Tag: propertyshark

The East End continued to dominate Long Island’s presence on the annual list of the 100 priciest zip codes in the U.S. 

Nine of the 11 Long Island locales that made the top 100 list are on the East End, with Sagaponack grabbing the third spot and Water Mill at number five. Last year, Sagaponack was second and Water Mill was third. 

Here are the Long Island zip codes and their median home sale prices on the 2025 top 100 list from PropertyShark.com: 

#3 Sagaponack, $5.925 million  

#5 Water Mill, $5.5 million  

#12 Wainscott, $4.5 million  

#36 Amagansett, $2.998 million 

#39 Bridgehampton, $2.875 million  

#40 Old Westbury, $2.864 million  

#46 Quogue, $2.723 million 

#85 Fishers Island, $2.213 million 

#90 Sag Harbor, $2.185 million 

#91 Southampton, $2.175 million 

#99 Manhasset, $2.05 million 

The top spot went to Fisher Island in Miami Beach with a median of $9.5 million, which knocked Atherton, Calif. ($8.333 million) to number two. 

California again ruled the top of the priciest zip codes list with eight in the top 10. After Atherton, Newport Beach, Calif. had three zip codes in the top 10, with ($5.72 million) at #4, ($5.188 million) at #8 and ($5.1 million) tied with Los Altos, Calif. for #9; Santa Barbara, Calif. ($5.24 million) was #6; and Rancho Santa Fe, Calif. ($4.995 million) at #10. 

This year, $2 million was the minimum median sale price to make the top 100, while five years ago, fewer than 50 of the most exclusive zip codes had reached that mark. For the first time, 10 zip codes had median sale prices of over $5 million.  

To determine the most expensive zip codes in the U.S., Property Shark looked at residential transactions closed between Jan. 1, 2025, and Sept. 30, 2025, including condos; co-ops; and single- and two-family homes. Median sale prices were rounded to the nearest $1,000.   

Only zip codes that registered a minimum of five residential transactions were considered.