Atherton
Atherton is located in the heart of Silicon Valley, adjacent to Menlo Park, Palo Alto, and Stanford University, and is widely regarded as one of the most affluent and prestigious residential communities in the United States. The town has long attracted technology founders, senior executives, venture capitalists, and other high-net-worth families. Compared with Palo Alto, Atherton is notably quieter and more understated, with almost no traditional commercial center and a much stronger emphasis on privacy, land, and residential space.
Atherton real estate is defined by large lots, extremely low density, and exceptional privacy. Many homes sit on approximately one-acre parcels, with mature landscaping, long driveways, generous setbacks, and estate-style residences creating significant separation between properties. Even in the center of Silicon Valley, Atherton retains a secluded, almost country-estate atmosphere.
ZIP Code 94027 has long ranked among the most expensive residential ZIP Codes in the United States. Atherton held the top position for multiple years and continues to rank among the country’s most expensive housing markets. Home values here reflect not only the residences themselves, but also the scarcity of one-acre land, limited housing supply, and an irreplaceable Silicon Valley location.
Atherton has a very small population of just over 7,000 residents. The community is exceptionally well educated, with more than 80% of adults holding a bachelor’s degree or higher, while household income levels rank among the highest in the country. The town has long been associated with Silicon Valley entrepreneurs, investors, and senior corporate leaders.
From a real-estate perspective, Atherton’s true rarity is not simply luxury housing, but the combination of large parcels, extremely low residential density, mature landscaping, exceptional privacy, and convenient access to Stanford, Palo Alto, Menlo Park, and Silicon Valley’s major technology and investment centers. This combination has made Atherton one of the Peninsula’s most exclusive and difficult-to-replicate luxury residential markets.
Race & Ethnicity
Schools
Elementary Schools
Middle Schools
High Schools
Understanding Atherton Public Schools
Atherton's public-school structure differs from that of many other Bay Area communities. Atherton does not have one unified K–8 school district serving the entire town. Different properties may fall within Menlo Park City School District or Las Lomitas Elementary School District, creating different elementary and middle-school pathways. The high-school level is served by Sequoia Union High School District.
Menlo Park City School District · MPCSD
MPCSD serves portions of Atherton, Menlo Park, and nearby communities. The district's three elementary schools are Encinal School, Laurel School, and Oak Knoll School, while students in Grades 6–8 attend Hillview Middle School.
Las Lomitas Elementary School District · LLESD
LLESD uses a distinctive two-school structure: Las Lomitas Elementary School, located in Atherton, serves K–3, while La Entrada School, located in Menlo Park, serves Grades 4–8.
Sequoia Union High School District · SUHSD
Atherton's public high-school level is served by Sequoia Union High School District. Menlo-Atherton High School is located directly in Atherton and is the community's primary comprehensive public high school.
Menlo School
Menlo School is an independent college-preparatory day school located in Atherton, serving students in Grades 6–12.
The school includes both a Middle School and an Upper School and is one of the Peninsula's most prominent independent secondary schools.
Menlo emphasizes academic excellence, intellectual curiosity, independent thinking, and the broader development of each student.
Beyond the classroom, students have access to a wide range of arts, athletics, global learning, and student activities, creating a well-rounded campus experience.
For Atherton families, one of Menlo School's defining advantages is its location directly within the community, making it one of Atherton's most recognizable private-school options.
Sacred Heart Schools, Atherton
Sacred Heart Schools, Atherton is a Catholic independent coeducational school located in Atherton, offering education from Preschool through Grade 12.
The school includes Montessori Preschool, Lower School, Middle School, and Sacred Heart Preparatory, creating a continuous educational pathway from early childhood through high school.
Sacred Heart's educational philosophy emphasizes academics, character development, community, service, and the overall growth of each student.
Its large Atherton campus brings Preschool, K–8, and Preparatory education together within one school community, which is one of its most distinctive characteristics.
For families seeking a long-term private-school pathway from early childhood through high school, Sacred Heart is one of Atherton's most important educational options.
Phillips Brooks School
Phillips Brooks School is located in Menlo Park, close to Atherton, and is an independent school serving Preschool through Grade 5.
The school combines strong academics with social-emotional development, focusing closely on how children learn and grow during the early and elementary years.
Its educational approach emphasizes hands-on learning, collaboration, curiosity, and independent thinking.
For Atherton families, Phillips Brooks is a nearby private-school option focused specifically on early childhood and elementary education.
Castilleja School
Castilleja School is an independent school for girls serving Grades 6–12 in Palo Alto.
The school has a long-standing focus on girls' education and is one of the Peninsula's most prominent independent middle and upper schools for girls.
Castilleja emphasizes academic excellence, intellectual curiosity, leadership, and the development of student confidence.
Students also have access to arts, athletics, student leadership, and community-engagement opportunities.
For Atherton families, Castilleja's Palo Alto location is relatively convenient and makes it an important nearby independent-school option for girls.
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Neighborhoods
Lindenwood
Lindenwood is one of Atherton’s most distinctive neighborhoods, known for mature trees, winding roads and historic estate character. Many properties sit on lots approaching one acre, creating a private and established residential setting.
Lloyden Park
Located between El Camino Real and the railroad, Lloyden Park has a noticeably different scale from Atherton’s estate districts. Lots are generally around one-third of an acre, with sidewalks, streetlights and underground utilities adding a more suburban feel.
West Atherton
West Atherton is defined by broad streets, mature trees, expansive parcels and exceptional privacy. Lots around one acre are highly characteristic, with some estate parcels substantially larger. New custom estates continue to reshape the neighborhood.
West of the Alameda
West of the Alameda generally refers to the Atherton residential area west of Alameda de las Pulgas. Many properties sit on lots approaching one acre or larger, with mature landscaping, low density and a strong sense of privacy.
Lindenwood
Lindenwood is one of Atherton’s most historic and visually distinctive residential neighborhoods. Mature trees, winding roads and a quiet estate setting give the area a character that is immediately recognizable.
The neighborhood’s history reaches back to the nineteenth century. Much of the area was once part of the large summer estate of James C. Flood, one of the prominent figures associated with California’s nineteenth-century silver wealth. His approximately 600-acre property included Linden Towers, an elaborate 44-room mansion.
Elements associated with the former estate can still be seen throughout the neighborhood, including historic-style entrances, ornamental features and landscape elements. Combined with mature tree canopies and curving roads, these details give Lindenwood an unusually established character.
Many Lindenwood properties sit on lots approaching one acre. The housing stock includes older residences, extensively renovated homes and newer custom estates.
Compared with West Atherton, Lindenwood retains a somewhat greater concentration of older homes and historic neighborhood character. It is especially appealing to buyers who value mature landscaping, privacy and a more traditional estate environment.
Lloyden Park
Lloyden Park lies between El Camino Real and the railroad, centered around streets such as Wilburn Avenue and Lloyden Drive. Compared with Atherton’s large estate districts, it has a more traditional suburban neighborhood character.
The neighborhood was subdivided in the early twentieth century as a single-family residential community. Lots are generally around one-third of an acre, considerably smaller than the approximately one-acre parcels commonly associated with other parts of Atherton.
Lloyden Park is also unusual within Atherton for its infrastructure. The neighborhood includes sidewalks, streetlights and underground utilities, giving its streets a more conventional Peninsula suburban appearance.
Architectural styles include Tudor, Mediterranean and Shingle-style homes, along with renovated and newer residences. The neighborhood offers an interesting alternative for buyers who want an Atherton address without the full estate scale found elsewhere in town.
West Atherton
West Atherton is one of the town’s most recognizable luxury estate districts, defined by expansive residential parcels, exceptional privacy and a strong country-estate atmosphere.
Historically, this part of town was closely associated with the extensive private holdings of Faxon Dean Atherton. The legacy of large landholdings remains visible today in the neighborhood’s remarkably low-density residential pattern.
Lots around one acre are highly characteristic of West Atherton, with some estate parcels substantially larger. For buyers, land size, parcel configuration, mature trees, privacy and redevelopment potential can be as important as the size of the existing residence.
Streets are generally broad and lined with mature oak, cedar and pine trees. Many roads have no sidewalks, while hedges, gates and private entrances reinforce the area’s rural-estate quality.
The housing stock continues to evolve. Traditional Ranch-style homes have increasingly been replaced or substantially expanded into large custom residences and modern luxury estates. Land, privacy and scarcity remain the neighborhood’s fundamental value drivers.
West of the Alameda
West of the Alameda generally refers to the Atherton residential area west of Alameda de las Pulgas. Much of this area reflects Atherton’s characteristic low-density, large-lot and heavily landscaped residential setting.
Many properties sit on lots approaching one acre or larger, although parcel size, shape and usable land can vary considerably from street to street. As a result, total lot size alone does not fully describe the value or development potential of a property.
Housing ranges from older traditional and Ranch-style residences to extensively renovated properties and newer custom estates. Individual streets can differ meaningfully in road character, parcel configuration and privacy.
For many buyers, the appeal of West of the Alameda comes from land, quiet surroundings and estate-style living, while maintaining convenient access to Menlo Park and other central Peninsula destinations.
When evaluating individual properties, mature trees, setbacks, usable yard area, road exposure and redevelopment potential can all materially affect value.