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Joan Witkin Gross Real Estate Salesperson

  • Member of the National Association of Realtors
  • Member of the Long Island Board of Realtors & Multiple Listings Service
  • Certified Buyer Representative, CBR
  • Short Sales and Foreclosure Recourse Certificate, SFR


Having lived and raised a family on Long Island's Gold Coast since 1978, Joan (Sierchio) Gross has had her hand on the pulse of Long Island real estate for more than three decades. As a Daniel Gale Sotheby's agent, Joan takes pride in providing both her customers and clients with the most up-to-date resources and information in order to assist them with making well-informed real estate decisions. Joan is confident at negotiating and counseling clients through the selling or purchasing process. As a respected and dedicated member of the community, Joan, has participated in cooking for the North Shore Interfaith Nutrition Network's Soup Kitchen, served as a board member of the Sid Jacobson JCC, Hadassah, North Shore School's PTA, Coordinating Council, and Shared Decision Making. Her background is in Fine Arts and Design.
Since 1922, the Daniel Gale Sotheby's International Realty sales professionals have remained committed to the essential principles of integrity, confidentiality, personal attention, and excellent quality of service. You have Joan's commitment to diligence and discretion - she is ready to assist you with all your real estate needs, whether purchasing or selling a home or commercial property.

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