How to Analyze a Vacation Rental Market Before You Buy

Why Market Selection Is the Most Important Decision

Market selection has more impact on STR investment performance than any other single factor — more than property management quality, pricing strategy, or amenities. The best operators in a weak market cannot match average operators in a strong market. A well-selected market creates the conditions for success; a poorly selected market creates headwinds that no amount of operational excellence can fully overcome.

Two properties with identical characteristics — same bedrooms, same purchase price, same setup quality — can produce dramatically different returns based solely on the market they sit in. A 3-bedroom house in a high-demand vacation market might generate $85,000 annually. The same house in a low-demand market with oversupplied STR inventory might generate $35,000. Market selection is the most important lever in STR investing, which is why rigorous pre-purchase market analysis is non-negotiable.

Reliable Data Sources for STR Market Research

AirDNA

AirDNA is the most comprehensive STR-specific data platform available to investors. It aggregates data from Airbnb and VRBO listings to provide market-level ADR, occupancy, revenue, and RevPAR (revenue per available room) statistics. AirDNA's Rentalizer tool estimates projected revenue for specific property addresses, making it the closest thing to a comparable sales approach for STR income analysis. Subscriptions range from $40 to $80+ per month. For any serious acquisition analysis, an AirDNA subscription for the target market is worthwhile.

Rabbu

Rabbu provides similar market data to AirDNA with a slightly different user interface and pricing structure. Many investors use both platforms and compare outputs — significant discrepancies between platforms for the same market warrant additional investigation. Rabbu is often somewhat less expensive for single-market subscriptions and provides a clean interface for comparing markets side by side.

Free Research Methods

Without a paid subscription, you can gather meaningful market data by browsing Airbnb directly. Search for listings matching your target property type, sort by review count (high-review listings are established operators with documented booking history), and note: how many reviews the listing has accumulated, the listing's published calendar availability (many nights booked vs. open), and published rates across different seasons. Review count divided by months since listing creation gives a rough monthly booking rate proxy.

Analyzing Demand Drivers

Strong STR markets draw visitors from multiple, independent demand sources. Single-driver markets — cities that depend almost entirely on one employer, one annual event, or one seasonal activity — carry higher revenue concentration risk. A single employer layoff, event cancellation, or bad snow season can dramatically reduce demand in ways that a diversified demand market absorbs without material impact.

Tourism and Leisure Demand

Tourism demand is driven by natural features (beaches, mountains, lakes, national parks), built attractions (theme parks, casinos, entertainment districts), and events (music festivals, sporting events, food and wine festivals). Research the volume and diversity of these demand drivers by reviewing local tourism board data, checking visitor statistics from the local convention and visitors bureau, and reviewing travel content about the destination on major travel publications.

Business and Medical Travel

Markets near major hospitals, medical centers, convention facilities, and corporate headquarters generate demand from a different traveler profile: longer stays, higher spending, and year-round rather than seasonal booking patterns. STR properties near major hospitals frequently serve traveling medical professionals, patient families, and visiting researchers — a demand segment that is less price-sensitive and highly focused on location proximity rather than amenity premium.

Understanding STR Supply Dynamics

Demand creates the revenue potential; supply determines how much of it each operator captures. A high-demand market with rapidly growing STR supply may underperform a moderate-demand market with constrained supply. Track STR supply trends using AirDNA's market growth data — markets showing 15%+ annual supply growth in active listings are at risk of oversaturation, particularly if demand growth is not keeping pace.

Supply constraints are the most durable source of market strength. Regulatory permit caps create hard limits on STR supply — markets where the city has capped permits at current levels cannot grow supply even as demand increases, which supports occupancy and ADR for existing operators. Geographic constraints (island markets, ski resorts with finite developable land, small mountain towns) create similar supply limitations. Identify what, if anything, constrains supply growth in your target market.

Regulatory Research: The Non-Negotiable Step

Regulatory risk is the most commonly underestimated risk in STR investing. Cities across the US have enacted, proposed, and in some cases retroactively applied STR restrictions that have eliminated or severely curtailed existing operators. New York City, Los Angeles, San Francisco, Boston, and many other major metros have effectively banned investor-owned STRs. Secondary and tertiary markets have varying degrees of regulation, with some being fully permissive and others in the process of enacting restrictions.

How to Research STR Regulations

Start with the city and county websites for your target market. Search for "short-term rental ordinance," "vacation rental permit," or "STR registration." Most municipalities that regulate STRs publish their ordinances online. Key questions to answer: Does the city require a permit or license? Are permits available to non-owner-occupied properties (investor STRs)? Is there an active permit cap? What zones allow STR operations? Are there minimum stay requirements? What is the compliance and enforcement history?

Monitoring Regulatory Trends

Regulations change. Even markets that are currently permissive may have active regulatory discussions. Set Google Alerts for "[city name] short-term rental ordinance" to monitor news. Review city council meeting agendas, which are usually posted online, for upcoming STR-related agenda items. Join local STR host associations or Facebook groups — operators in the market will have early intelligence on regulatory changes that may not yet be public.

Seasonality: Modeling Monthly Cash Flow

Annual revenue averages can mask dangerous seasonality patterns. A beach market that generates 80% of annual revenue in June through August may show excellent annual performance on paper while requiring cash reserves to cover the mortgage during 4 to 5 slow months. Before investing in any market with clear seasonal patterns, model monthly cash flow rather than relying on annual averages.

AirDNA's monthly occupancy and ADR data allows you to model each month separately. Multiply each month's projected ADR by the projected occupancy to get monthly gross revenue, then subtract monthly fixed expenses (mortgage, insurance, property management) and variable expenses (cleaning, utilities, supplies — which scale with occupancy). Any month that produces negative cash flow requires funding from reserves or other income. Calculate the worst-case consecutive negative months and ensure your capital reserves can cover that period.

Running Accurate Comparables

Establishing accurate revenue expectations requires finding truly comparable listings: same bedroom count, similar location within the market, similar overall quality and amenities, and similar guest experience positioning. A 3-bedroom lakefront cabin with a hot tub is not comparable to a 3-bedroom cabin 2 miles from the lake without water access or amenities — the market will price them significantly differently.

Build a comparable set of 5 to 8 active listings with established review histories (50+ reviews). For each comparable, note: estimated monthly bookings (review count divided by months active), published rates across your target seasons, and amenities. AirDNA's Rentalizer tool can provide address-level revenue estimates for properties you are considering, based on their data model for the surrounding market — use this as a starting point, then adjust based on your comparable analysis.

Red Flags That Signal a Weak Market

Rapidly Growing Supply

Markets with 20%+ annual growth in STR supply are at risk of oversaturation. When supply grows faster than demand, occupancy rates and ADR compress across the market. This is particularly dangerous in markets where the demand is tied to a fixed number of visitors (a ski resort with stable lift capacity, a beach town with fixed shoreline access).

Proposed or Pending Regulation

A market with active regulatory discussions is a significant risk factor. If the city council has proposed an STR ordinance, held public hearings, or if local media has covered STR regulation debates, the regulatory environment is unstable. Properties that cash flow only as STRs and would generate negative cash flow as long-term rentals are particularly vulnerable.

Price-to-Revenue Ratios That Don't Work

In some markets, property prices have risen faster than STR income potential, creating a situation where the numbers simply don't work at any reasonable leverage level. If a market's median STR gross revenue is $45,000 per year and median property prices are $700,000, the cap rate math at 35 to 50% operating expense ratios produces NOI of $22,500 to $29,250 — a cap rate of 3.2 to 4.2%. This may be acceptable for appreciation-focused investing but will produce negative or near-zero cash-on-cash returns with typical financing.

Frequently Asked Questions