OPEN HOUSE
Fri, May 15, 9:30 AM - 1:00 PM
Sat, May 16, 1:30 PM - 4:30 PM
Sun, May 17, 1:30 PM - 4:30 PM

27690 Central Drive,

Los Altos Hills

OPEN HOUSE
Fri, May 15, 9:30 AM - 1:00 PM
Sat, May 16, 1:30 PM - 4:30 PM
Sun, May 17, 1:30 PM - 4:30 PM

HIGHLIGHTS

Beds
3
Baths
2.5
Living
2,850 sq. ft.
Lot
122,202 sq. ft.
Offered at
$5,498,000

A rare architectural offering where design, craftsmanship, and setting converge to create an extraordinary retreat overlooking Black Mountain and the surrounding canyon. Thoughtfully positioned for privacy and connection to the landscape, this custom straw bale residence at 27690 Central Drive, Los Altos Hills captures breathtaking views from its main living spaces, where the living and dining rooms unfold toward a wall of glass framing the hills beyond. Handcrafted details define the interiors, from mosaic artistry and sculpted plaster walls to custom cabinetry and exposed wood elements, all grounded by heated concrete floors and soaring metal-clad ceilings. The kitchen blends function and artistry with natural materials, bespoke storage, and a seamless connection to gathering spaces. Three bedrooms and two and a half baths include a distinctive primary suite with private outdoor access, while two secondary bedrooms feature lofted spaces that enhance both form and utility. A detached studio with loft offers a quiet, view-oriented workspace. Outdoor living is equally compelling, with layered patios, meandering paths, mature landscaping, and multiple vantage points to take in the sweeping canyon and valley views. A truly one-of-a-kind, eco-friendly property designed for both retreat and connection.

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This home represents a rare and deeply intentional approach to design, where architecture, craftsmanship, and environmental sensitivity come together in a way that is both beautiful and enduring. Conceived by Sim van der Ryn and led by architect Andrea Traber, the residence draws from Southwestern adobe traditions while remaining grounded in the rhythms of California living.

At the heart of the home is its straw bale construction, a building method chosen not only for sustainability, but for the experience it creates. The walls provide exceptional insulation, naturally regulating temperature by retaining warmth in the winter and keeping interiors cool in the summer. Beyond performance, they create a sense of quiet, solidity, and calm that is immediately felt upon entering.

The design follows time-honored principles of straw bale architecture. The southern exposure is thoughtfully opened with expansive windows, allowing winter sunlight to warm the home’s thermal mass, while the northern side remains more protected, enhancing the insulating qualities of the structure. Signature elements of this building tradition are thoughtfully incorporated, including a built-in reading nook nestled within the thick walls and a “truth window,” offering a glimpse into the straw bale construction itself.

Building in this way requires a level of commitment rarely seen today. Straw bale construction is both labor-intensive and costly in California, and its use here reflects a deliberate investment in environmentally responsible design and long-term livability.

The home was constructed by Skillful Means Construction, specialists in straw bale building, and brought to life through the work of a remarkable group of artisans.From hand-prepared wood beams to custom metalwork and locally sourced stone, each element was approached with care and intention. The result is more than a home, it is a living expression of thoughtful design, artistry, and a meaningful connection to its surroundings.

Features of the Home Include:

  • A truly custom retreat property designed to blend architecture, nature, and quiet privacy rarely found in Silicon Valley
  • 3 bedrooms and 2.5 baths plus a detached office/studio with loft
  • Approximately 2,649 square feet of living space in the main house, plus an approximately 201 square foot studio, for a total of 2,850 square feet
  • Lot size of approximately 2.805 acres (122,202 square feet)
  • Freshly painted Adobe-inspired exterior with straw bale construction reflecting sustainability, craftsmanship, and enduring design
  • Thoughtful orientation with southern exposure capturing sunlight and views, while more protected northern walls enhance insulation
  • A meandering pathway through mature landscaping leads to the covered entry with circular mosaic detail by Laurel True, and a craft-built door with a custom fused-glass window
  • Foyer with acid-stained concrete floors that continue throughout the home, sculptural stepped walls revealing the depth of the straw bale construction, peeled pine wood columns treated with beeswax for a glossy finish, and immediate sightlines to the views
  • Living room anchored by a kiva-style fireplace with a hand-laid mosaic surround, built-in niches, and artisan detailing; Integrated reading nook with a custom cushion, a signature architectural element of straw bale homes
  • Wall of glass in the living room framing commanding views of Black Mountain and the canyon, and clerestory windows and southern exposure bring in natural light throughout the day
  • Dining room with a curved, sloped wall that highlights the solidity of the straw bales, art niches, and a form that naturally encourages gathering
  • French doors extend the dining area to the outdoors, enhancing indoor/outdoor flow
  • Thoughtfully-designed kitchen with custom reclaimed oak and fused glass cabinetry, un-honed slate countertops, mosaic tile backsplash, and handcrafted detailing
  • Built-in corner workstation topped in honed slate 
  • Appliances include: Viking 6-burner range with griddle and double ovens, Viking hood, Bosch dishwasher, Amana refrigerator
  • A pocket door leads to the laundry/mud room with a deep utility sink, work counter, upper storage, access to the carport, and a powder room with a pedestal sink
  • Includes a traditional “truth window,” offering a visible cross-section of the straw bale wall construction
  • Primary suite with windows on three sides, capturing light and surrounding landscape, dual closets plus additional upper storage, and a glass door opens to a private pergola-covered patio and the outdoor retreat space
  • The primary bath features a vintage clawfoot tub and sink, tile wainscoting, and a slate-tiled shower with a custom fused glass door 
  • Two secondary bedrooms with tall windows, closets, and ladder access to lofted spaces above
  • Hall bath with a slate tile surround, tub with an overhead shower, and pedestal sink
  • Detached office/studio with track lighting, view-facing windows and a lofted area accessed by a ladder, ideal for storage or flexible use
  • Separate utility/storage room located behind the office
  • Pergola-covered flagstone patio extending directly from the main living spaces with fabulous Black Mountain views
  • Expansive view terrace reached by flagstone steps, offering panoramic canyon and mountain vistas
  • Pathways wind through the property, connecting outdoor living spaces and viewpoints
  • Fully fenced garden with terraced beds and productive fruit trees
  • Tranquil lounge patio with an integrated pond feature
  • Additional gravel patio on the side of the home, set among mature trees with peaceful hillside and Bay views
  • Covered carport for two vehicles with exposed incense cedar wood beam construction
  • Additional features include: Built-in speakers in the living and dining areas with wiring extending to the outdoor patio; Wired for ethernet throughout the home with a centralized distribution point, originally designed for whole-home media integration; Propane-powered systems including range, dryer, and boiler, with an owned on-site tank; Underground electrical service to the property for a cleaner visual landscape; Water system includes automated irrigation and monitoring through the local “Eye On Water” system; Carport designed with structural capacity for a future hoist system; Firewise recognized neighborhood
  • Acclaimed Los Altos schools: Gardner Bullis Elementary, Egan Junior High, Los Altos High School (buyer to confirm enrollment)

Specific Schools

Elementary School

Gardner Bullis Elementary School

Gardner Bullis Elementary School

  • 25890 Fremont Road
  • Grades: K-6
  • School Type: Elementary School
  • Student Enrollment: 259
  • School Website >

Jr. High School

Egan Junior High School

Egan Junior High School

  • 100 West Portola Avenue
  • Grades: 7-8
  • School Type: Jr. High School
  • Student Enrollment: 497
  • School Website >

High School

Los Altos High School

Los Altos High School

  • 201 Almond Ave
  • Grades: 9-12
  • School Type: High School
  • Student Enrollment: 2141
  • School Website >
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