San Mateo County

Atherton

America's most expensive zip code — gated estates, billion-dollar neighbors, and absolute privacy.

Median

$8.6M

Inventory

Highly limited

Schools

10 / 10

Atherton is its own market. Most transactions happen off-market through a small network of agents and trusted relationships. Average lot sizes exceed one acre. Discretion, preparation, and proven buyer relationships matter far more than volume marketing.

What sets it apart

West Atherton and Lindenwood command the highest absolute pricing
Off-market activity accounts for the majority of true luxury transactions
Adjacent to Sacred Heart, Menlo, and Castilleja school networks

Market note

Median sale price up 11.3% YoY. Average days on market for listed inventory: 42. True transaction velocity is significantly higher when off-market activity is included.

Live listings

Homes for sale in Atherton

Real-time MLS inventory, refreshed continuously. Save searches and request private tours.

Curated for Atherton

Browse by lifestyle

Luxury Modern Homes

Architect-driven, recently built, move-in extraordinary.

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Homes with Large Backyards

Room for the kids, the dog, the trampoline, and the table for ten.

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Quiet & Safe Communities

Tree-lined, low-traffic, low-incident, high-trust.

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