Skip to main content
The Corcoran Group, a Luxury Real Estate Company, Logo

Nancy Costello 
  • Licensed RE Salesperson
  • licensed as Nancy L Costello

    About Nancy
    High energy, attention to detail and tech saviness is what Nancy Costello brings to her many satisfied customers. As a lifelong resident of the Hamptons, her customers rely on her comprehensive knowledge and expertise in the east end real estate market. Nancy began her career on the marketing side of the financial services industry in Manhattan. Her further experience in Social Work rounded out her expertise due to the concentrati...
    Experience
    • 23 Years in Real Estate
    Education
    • University of Maryland at College Park of 1990
    Languages
    • English

    Browse Nancy Costello’s listings.

    • For Rent
    • Sold
    • Price high to low
    • Neighborhoods A-Z
    • Beds high to low
    • SQ FT high to low
    • Property type A-Z
    • Address A-Z
    Select view buttons
    AddressNeighborhoodPriceBedsBathsSq FtProperty Type
    10 Juniper LaneSouthampton$72,000442,000traditional
    21 Dover AvenueSouthampton$35,000221,000cottage
    11 Oak LaneHampton Bays$17,000422,052traditional
    1/4
    Southampton

    10 Juniper Lane, Southampton, NY 11968

    traditional
    • 4 BD
    • 4 BA
    • 2,000 Sq. Ft.
    Building presented by Corcoran
    Courtesy of Corcoran
    $72,000
    1/14
    Southampton

    21 Dover Avenue, Southampton, NY 11968

    cottage
    • 2 BD
    • 2 BA
    • 1,000 Sq. Ft.
    Building presented by Corcoran
    Courtesy of Corcoran
    $35,000
    1/10
    Hampton Bays

    11 Oak Lane, Hampton Bays, NY 11946

    traditional
    • 4 BD
    • 2 BA
    • 1 HB
    • 2,052 Sq. Ft.
    Building presented by Corcoran
    Courtesy of Corcoran
    $17,000
    Learn more about Nancy Costello.
    Press Mentions
    • Check Out This North Haven Waterfront Home Plus More Hamptons Open HousesRead more