The 10 Most Expensive Northeast ZIP Codes — Average Homes Start Near $3 Million

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Buying a home in the Northeast has always been pricey, but in some neighborhoods, the region’s luxury real estate market has reached new heights. PropertyShark analyzed 2025’s high-end transactions to identify the most expensive ZIP codes in the area — and the list is dominated by Hamptons enclaves, exclusive New Jersey suburbs and sought-after Manhattan neighborhoods.

Here’s a look at the Northeast ZIP codes with the highest median home sale prices in 2025.

1. 11962 (Sagaponack, New York)

• Median sale price (2025): $5,925,000

2. 11976 (Water Mill, New York)

• Median sale price (2025): $5,500,000

3. 11975 (Wainscott, New York)

• Median sale price (2025): $4,500,000

4. 07620 (Alpine, New Jersey)

• Median sale price (2025): $4,350,000

5. 10013 (New York)

• Median sale price (2025): $3,700,000

6. 07723 (Deal, New Jersey)

• Median sale price (2025): $3,550,000

7. 10007 (New York)

• Median sale price (2025): $3,188,000

8. 11930 (Amagansett, New York)

• Median sale price (2025): $2,998,000

9. 11932 (Bridgehampton, New York)

• Median sale price (2025): $2,875,000

10. 11568 (Old Westbury, New York)

• Median sale price (2025): $2,864,000

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