ATHERTON, CA — America’s most expensive zip code is in the Bay Area, according to a recent analysis from RealtyHop. Atherton code 94027 took the top spot for the fifth year in a row ...

Atherton remains at the top with the most expensive zip code in the U.S. in 2024. The Bay Area had 39 of the most expensive zip codes in the new rankings. California topped any other state by a ...