518 Alta Way, Mill Valley

Just SoldTam Valley · Mill Valley

Mill Valley · August 2025

518 Alta Way

Mill Valley, CA 94941 · Tam Valley

Seller Representation · Tyler Stewart

Beds

3

Baths

2.5

Sq Ft

2,085

Garage

2-Car

$/Sq Ft

$1,106

Closed Sale Price

$2,305,000

August 25, 2025
Tam Valley · Mill Valley
Seller Representation

In Tam Valley — where Mill Valley meets the mountain and the trails to Stinson Beach begin at the end of the block — a beautifully updated home with a ground-floor primary suite, quartz countertops, refinished hardwood floors, a 6-person stone sauna, solar with battery backup, and smart home controls throughout. Tyler Stewart listed and sold 518 Alta Way.

Tam Valley occupies the geographic and spiritual intersection of everything Mill Valley stands for: the mountain at your back, the Bay in front, Stinson Beach a short drive west, and downtown Mill Valley and its restaurants and independent shops a short drive east. 518 Alta Way sits in this setting with the confidence of a home that has been thoughtfully upgraded for the present without losing sight of what made the neighborhood worth choosing in the first place. For a buyer who wants to bike to a trailhead, cook a serious dinner, sit in a sauna, and be in San Francisco in 30 minutes, this address delivers all of it.

The renovation is comprehensive and specific. Quartz countertops throughout. Refinished hardwood floors that anchor the living spaces with warmth. Custom shutters that manage light without obscuring it. Updated fixtures that reflect the same attention to material quality as the surfaces they serve. The result is a home that feels current without being trend-dependent — the kind of update that will read as well-maintained in a decade as it does today.

The ground-floor primary suite is the structural decision that changes how this home lives: single-level accessibility for the primary bedroom, a seamless flow through the living, dining, kitchen, and family rooms, and the option for genuinely comfortable main-floor living whether you're arriving from a long hike or hosting dinner. Two additional bedrooms upstairs provide the separation and privacy that families need.

The sustainability stack: A solar energy system with battery backup for grid independence. Smart home controls for lighting, temperature, and security. A reverse osmosis water purification system. Central air conditioning. A 6-person stone sauna in the landscaped yard for the recovery sessions that Tam Valley trail runners and hikers require. Hardie Plank siding for fire and weather resilience. An oversized two-car garage with interior access and additional storage. This is a home that was built for Marin living in 2025.

Tyler Stewart listed and sold 518 Alta Way. Closed at $2,305,000 — $1,106 per square foot. Mill Valley, at its most complete.

Location

Market Snapshot · 2025

Tam Valley

Mill Valley's Trail Gateway

Tam Valley's position — minutes from Mount Tamalpais trailheads, Stinson Beach, and Highway 1, while remaining close to downtown Mill Valley and the 101 — makes it one of Marin's most livable and sought-after neighborhoods for active buyers.

Ground-Floor Primary

Lifestyle Configuration

A ground-floor primary suite in a two-story Mill Valley home is a premium configuration that appeals to a wide buyer profile — young families, buyers planning for long-term ownership, and anyone who values the convenience of single-level daily living.

Solar + Battery + Smart Home

Full Stack

A solar system with battery backup, smart home controls, reverse osmosis water purification, and central air conditioning represent a home infrastructure investment that exceeds most Marin homes in this price range — and resonates strongly with today's Marin buyer.

Seller Representation

Our Team

Tyler Stewart listed 518 Alta Way, marketing a comprehensively upgraded Tam Valley home to the qualified buyer pool that a $2.3M Mill Valley listing in this neighborhood deserves.

A comprehensively updated Tam Valley home — quartz countertops, refinished hardwood floors, ground-floor primary suite, 6-person stone sauna, solar with battery backup, smart home controls, RO water, Hardie Plank, oversized 2-car garage — listed and sold by Tyler Stewart at $2,305,000. Mill Valley living at the intersection of outdoor culture, sustainability, and genuine residential quality.

Mill ValleyTam ValleyMarin CountyJust SoldSeller RepresentationSolarTrail Access2025 Market