It’s no secret that buying a home in the Garden State can cost you a pretty penny, and a new 2025 report sheds light on where it is most expensive to purchase a house.
PropertyShark has released its annual study on the most expensive zip codes in the United States. To determine the rankings, the company looked at registered residential transactions that closed between January 1 of this year through September 30.
New Jersey’s most expensive zip codes were led by the Bergen County borough of Alpine, long a mainstay on the list. Alpine’s 07620 came in at 13th in the nation with an average home sale price of $4.35 million, putting it over the $4 million threshold for the first time ever.
The Jersey Shore otherwise ruled the list of most expensive places to buy a home in New Jersey. Deal’s 07723 came in at #22 nationwide with an average home sale price of $3.55 million, while Stone Harbor in Cape May County clocked in at 57th in the nation with an average home sale price of $2.555 million.
The New York City suburbs weren’t completely shut out from the list, however. The Essex County town of Short Hills ranks 69th in the country while reaching new record highs with an average home sale price of $2.42 million.
Two other Jersey Shore spots rounded out New Jersey’s presence in the top 100. The Cape May County town of Avalon came in at #75 with an average sale price $2.36 million, while Allenhurst’s 07711 joined the rankings for the first time with a $2.15 million.
New Jersey’s nearest neighbor claimed a spot in the country’s top 10 most expensive zip codes, with the Long Island spot of Sagaponack having a 2025 median sale price of $5.925 million. New York otherwise had one of its weakest showings on the list in a decade, with just 15 zips ranking in the top 100 and only three of those from New York City.
The Hamptons remained New York’s luxury anchor with nine Suffolk County zip codes in the top 100. A total of 15 states contributed to the country’s top 100 most expensive zip codes, with California accounting for 61% of the entries.
After eight consecutive years as the #1 most expensive zip code in the country, Atherton’s 94027, with an average sale price of $8.33 million, was overtaken by 33109, better known as Fisher Island, a private island in Miami Beach, Florida, with a whopping $9.5 million average sale price.
The study noted the rapid appreciation of the most expensive zip codes, which is in line with real estate overall. A median sale price of $2 million was required to make the top 100 this year, a mark that fewer than 50 of the most exclusive zip codes had reached just five years ago. A record 10 zip codes in the report surpassed $5 million in average sale price.
