STR vs LTR

Short-term vs long-term rental analysis

Same property, two very different outcomes. Underlytix models short-term and long-term rental strategies side by side — cash flow, financeability, and risk — so you know which one to underwrite, or whether to pass.

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WHY IT MATTERS

The strategy changes the deal, not just the income

A property can cash-flow beautifully as a short-term rental and barely break even as a long-term hold — or the reverse. But higher STR income comes with higher expenses, more volatility, regulatory exposure, and different lender treatment. Choosing the wrong strategy doesn’t just lower returns; it can make the deal unfinanceable. The comparison has to happen before the offer, not after closing.

WHAT UNDERLYTIX COMPARES

Two strategies, one property, side by side

Short-term rentalLong-term rental
Gross incomeHigher, seasonal and variableLower, steady
Operating expensesHigher — cleaning, furnishing, management, utilitiesLower, more predictable
Financing treatmentProgram-specific; income haircuts commonStandard DSCR and conventional paths
Regulatory risk✗ Local STR rules can change the model✓ Minimal
Cash-flow stabilityVariable✓ Stable
HOW THE ANALYSIS WORKS

From one property to a clear recommendation

1

Model both income streams

STR nightly rate, occupancy, and seasonality against LTR market rent — each with its own realistic expense load.

2

Test financeability under each DSCR both ways

Because lenders treat STR and LTR income differently, the same property can clear DSCR one way and fail the other. Underlytix runs both.

3

Return a recommendation STR / LTR / pass

Which strategy the numbers and the financing actually support — or whether to pass. Feed it into full investor financing analysis.

EXAMPLE OUTPUT

Same property, two verdicts

Property: $340,000 coastal condo

Recommendation: Long-term. STR gross projects ~$4,100/mo but nets thin after management, furnishing, and a 35% seasonal vacancy assumption, and the HOA caps rentals under 30 days — a regulatory kill. LTR at $2,450/mo yields DSCR 1.22 and finances cleanly. STR looked better on gross; LTR is the fundable, lower-risk deal. Confirm lender fit in lender-fit analysis.

COMMON QUESTIONS

STR vs LTR analysis questions

Short-term vs long-term rental — which is better? ▾
It depends on the specific property. Short-term rentals usually generate higher gross income but carry higher expenses, more volatility, and regulatory risk; long-term rentals are steadier and simpler to finance. Underlytix models both on the same property so the choice is based on numbers, not assumptions.
Does a short-term rental finance differently than a long-term rental? ▾
Yes. Lenders often treat short-term rental income differently, applying haircuts or extra documentation, and some DSCR programs exclude it. The same property can clear DSCR as a long-term rental and fail as a short-term one, which is why Underlytix tests financeability under both strategies.
How do I compare STR and LTR cash flow? ▾
Model each income stream with its own realistic expenses: short-term needs cleaning, furnishing, management, utilities, and a seasonal vacancy assumption, while long-term uses market rent and standard costs. Underlytix produces both side by side, including the financing outcome, in about 60 seconds.
What regulatory risks affect short-term rentals? ▾
Local ordinances, HOA rules, and permit limits can restrict or ban rentals under 30 days, which can invalidate an STR model entirely. Underlytix flags when regulatory exposure materially changes the recommendation so it is not discovered after purchase.
Can Underlytix tell me to pass on a property? ▾
Yes. If neither rental strategy produces a financeable, adequately performing deal, the recommendation is to pass. Underlytix is designed to filter out weak deals early, not to justify every purchase.

Underwrite the strategy that actually works.

Run both scenarios before you offer. Underlytix shows which rental strategy the property — and the financing — actually supports.

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