Debt Service Coverage Ratio) lending continues to grow, assessment has shifted from a back-office requirement to a central risk management mechanism, especially for income-driven lending.
I run a private lending department and have personally invested in STRs for years, and I have seen this disconnect play out repeatedly. STR income does not behave like traditional rental income; yet it is often evaluated using tools and assumptions designed for long-term leases. When overnight pricing, seasonality, operational intensity, and regulatory exposure come into play, the old assessment playbook begins to dissolve.
Why STR and DSCR loans are forcing lenders to rethink their underwriting policies
At its core, DSCR lending asks a simple question: Can the property support its own debt? Many lenders require a DSCR of at least 1.1, which equates to $1,100 in income for every $1,000 in expenses. But rising taxes, insurance and operating costs can quickly break this calculus if income assumptions are misaligned.
Unlike long-term rentals, which rely on relatively stable market rents, STR’s performance is driven by fluctuating occupancy rates, dynamic pricing and active management decisions. When managed properly, STRs can outperform traditional rental properties, but only if revenues are analyzed through a lens that takes into account seasonality, demand factors and operational complexity.
This is why experienced STR investors often focus less on today’s interest rates and more on tomorrow’s cash flow. Many will accept higher rates if the income is sustainable, the assumptions are realistic and the valuation reflects real-world performance rather than theoretical rent. Remember, we date the rate, but we marry the asset. This becomes even more the case when we use the asset for certain tax benefits.
STRs are not rentals; they run businesses
An STR can best be understood as a catering business that operates within a residential structure. Revenue is determined by seasonality, local tourism patterns, events, management strategy, cleaning revenue, platform performance and regulatory restrictions. A mountain cabin, beach condo, and urban townhouse may share similar square footage, but their income profiles can be radically different.
These realities cannot be captured using tools designed for long-term rental properties – and this is where appraisal risk often comes into the picture and lenders get into trouble.
Why Appraisal Form 1007 Doesn’t Work for STR Loans
Valuation Form 1007 is intended solely for estimating long-term monthly market rents. It assumes a stable occupancy and a stable income, mainly driven by the real estate itself. STR revenues, on the other hand, are determined by the business community.
Nightly pricing strategies, seasonal demand fluctuations, event-driven peaks, marketing effectiveness, guest reviews, competition, management costs, cleaning costs and local regulations all impact STR revenues, and none of these variables can be accurately developed or reported in Form 1007.
Fannie Mae policy leaders have been explicit on this point: Form 1007 is not intended to support short-term rental income. When appraisers are asked to distort or reuse the form for STR analysis, they are encouraged to reject the assignment as this would result in a misleading valuation. State appraisal boards have strengthened this position through enforcement actions and formal guidance for both appraisers and AMCs.
Even in private lending and non-QM channels, the purpose of a valuation form remains unchanged. Using Form 1007 for STR income poses compliance risks and often distorts DSCR calculations, creating artificially low ratios that do not reflect actual operating performance.
What competent STR appraisers do instead
Experienced STR appraisers rely on a clearly labeled narrative addendum – often titled “Short-Term Rental Projected Income Analysis.” This format enables revenue development using STR-specific data, including market-supported occupancy rates, seasonal pricing patterns, comparable STR performance, and transparent cost assumptions.
Consistency does not come from forcing STR revenues into incompatible forms. It comes from clear engagement expectations and valuation methodologies that align with the way these properties actually operate.
How Lenders Can Reduce STR Appraisal Risk
The risk in STR and DSCR loans tends to concentrate in predictable areas. Lenders can significantly reduce exposure by clearly stating in engagement letters that STR income will be analyzed using a narrative addendum instead of Form 1007, by stress testing income assumptions for seasonality and occupancy volatility, and by working with appraisers who have real experience with STR markets and non-QM loans.
The assessment should function as a risk management tool and not as a procedural check box. And while the asset’s valuation by a qualified appraiser is essential, STR income can come from alternative sources.
Why UAD 3.6 raises the stakes
UAD 3.6 will retire outdated assessment forms, including Form 1007, and replace them with standardized data structures. Narrative addenda will remain essential to supporting STR revenues, making early preparation and clearer guidance from lenders more important than ever.
With over 2.5 million STRs and a market capitalization expected to reach $81.6 billion by 2033, STRs are big business and need to be valued correctly, both in terms of assets and revenues. Lenders that continue to rely on outdated workflows risk falling behind – operationally, competitively and from a compliance perspective.
The bottom line
Short-term renting is not the same as long-term renting, and pretending this isn’t the case introduces unnecessary risks. Assessment Form 1007 cannot and should not be used to support STR revenues. Lenders that modernize their valuation approach, deepen STR proficiency and treat valuation as a strategic asset will be best positioned to succeed as DSCR and investor lending continue to scale.
The reality of changing narratives is not only more accurate, but in most cases it will also help increase deal production for STRs. Lenders that adapt are poised to take control of this lucrative market.
Michael Tedesco is executive vice president of private lending at Class Valuation
This column does not necessarily reflect the opinion of HousingWire’s editorial staff and its owners. To contact the editor responsible for this piece: [email protected].
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