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Mill Valley Modern

297 Throckmorton Avenue
Mill Valley, CA 94941
$5,400,000

It begins with a sense of calm.  Just moments from downtown Mill Valley, the pace changes, the noise softens.  Majestic trees surround you. The air cools. There’s a feeling here that’s increasingly rare—privacy, stillness, and connection to nature, all woven into the fabric of everyday life.


And yet, just beyond the trees, one of the most beloved downtowns in Marin unfolds at your doorstep.  Old Mill Park. The Mill Valley Public Library. The Dipsea Steps. Old Mill School. Downtown cafés, restaurants, wine bars - not to mention - miles of hiking and cycling trails that begin almost immediately from the house.  It’s the kind of location people spend years hoping to find—a place where daily life feels walkable, grounded, and deeply connected to the outdoors.


Designed by acclaimed local architecture firm OXB, the home itself feels equally intentional. Modern and architecturally striking, yet warm, understated, and incredibly livable.  The single-level floor plan unfolds with ease, anchored by exposed steel and wood beam construction that brings both strength and warmth into the spaces. Walls of Fleetwood glass doors pocket seamlessly into the architecture, opening the main living areas to an expansive deck nestled among the redwoods.   The relationship between indoor and outdoor living is effortless here.  Morning coffee outside beneath the trees. Long dinners with the doors open. Quiet afternoons on the deck surrounded by the sounds of nature. The home invites a slower rhythm without ever sacrificing sophistication.


Every finish feels carefully considered: radiant heat throughout, wide-plank oak floors, custom lighting, walnut and concrete countertops, Heath tile, a standing seam metal roof, and a beautifully appointed kitchen with Sub-Zero, Wolf, and Bosch appliances. Nothing feels excessive. Everything feels deliberate.   Architecturally refined, but never cold.


Private and immersed in nature, yet only moments from the energy and charm of downtown Mill Valley. Designed not simply to impress—but to make everyday life feel exceptionally good.


A complete set of recent reports and inspections are available upon request.

Outdoor Living:

In town, yet private

Adjacent to Old Mill Creek

Private redwood tree surrounded site with notable natural sunlight

Plumbed natural gas fire pit

Outdoor landscape lighting

Low maintenance landscape on automatic irritation system

Custom Ipe wood deck


Lifestyle & Access:

Steps to Downtown Mill Valley, Old Mill Park, the Public Library and Old Mill School

Moments from the Dipsea Steps and Cascade Canyon

Adjacent to public transportation

Architecture & Interior:

Contemporary modern design with vaulted ceilings

Exposed steel and wood beam details

Designed by OXB Studio Architecture

Fleetwood Sliding doors and windows

Operable skylights

Open-concept living with strong indoor-outdoor connection

Massive disappearing panel wall of glass

Wide-plank oak floors

Concrete and walnut counter tops

Wolf range

Subzero refrigeration

Two wine refrigerators

Bosch dishwasher

Deep soaking bathtub

Rainshower

Heath Ceramics tile

Lutron lighting system

Custom, plaster-clad gas fireplace


Property Features:

Extensive rebuild / remodel completed in 2019

3 Bedrooms

2 Full Bathrooms

1 Half Bathroom

Adjacent office nook

2,023 livable interior sq ft (per Context Visuals)

657 sq ft Deck (per Context Visuals)

17,102 sq ft Lot (per Realist Public Record)

Attached one car attached garage

298 sq ft Garage (per Context Visuals)

Two off-street parking spaces


Infrastructure and Updates:

Rebuild completed in 2019

Radiant heat and hot water system

Updated electrical and compliant sewer lateral

Standing seam metal roof

Fully integrated rain gutters / site drainage


Neighborhood

Nestled at the foot of Mount Tamalpais, homes in this Marin County city range from 500-square-foot hunter's cabins to multimillion-dollar mansions tucked away on winding, narrow lanes under the redwoods.

Coffee is king in Mill Valley. Downtown, three separate coffee shops do a brisk business. At the Depot, as the sunny town center is called, moms with strollers, kids on tricycles, and teenagers kicking hacky sacks relax in the open-air plaza, which now houses an independent bookstore and cafe. The Depot is also a jumping-off spot for hikers and mountain bikers heading up the slopes of Mount Tamalpais. Nightlife in Mill Valley is anchored by Sweetwater Music Hall, which hosts many well-known musical acts.


Just check out what the New York Times recently had to say

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