ATHERTON, Calif. - For another straight year, and despite a slight drop in its median sales price, a small town on the Peninsula received the distinction of having the #1 most expensive zip code ...

T he Bay Area once again made a big showing in the world of exorbitant real estate, claiming 39 of the top 100 most expensive ZIP codes in the U.S. — including the nation’s most expensive for ...

Area code 510 covers a number of East Bay cities in Northern California. This includes some cities in west Contra Costa and Alameda counties like Hayward and Fremont. Cities on the inland areas of ...