Richest ZIP Codes by the Numbers

Atherton, Calif. (94027) is the most expensive ZIP code in the nation, located in the state with the biggest concentration of pricey ZIPs in the U.S.

According to a new ranking of the most expensive U.S. ZIP codes based on closed home sales, California has the number one most expensive ZIP code, is home to 82 out of the top 100 most expensive ZIPs, including 30 in Silicon Valley (the highest concentration in Property Shark's study), and San Francisco shares the distinction with New York City of having the most of these luxurious locations, with 9 ZIP codes each. Ranked second, Sagaponack in Suffolk County, N.Y. had 95 percent median sale price growth, regaining its 2016 values.

On a city level, San Francisco lead nationally with 9 ZIP codes in 2017. This year, San Francisco is tied with NYC for the city with the highest number of ZIPs, with each contributing 9 ZIP codes. However, while San Francisco’s most expensive ZIP code 94123 is placed 40th, NYC claimed #4 with ZIP code 10013. Covering parts of exclusive NYC neighborhoods like SoHo and TriBeCa, 10013 posted a $3.81 million median sale price in 2018. With a 7 percent year-over-year contraction in the median sale price, 10013 dropped below the $4 million threshold and lost last year’s #2 spot.

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