Most Expensive ZIP Codes in the US

The full ranking

Most Expensive ZIP Codes in the US

Where the median home costs eight figures. Miami Beach's Fisher Island dethroned Atherton in 2025 to lead America's priciest ZIP codes, ranked by median sale price.

1. 1

   Fisher Island, Miami Beach, FL (33109; $9.5M median)

   Reachable only by ferry or private yacht, this exclusive barrier island off Miami Beach posted a $9.5 million median sale price in 2025, up a staggering 65 percent year over year. It unseated Atherton as the nation's most expensive ZIP code.

2. 2

   Atherton, CA (94027; $8.33M median)

   The leafy Silicon Valley enclave reigned as America's priciest ZIP for eight straight years before slipping to second in 2025 at a $8.33 million median. Tech founders and venture capitalists fill its gated estates.

3. 3

   Sagaponack, NY (11962; $5.93M median)

   This tiny Hamptons hamlet of farm fields and oceanfront estates has been New York's most expensive ZIP for a decade, with a 2025 median just under $6 million. Billionaires prize its potato-field-to-dune real estate.

4. 4

   Newport Beach, CA (92661; $5.72M median)

   The Balboa Peninsula's waterfront homes helped make Newport Beach the country's most expensive city, with three ZIPs in the national top 10. This one posted a $5.72 million median in 2025.

5. 5

   Water Mill, NY (11976; $5.5M median)

   A Hamptons village between Southampton and Bridgehampton where pond-front and oceanfront compounds drove a $5.5 million median in 2025. It is one of the few non-California ZIPs in the national top 10.

6. 6

   Montecito, CA (93108; $5.24M median)

   The Santa Barbara County hideaway of celebrities and royals, from Oprah to Harry and Meghan, posted a $5.24 million median in 2025. Its hillside estates and ocean views command coastal-California premiums.

7. 7

   Stinson Beach, CA (94970; $5.23M median)

   A small Marin County beach town north of San Francisco that surged 38 percent in 2025 to a $5.23 million median, cracking the national top 10 for the first time. Scarcity and coastal charm fuel the spike.

8. 8

   Newport Beach, CA (92657; $5.19M median)

   The Newport Coast area, home to guard-gated communities like Pelican Hill and Crystal Cove, logged a $5.19 million median in 2025. It is one of Newport Beach's three entries among the priciest ZIPs.

9. 9

   Los Altos, CA (94022; $5.1M median)

   This Silicon Valley town near Palo Alto crossed the $5 million median mark for the first time in 2025. Tree-lined lots and top schools draw tech executives priced out of nearby Atherton.

10. 10

    Newport Beach, CA (92662; $5.1M median)

    Balboa Island's compact, canal-lined cottages and bayfront homes posted a $5.1 million median in 2025, rounding out Newport Beach's trio in the national top 10.

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