Mill Valley, CA Airbnb Market Data, Statistics, and Occupancy Rates

Mill Valley Short-Term Rental Market Overview

Mill Valley sits at the crossroads of Marin County's outdoor lifestyle appeal and San Francisco Bay Area proximity, creating steady demand for short-term rentals among travelers seeking an upscale retreat just minutes from the city. With an average occupancy rate of 49% — comfortably above California's 43% state average — and an average annual revenue of $73,111 across 171 active listings, the market delivers reliable booking volume despite premium home prices. Larger properties stand out as particularly strong performers, with 5-bedroom units generating over $266,000 annually, though the high average home value of roughly $2.98 million means investors need to be strategic about deal sourcing and property selection.

Key Market Statistics

According to Rabbu market data, the Mill Valley short-term rental market shows:

Data sources: Rabbu proprietary analytics as of Apr, 27 2026 and Zillow Home Value Index (ZHVI) as of Mar, 17 2026.

Why Investors Consider Mill Valley

Mill Valley attracts investors looking for above-average occupancy in one of California's most desirable lifestyle destinations, though high entry costs demand careful underwriting and selective property targeting.

Expert Market Assessment

"Mill Valley presents a competitive opportunity where strong demand and above-average occupancy meet elevated property prices and growing supply. Revenue follows a clear seasonal arc — July and August each top $8,500 in average monthly revenue, while January and February settle near $4,100, creating a roughly 2:1 peak-to-trough ratio that investors should factor into cash-flow planning. The market rewards larger properties disproportionately: 5-bedroom homes earn more than six times the annual revenue of studios, making them the standout configuration for those who can manage the higher acquisition costs. Selective deal sourcing is key here, as the below-average revenue-to-price ratio means not every property will pencil out without careful analysis."

— Rabbu Market Analysis Team

Key Airbnb Metrics & Trends in Mill Valley

Average revenue by month in Mill Valley

Mill Valley exhibits strong summer seasonality, with July ($8,554) and August ($8,507) delivering roughly double the revenue of the slowest months, January ($4,085) and February ($4,156). This $4,400+ spread between peak and off-peak months means investors should budget for meaningful seasonal swings in cash flow.

Active Airbnb listings by property size in Mill Valley

One-bedroom units dominate the supply landscape at 73 listings — nearly 43% of the market — while larger configurations like 4-bedroom (22) and 5-bedroom (6) properties are far less common. The scarcity of larger homes, combined with their significantly higher revenue potential, may signal an opportunity for investors willing to acquire bigger properties.

Average daily rate (ADR) by property size in Mill Valley

ADR climbs steeply with bedroom count in Mill Valley, from $203 for studios to $1,377 for 5-bedroom homes — a nearly 7x premium. The sharpest jump occurs between 2 bedrooms ($373) and 3 bedrooms ($639), suggesting that moving into the mid-size tier unlocks substantial per-night pricing power.

Average RevPAN by property size in Mill Valley

Revenue per available night scales consistently with size, from $88 for studios to a standout $805 for 5-bedroom properties. Four-bedroom units also perform well at $392 RevPAN, making both the 4- and 5-bedroom tiers the most efficient revenue generators when factoring in both rate and occupancy.

Average occupancy rates by property size in Mill Valley

Occupancy rates are relatively stable across property sizes, ranging from 44% for studios to 50% for 2-bedrooms, with 5-bedroom homes leading at 59%. This consistency suggests that demand exists across the spectrum, though larger luxury properties benefit from both strong pricing and the highest fill rates in the market.

Average monthly revenue by property size in Mill Valley

Monthly revenue increases sharply with size: studios average $2,841, while 5-bedroom homes generate $22,232 — nearly eight times more. Even the jump from 2-bedroom ($7,012) to 3-bedroom ($10,159) represents a meaningful $3,100/month uplift, making mid-to-large properties the clear revenue leaders.

Average annual revenue by property size in Mill Valley

Annual revenue ranges from $34,097 for studios to $266,793 for 5-bedroom properties, with 4-bedrooms also delivering a strong $149,424. For investors evaluating return potential, the 3-to-5 bedroom range offers the most compelling revenue profiles, though acquisition costs in Mill Valley should be carefully weighed against these figures.

Most common amenities for Airbnb listings in Mill Valley

Parking is nearly universal at 98% of listings, reflecting Mill Valley's car-dependent suburban setting, while kitchens (91%), self check-in (76%), and patios or balconies (75%) round out guest expectations. The presence of workspaces in 68% of listings signals that remote-work travelers are a meaningful demand driver, and differentiating amenities like hot tubs (10%) and EV chargers (9%) remain relatively rare opportunities for hosts to stand out.

Understanding Mill Valley's ROI Score: 51/100

Rabbu's ROI Score is a proprietary metric that evaluates short-term rental investment potential based on multiple factors.

How the ROI Score is Calculated

What This Means for Investors

Mill Valley's ROI Score of 51 out of 100 places it in the 'Competitive Opportunity' band, reflecting a market where demand is genuine but elevated home prices compress the revenue-to-price ratio to below-average levels. Occupancy stability scores above average — a meaningful positive — while market growth and supply/demand balance sit at average and below average respectively, suggesting that the recent 110% surge in listings is adding competitive pressure. Pairing this score with thorough local regulatory research and targeted deal sourcing will help investors identify the properties that can still deliver attractive returns in this premium market.

Short-Term Rental Regulations in Mill Valley

Understanding local STR regulations is essential before investing in Mill Valley. Here's the current regulatory landscape:

Permit Requirements

Short-term rental operators in Mill Valley, California may be required to obtain a business license or STR-specific permit before listing their property. Investors should verify current requirements directly with the City of Mill Valley and Marin County planning departments, as local rules can change.

Key Restrictions

Common restrictions in California communities like Mill Valley can include occupancy limits based on bedroom count, minimum-stay requirements, noise and nuisance ordinances, and designated parking provisions. HOA rules may impose additional limitations, and some jurisdictions cap the total number of STR permits available — so confirming eligibility before purchasing is essential.

Tax Obligations

Short-term rental hosts in California are typically subject to transient occupancy taxes (TOT) and may owe state and local sales taxes on rental income. Many booking platforms collect and remit some of these taxes automatically, but operators should confirm their full tax obligations with the City of Mill Valley and the California Department of Tax and Fee Administration.

Regulations subject to change. Always verify with local authorities before purchasing. A Rabbu partner agent specializing in Mill Valley can provide current regulatory guidance.

Future Outlook & Long-Term Forecast

"Over the next 12–18 months, Mill Valley's short-term rental market is expected to maintain its seasonal rhythm, with summer months (July–August) continuing to anchor peak revenue periods and winter dipping to more modest levels. Occupancy stability — rated above average in our ROI analysis — suggests demand should hold steady around 47–51%, though the 110% year-over-year growth in active listings could introduce added competition. ADR may see modest upward pressure in the range of 1–3% as hosts refine pricing strategies for the premium traveler segment, but investors should anticipate that the supply-demand balance remains tight and competitive."

— Rabbu Market Analysis Team

Frequently asked questions about Airbnb in Mill Valley, CA

What is the average Airbnb occupancy rate in Mill Valley?

The average Airbnb occupancy rate in Mill Valley is currently 49%, which is notably higher than the California state average of 43%. Occupancy varies by property size, with 5-bedroom homes leading at 59% and studios at 44%. This above-average occupancy suggests consistent guest demand across the market.

How much do Airbnb hosts make in Mill Valley?

On average, Airbnb hosts in Mill Valley earn approximately $6,092 per month and $73,111 per year based on the trailing 12 months of booking data. Revenue scales significantly with property size — studios average around $2,841/month, while 5-bedroom properties can bring in about $22,232/month ($266,793 annually). Peak earning months are July and August, when monthly revenue exceeds $8,500.

Is Mill Valley a good market for Airbnb investment?

Mill Valley earns a Rabbu ROI Score of 51 out of 100, placing it in the 'Competitive Opportunity' category. The market benefits from above-average occupancy stability and proximity to San Francisco, but high home values (averaging around $2.98 million) result in a below-average revenue-to-price ratio. Investors who source deals selectively and target larger properties with strong ADR potential are best positioned to succeed here.

What is the average daily rate (ADR) for Airbnb in Mill Valley?

The average daily rate for Airbnb listings in Mill Valley is $432, which is below the California state average of $551. However, ADR scales dramatically with property size — from $203 for studios up to $1,377 for 5-bedroom homes. This range reflects the premium that guests are willing to pay for larger, amenity-rich properties in this desirable Marin County location.

Are short-term rentals legal in Mill Valley?

Short-term rentals operate in Mill Valley, but hosts may need to comply with local permitting requirements, business licensing, and zoning rules set by the City of Mill Valley and Marin County. Regulations can include occupancy limits, noise ordinances, and parking provisions. We strongly recommend consulting directly with local authorities and reviewing any applicable HOA restrictions before investing.

When is peak season for Airbnb in Mill Valley?

Peak season in Mill Valley runs from June through August, with July topping the chart at $8,554 in average monthly revenue and August close behind at $8,507. The shoulder months of September and October also perform well, averaging $6,757 and $6,263 respectively. The slowest months are January ($4,085) and February ($4,156), creating a clear summer-driven seasonal pattern.

How many Airbnbs are there in Mill Valley?

There are currently 171 active Airbnb listings in Mill Valley. The market is dominated by 1-bedroom properties (73 listings), followed by 2-bedrooms (33) and 3-bedrooms (24). Year-over-year listing growth stands at 110%, indicating a significant increase in supply that investors should monitor when evaluating competition.

How is Airbnb revenue calculated in Mill Valley?

The annual and monthly revenue figures for Mill Valley are derived from the trailing 12 months of historical booking performance for active comparable Airbnb listings in the market — they are not forward-looking projections. We average each comparable listing's actual revenue per available night (RevPAN) by month over the past year, remove regional outliers, and roll the remainder up to a market-level historical average. This approach anchors the figures to what hosts have actually earned recently while naturally reflecting seasonal peaks and slower months, since each month uses its own historical performance data. Individual results can vary based on property quality, pricing strategy, and operational management.

About Rabbu Market Data

Rabbu provides Airbnb and short-term rental market data and statistics across the United States. Our mission is to empower investors with accurate insights and easy-to-use tools, so they can confidently identify and act on the best opportunities in the Airbnb market.

What this data includes

• Regularly updated active Airbnb and STR listing counts for Mill Valley and surrounding areas
• Average daily rates, occupancy rates, and RevPAN benchmarks by property size
• Monthly and annual revenue estimates based on trailing 12-month booking performance
• Home value data sourced from Zillow Home Value Index (ZHVI) for investment cost context
• Supply and demand indicators including year-over-year listing growth and popular amenities

Sources and disclaimers

Rabbu proprietary analytics as of Apr, 27 2026 and Zillow Home Value Index (ZHVI) as of Mar, 17 2026. Revenue projections are estimates based on comparable properties and do not guarantee future performance. Data reflects trailing 12-month historical averages and may not capture very recent market shifts or regulatory changes. Individual property results will vary based on location, condition, pricing strategy, and management quality.