Margaret Mary O'Connell

Real Estate Salesperson



Margaret Mary O'Connell is a skilled and experienced real estate agent who has been working in the industry since 2014. As a member of Daniel Gale Sotheby's International Realty, she takes pride in the company's superior marketing and training programs. Her affiliation with Sotheby's International Realty also provides her with access to a global network of clients and resources, which she leverages to provide exceptional service to her clients.
Margaret Mary's academic background is impressive, as she holds a Bachelor of Science degree from the University of Scranton, as well as a Master of Business Administration degree from Fordham University. Her 15-year career in the financial services industry provided her with valuable skills that she has been able to apply to her current role in real estate. Margaret Mary is well-known for delivering top-notch client service, forging strong relationships, and handling paperwork and legal matters with ease.
As a lifelong resident of Rockville Centre, she deeply appreciates the small-town feel and strong sense of community in the area. She loves the close proximity to both the ocean and New York City, providing her with endless opportunities to enjoy all that they have to offer. Her extensive experience living and working here has given her an intimate knowledge of the area and the surrounding neighborhoods in Nassau County, making her an expert in the local real estate market.
Margaret Mary’s passion for finding people their dream home drives her to deliver exceptional and personalized service to clients. With extensive knowledge of the buying and selling process, she provides valuable expertise and guidance in finding the ideal location—whether it's a vacation home, investment property, or primary residence. Her commitment to building strong relationships, exceptional skills, and a global network has earned her the reputation of being "the only realtor you need."
In her free time, Margaret Mary enjoys playing golf, swimming, and spending quality time with her husband, Bernard, and their four children. She is committed to giving back to her community and regularly volunteers her time to local causes and charities. Through her involvement, she has built a strong network of relationships and a deep understanding of the unique needs and values of the area.

Business Details


Regent Territory

North Shore of Long Island

Service Areas


Additional Resources

Featured Listings

146 S Forest Avenue

Rockville Centre, NY, United States

$849,000 USD

3 3
80 Walnut Avenue

Rockville Centre, NY, United States

$699,000 USD

4 2


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