Rosanne D'Agostino

Licensed Associate Real Estate Broker

Real Estate Agent

About Rosanne

Rosanne is full time Licensed Associate Broker at Douglas Elliman Real Estate, and has been in the business for many years. She is a lifelong resident of Long Island, with her roots in Smithtown, who has also had the privilege to call other areas of Suffolk County home.

Rosanne is a graduate of St. Joseph's College and holds a Social Science degree. She also has had many years of experience in a creative marketing position. This gives her the ability to offer her seller clients the competitive advantage that is required in today's market. She has also demonstrated a strong record of successfully guiding her buyer clients - including first-time homebuyers, down the path to homeownership.

Rosanne knows Long Island well, and has serviced home buyers and sellers from Nassau to the two forks. As a seasoned real estate professional, she recognizes and values the trust her clients place in her, and strives every day to exceed their expectations.

Rosanne's clients can count on her any time of day when they have a question or concern. The most important thing to her is providing excellent five star service to buyers and sellers and earn their trust, referrals, and repeat business! Her business is based on more than 80 percent referrals from satisfied people who trust that she will provide the same level of service to their friends and family.

If you are thinking of making a move, call Rosanne for the highest quality experience - because you deserve the best!

To check out Rosanne's website, go to

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  • President's Circle Award
  • Leading Edge Award
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  • English

Rosanne D'Agostino

300 Main St
East Setauket, 11733