Atherton | San Mateo County, CA | America's Most Expensive Zip Code
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Browse All ListingsPopulation: 7,200+
Atherton is served by multiple K–8 districts depending on location: Menlo Park City SD and Las Lomitas SD, both rated A+ by Niche. High school students attend Menlo-Atherton High School in the Sequoia Union HSD. Private schools (Menlo School, Sacred Heart Prep) are popular choices.
| School | Level | Rating |
|---|---|---|
| Menlo-Atherton High School | High | A |
| La Entrada Middle School | Middle | A+ |
| Las Lomitas Elementary | Elementary | 10/10 |
| Encinal Elementary | Elementary | 9/10 |
Prestigious area with grand estates on multi-acre lots, private driveways, and mature oak and redwood trees.
Ultra-exclusive enclave with sprawling properties, equestrian facilities, and proximity to I-280 and Stanford.
Centrally located neighborhood with elegant homes on generous lots, walking distance to Holbrook-Palmer Park.
Established neighborhood featuring large lots with mature landscaping, close to the Menlo Circus Club.
Atherton Caltrain station provides ~32 min rides to SF. Near I-280 and US-101. Residents typically drive. Private car services and corporate shuttles are commonly used. SFO airport approximately 25 minutes.
Atherton is exclusively residential with no commercial districts. Residents utilize downtown Menlo Park (Santa Cruz Avenue), Palo Alto (University Avenue), and Stanford Shopping Center for dining and retail.
Holbrook-Palmer Park is the town's jewel — 22 acres with gardens, event facilities, tennis courts, and a playground. Menlo Circus Club and private country clubs serve residents. Stanford's Dish Trail and Jasper Ridge are nearby.
Stanford Health Care and Lucile Packard Children's Hospital are within 10–15 minutes. World-class medical facilities and specialists are readily accessible.
Atherton Arts Committee events, Holbrook-Palmer Park community gatherings, annual Atherton Dames holiday home tour, and private charitable galas.
Atherton's 94027 zip code has repeatedly been ranked as the nation's most expensive. The town combines large estate lots (1+ acres), proximity to Stanford University and Sand Hill Road venture capital, top-rated schools, and an ultra-exclusive residential character with no commercial development. Tech billionaires, venture capitalists, and executives are among its residents.
Atherton is entirely residential with no commercial properties. The town has a 1-acre minimum lot size in most areas, no sidewalks, and a heritage tree ordinance protecting its lush canopy. Properties range from historic estates to modern architectural statements, often behind gates and private drives.
Atherton is split between the Menlo Park City SD and Las Lomitas SD for K–8 (both rated A+), with Menlo-Atherton High School for grades 9–12. Many families also choose prestigious private schools: Menlo School (K–12), Sacred Heart Prep, and Saint Joseph's are all in or near Atherton.
Effective tax rates are approximately 1.0–1.1% of assessed value. On a $7M home, that translates to roughly $70,000–$77,000 annually. Atherton has no local sales tax revenue due to having no commercial properties, so property taxes and parcel taxes are the primary revenue sources.
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