The country’s top ten most expensive zip codes all have median home prices of more than $4 million, according to a report from Property Shark. This is the first time that has happened. And 30 of the top 100 priciest zip codes have median prices of over $3 million, more than twice the number of areas at that price last year.
Atherton, California — which sits outside of San Francisco in Silicon Valley and is home to tech billionaires and venture capitalists — is the most expensive zip code in the country for the fifth year in a row, with a median home price of $7.5 million. The town of…