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Nancy O'Brien
Licensed Real Estate Salesperson
REALTOR®, CBR
(516) 361-7284
Find a Home
Sell a Home

Customer Reviews View all reviews

Lauren DuCharme

November 5, 2025
Testimonial

Nancy O'Brien is an exceptional agent who genuinely cares about her clients. As first-time homebuyers, we appreciated how patient and responsive she was throughout the whole journey. She guid... read more

Jake DuCharme

November 5, 2025
Testimonial

Nancy showed great initiative and really helped guide us through the process as first time home buyers. Would recommend her to anyone.

Debbie Morvillo

November 5, 2025
Testimonial

Nancy was outstanding throughout the process, helping us competitively price our home, stage and market it, as well as navigate a complex sale with a difficult buyer. Nancy fought to protect our in... read more

Peter Charlton
Seller
December 4, 2020
Testimonial

Nancy who I have known since childhood was incredible with helping me sell my family home of the last 81 years. I would highly recommend her to anyone. She was so professional and knowledgeable.

About Nancy O'Brien, CBR

Nancy O'Brien has been selling and listing real estate in the Rockville Centre area since 1998!

With a Bachelor of Arts degree in business from Fordham University and 5 years of experience at Merrill Lynch (with a Series 7 certification), Nancy decided to embark on a career in real estate.

Born and raised in Rockville Centre, Nancy has chosen to return to the community that she loves. As a youth, Nancy attended St. Agnes Elementary School and continued onto St. Agnes High School (now known as Kellenberg Memorial High School). Today, she is an active parishioner in St. Agnes Parish and Organization within the Village of Rockville Centre. Nancy has been involved in the Rockville Centre Soccer, Baseball, and Lacrosse Clubs, as well as CYO Basketball, and, will still help when needed.

The happiness Nancy finds in this area is something she wishes to share with you. The purchase or sale of your home/co-op/condo is the biggest and most important financial decision you'll face in life and  Nancy is devoted to walking you through each step of the process. Contact Nancy today to find out how she can assist you with buying, or selling a property! Don’t forget to ask for your complimentary Market Watch!

Awards:
2022 – Office Elite
2023 - Gold Level Achievement, Companywide
2022 – Silver Level Achievement, Companywide
2023, 2021 – Pinnacle Award, Companywide

Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information on this site was last updated 04/18/2026. The listing information on this page last changed on 04/18/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Sat 04/18/2026 3:57:43 AM EST) or OneKey MLS (last updated Sat 04/18/2026 1:45:20 AM EST). Real estate listings held by brokerage firms other than Howard Hanna | Coach Realtors may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.
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Agency License Information: https://www.coachrealtors.com New York State Real Estate Broker Principal Office License Number: 10991237973


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