135 Willowbrook

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Contemporary Retreat

This stunning, one-of-a-kind, contemporary retreat redesigned by Carl Hesse of Square Three Design Studios features a double A-frame construction and offers clean lines.


Tour the Property

The 6 bedroom, 6.5 bath home uses local materials throughout and the Portola Valley location offers easy access to all the vital centers of Silicon Valley.

$6,550,000 | Home ±6,080 sf | Lot ±1.4acres




Completely remodeled and updated in 2014, the home features a host of custom touches and modern amenities to the 1.4 acre property which is situated between a tranquil creek and a nature preserve. Details special to this home include a built-in library wall with custom-made library ladder, handmade steel banisters and an outdoor bar fashioned by famed concrete specialist Fu-Tung Cheng.


Pool & Entertaining Area


Designer Kitchen


Vaulted Interiors


Creekside Deck



Outstanding Features

In 2013, the owners embarked on a major remodel of the existing house. A new structure was created to connect the two existing A-frames. This created a new family room with 14-foot ceilings, a powder room and a walk-in coat closet. A new layout of the eastern A-frame created a master suite, o ce, laundry room, guest suite with kitchenette and a pool bathroom.


A new foundation at a lower level allows for taller ceilings than were originally possible.

The kitchen and all of the bathrooms were remodeled. One bathroom upstairs was recon gured to make it en suite.

New roofs and gutters on parking structure, guest suites and family room.

Skylights installed in powder room and upstairs bathroom.


SunPower solar installed above covered parking structure.

New Precision Alarm system throughout home.

New radiant heat added on eastern wing and center section of the home that ties into the existing system.

Five separate Nest thermostats and two “whole house” fans installed, one in each A-frame.

During extensive remodeling project the majority of the electrical and plumbing was replaced. All new lighting is LED.

A new hot water system for all but the guest suite, which is served by a newly installed on-demand hot water system.

New sound system with speakers installed throughout house, including outdoors. Currently set up with a Sonos system.

Tesla Wall Connector


New white oak hardwood  oors were installed throughout the house, except in the great room where the existing concrete  oors were polished.

Custom cabinets installed in kitchen, laundry room, master bath, master closet and guest suite.

The kitchen has Silestone counter tops and bathrooms feature Porcelanosa tile.

NanaWall glass door systems were installed in the newly created family room and master bedroom.

All Weather sliding doors installed in the great room. New custom All Weather windows in family room and guest suite.


Removed old swimming pool and replaced with new pool and spa. Installed new automatic pool cover, as well as a heating  ltration system.

Outdoor bar with sink and refrigerator.

All new hardscape and landscaping with sprinklers and drip irrigation.

Concrete and Ipe walkways created around the home, lit with LED down- lights.

New gas  re pit on Ipe deck suspended over the creek.

Access to Windy Hill Preserve and Portola Valley trail system




The Neighborhood

135 Willowbrook is situated at the junction of city life and nature in Central Portola Valley, offering easy access to all the vital centers of Silicon Valley.


Portola Valley

Incorporated in 1964, Portola Valley began as an affordable location for artists and progressive academics looking for close proximity to Stanford and Palo Alto. Today, Portola Valley maintains its simple charm despite being listed consistently among the wealthiest places to live in the U.S.

Portola Valley offers a town experience unique in Silicon Valley. Public libraries, parks and recreational trails are numerous and well-supported. The outdoors plays a central role and residents fiercely protect their open space. The Portola Valley Town Center integrates seamlessly into its scenic surroundings and has won numerous awards for design and sustainability.

The town trail system lies at the very heart of the community, providing hiking, biking and equestrian opportunities for the town’s citizens, but also serving as an important walking tie to neighbors, shopping and city schools. The Windy Hill Open Space Preserve offers additional backcountry access and incredible scenery. Horses and equestrian activity are present throughout town with multiple boarding and riding clubs, as well as horse trails that traverse the community and extend into portions of the Mid-Peninsula Open Space District.

The unobtrusive Valley Center is anchored by the locally-owned Robert’s Market. Here both residents and cycling visitors gather to “fuel up” on groceries, prepared gourmet meals and coffee. A gas station, hardware store, and professional services offices round out the center.

Portola Valley is a great combination of seclusion, outdoor living, natural environment and convenience. It’s a place that ought to be hundreds of mile away, but lies only a couple of minutes from everything on the Peninsula. Its rural, outdoor lifestyle offers sanctuary from the hustle and bustle of Silicon Valley.