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A private California residence where architecture, landscape and structure come togetherTucked into the wooded landscape of Portola Valley, west of Palo Alto, California, the Khosla House is a striking example of Arthur Erickson’s approach to residential architecture. Designed in 1986 for technology entrepreneur Vinod Khosla and his wife Neeru Khosla, the house combines a strong concrete structural language with terraces, water, carefully framed outdoor spaces and a highly considered interior. The project was developed by Arthur Erickson Architects in Los Angeles, with interiors associated with Erickson’s longtime collaborator Francisco Kripacz.Rather than treating the house as an isolated object placed on a property, Erickson approached the residence as part of its landscape. The result is a home that feels closely connected to its California setting, while its concrete frame gives it a distinctly monumental character.Key Facts:Project: Khosla HouseLocation: Portola Valley, California, USAClient: Vinod Khosla and Neeru KhoslaArchitect: Arthur Erickson Architects, Los AngelesDesign: 1986Project period documented by the CCA: 1986–1991Construction: Concrete-frame residenceApproximate area: 14,000 square feetInteriors: Francisco KripaczGuest accommodation: An existing library addition was renovated into a guest houseVinod Khosla House; Photo by Geoffrey EricksonDesigned Around the LandscapeOne of the most interesting aspects of the Khosla House is the way the design process appears to have considered the site from the beginning. Archival drawings include early studies of the site, entry steps, bermed pathways, pools and terracing. This suggests that movement through the landscape was not an afterthought but an important part of the architectural concept.The house therefore reads less like a conventional suburban residence and more like a sequence of architectural experiences. Approaches, terraces and changes in level help create transitions between the natural surroundings and the interior spaces. Erickson’s architecture often relied on this relationship between built form and landscape, and the Khosla House offers a particularly intimate residential expression of that idea.Concrete as Structure and CharacterThe Khosla House is documented by the Canadian Centre for Architecture as a 14,000-square-foot concrete-frame residence. The archive also contains structural studies showing a post-and-beam system and a proportional system based on the golden section.This is important because the concrete is not simply a finish or visual statement. The structural framework is central to the identity of the house. Columns, beams and carefully controlled proportions give the residence its rhythm, while openings and terraces prevent the heavy material from making the house feel closed or oppressive.That balance between mass and openness is one of the qualities that makes Erickson’s residential work so compelling. Concrete establishes permanence and weight, while landscape, light and outdoor connections introduce softness and movement.Vinod Khosla House; Photo by Geoffrey EricksonA House Shaped by ProportionThe archival material reveals just how extensively the design was studied. The Canadian Centre for Architecture holds approximately 228 drawings, along with presentation slides and photographic material related to the project. The collection includes floor-plan studies, sections, furniture layouts, roof-level studies and structural drawings.Some of the early drawings explore family rooms, bedrooms, garages and an exercise court, while others study stairs, exterior decks, terraces and roof gardens. This provides an interesting glimpse into the way a large private residence was developed: not simply as a collection of rooms, but as a carefully organized composition of circulation, structure, views and outdoor spaces.The Landscape Becomes Part of the ArchitectureWater and terraces appear repeatedly in the archival documentation. Working drawings from 1988–1989 include plans and details for a pool and a “water effect,” while earlier studies explored pools and terracing across the site.These elements are characteristic of a broader theme in Erickson’s architecture: using landscape, water and changes in level to soften the relationship between a strong architectural structure and its surroundings. At Khosla House, the landscape is not merely something to look at through windows. It becomes part of the sequence of spaces experienced while moving through the home.Interiors by Francisco KripaczThe interior dimension of the project is equally important. Arthur Erickson’s official project page identifies the Khosla House as an interior project developed with Francisco Kripacz, and photographs on the page are credited to Geoffrey Erickson.Kripacz was a longtime collaborator of Erickson and played a major role in shaping the interiors of many of the architect’s projects. He directed the interiors at Arthur Erickson Architects and also led the firm’s Los Angeles office during the 1980s. His work was known for bringing furniture, materials, colour and decorative elements into dialogue with Erickson’s architecture.That collaboration is particularly relevant at Khosla House. The architecture provides a disciplined framework of concrete, geometry and landscape, while the interiors bring a more tactile and human scale to the residence. Together, the two approaches create a home that is both monumental and personal.An Existing Library Finds a New LifeAnother unusual detail of the project is its treatment of an earlier structure on the property. The CCA records that an existing library addition was renovated and converted into a guest house. The archive contains the original 1966 drawings for the library addition as well as 1989 drawings documenting the guest-house conversion.This detail adds another layer to the project. Instead of erasing everything that existed before, the design incorporated part of the site’s architectural history into the new residential composition. It is a reminder that even a highly controlled modernist house can evolve through adaptation and reuse.Vinod Khosla House; Photo by Geoffrey EricksonArchitecture That Feels Monumental Yet DomesticAt first glance, a concrete residence of this scale might sound formal or imposing. But the Khosla House is interesting precisely because its architectural strength is balanced by domestic elements: family rooms, bedrooms, furniture layouts, terraces, gardens, water and guest accommodation. The archival drawings show the architects working through these everyday requirements alongside the larger structural idea.This balance is perhaps the most lasting lesson from the house. Good residential architecture does not have to choose between a strong architectural identity and comfortable living. The two can coexist when structure, landscape, interiors and circulation are designed as one connected experience.Why Khosla House Still MattersThe Khosla House occupies an interesting place in Arthur Erickson’s body of work. Designed in 1986, it belongs to a period when Erickson was already internationally recognized, yet the project allowed his ideas to be explored at the intimate scale of a private home. The CCA’s records show a design process that continued through the late 1980s, with construction and specialist drawings extending into the early 1990s.What makes the residence memorable is not simply its association with a prominent Silicon Valley figure. Its real architectural value lies in the way structure and landscape are woven together. Concrete gives the house its presence; terraces and water connect it to the site; and the interiors add warmth and personality.For contemporary architects and designers, Khosla House offers a useful reminder that luxury does not necessarily come from adding more. Sometimes it comes from creating a stronger relationship between a building, its materials, its proportions and the landscape around it. Vinod Khosla House; Photo by Geoffrey Erickson Vinod Khosla House; Photo by Geoffrey Erickson Vinod Khosla House; Photo by Geoffrey Erickson Related Article:Inside Kumar Vishwas’ Luxurious Noida House: A Blend of Poetry, Art, and Palace-Style LivingGautam Adani House: Inside the luxurious residence of India’s business tycoon in AhmedabadMukesh Ambani House: Antilia, the world’s most expensive private residence in MumbaiJeff Bezos House: Inside the Mansions and Estates of the Amazon FounderBill Gates’s House: An inside look at all the homes owned by the Microsoft co-founderMichael Jordan’s homes: A design-led journey through his signature residencesJK House: Inside Gautam Singhania’s ₹6,000-crore skyscraper residence and is the second most expensive home after Mukesh Ambani’s AntiliaAbode: Inside Anil Ambani’s iconic Pali hill residence that redefines luxury living in MumbaiInside Jalsa: An architectural perspective on Amitabh Bachchan’s iconic Mumbai residenceAbode: Inside Anil Ambani’s iconic Pali hill residence that redefines luxury living in MumbaiJatia House: Kumar Mangalam Birla’s iconic home of luxury and heritage in MumbaiGulita: The diamond-inspired seafront mansion of Isha Ambani and Anand PiramalInside Sea Wind: The 17-Storey family home Mukesh Ambani shared with Anil Ambani before AntiliaInside ZOHO founder Sridhar Vembu’s house: A billionaire’s rural home built on vernacular architecture and sustainabilityGoolestan (Om Arc): Inside Anand Mahindra’s heritage home on Nepean sea road, MumbaiDeepinder Goyal House: Inside the Zomato Founder’s luxury home at DLF CamelliasBhavish Aggarwal house: Inside the Ola Co-founder’s Private Residence in BengaluruInside Sundar Pichai and Anjali Pichai’s House: A blend of modern luxury and thoughtful designSatya Nadella House: A Peek Inside the Microsoft CEO’s ResidenceAdar & Natasha Poonawalla’s Farmhouse: Inside a retreat of elegance and equestrian charmShiv Nadar’s Residence: Where art and vision shape the HCL founder’s homeNikhil Kamath House: Inside Zerodha co-founder’s luxury Bengaluru homeInside Anil Agarwal’s House: A look at the Vedanta billionaire’s London mansionRohini Nilekani and Nandan Nilekani House: A glimpse into the Bengaluru home of India’s tech visionaryUday Kotak House: Inside the iconic sea-Facing “Champagne House” in MumbaiSunil Bharti Mittal’s Mansion in Delhi: Inside a legacy home in India’s most exclusive addressInside Lakshmi Niwas Mittal’s global real estate empire: Steel, Success & Super HomesNithin Kamath House: A look inside the Zerodha CEO and founder’s lifestyle & design philosophyInside Savitri Jindal House: A Look at the Elegant Residences of India’s Richest WomanMamata Banerjee House: A look inside the modest home of Bengal’s CM residenceInside Pawan Kalyan’s Rs 130 Crore Jubilee Hills Mansion: A perfect blend of luxury and traditionPawan Kalyan’s new House at Pithapuram: Where architecture meets political identityInside CarryMinati’s House: Modern interiors, gaming studio & creator lifestyleSidhu Moose Wala House: Inside the Iconic Punjab mansion that became a landmark for fansInside Navjot Singh Sidhu’s Amritsar House: A ₹25 Crore mansion blending royal architecture and spiritual LivingAamir Khan House: A look inside the Bollywood Star’s elegant and minimalist homeTim Cook House: Inside Apple’s CEO’s private home and the philosophy behind itYohan & Michelle Poonawalla’s 7.5-Acre Koregaon Park Mansion: A grand blend of heritage, art, and luxuryDavid Warner House: Inside the Five-Level Oceanfront Sydney Home of Australia’s Cricket StarCristiano Ronaldo House: Inside the football legend’s stunning luxury homes around the world

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Vinod Khosla House: Arthur Erickson’s Concrete Retreat in Portola Valley

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