Atherton

Atherton, California's 94027 ZIP code has become the most expensive in the U.S., with median home prices reaching nearly $10 million in the first half of 2026, a roughly 20% jump from the prior year, …

Atherton, a Silicon Valley enclave, has reclaimed the title of the most expensive US ZIP code, surpassing Miami's Fisher Island, according to PropertyShark. The median home price surged 20% to nearly …