Portola Valley, California short-term rentals run an average of 58% occupancy and $240 RevPAR across the year.
Portola Valley short-term rentals run 58% average occupancy across the year, producing an annual RevPAR of $240 — occupancy multiplied by average daily rate.
From July 2025 to July 2026, Portola Valley's occupancy is down 2.7% and RevPAR is down 1.8%.
On AirDNA's seasonality scale, Portola Valley scores 57 out of 100, where a higher score means steadier demand year-round and a lower score means sharper peak-and-trough swings.
Portola Valley's Seasonality subscore is 57 out of 100, one of five inputs to its overall Market Score of 41. A higher score means steadier demand across the year.
Seasonality is the percentage gap between Portola Valley's lowest and highest monthly average revenue over the past year — the smaller the swing, the higher the score.
It is benchmarked against other short-term rental markets in the same country with at least 15 active listings.
Market-level averages hide wide variation. Here's how to go deeper in the app:
Key definitions

How occupancy and RevPAR rise and fall through the year in Portola Valley, month by month.
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Frequently asked
Portola Valley runs 58% annual occupancy.
Portola Valley's short-term rental occupancy is down 2.7% from July 2025 to July 2026, currently 58% of available nights booked.
RevPAR (revenue per available rental) is occupancy multiplied by average daily rate. It reflects what a listing earns across every available night. Portola Valley's annual RevPAR is $240.
Portola Valley's RevPAR is down 1.8% from July 2025 to July 2026, currently $240.
Portola Valley scores 57 out of 100 on AirDNA's seasonality scale. Higher scores mean steadier demand year-round.
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