Mary-Jean Gianquinto

Mary-Jean Gianquinto is a distinguished Multi-Million Dollar Club member and Top Producer known for delivering exceptional results in Brooklyn’s competitive real estate market. Her success is rooted in one defining principle: relationships first. With perceptive insight, strategic precision, and unwavering professionalism, Mary-Jean ensures her clients’ most significant investments are handled with discretion, expertise, and care.

Recognized as a Rising Star in Real Estate by Crain’s New York Business, Mary-Jean has built a reputation as a trusted advisor in residential sales, acquisitions, and rentals. She has shared her expertise as a guest panel speaker with the Real Estate Board of New York on cultivating buyer loyalty in fast-moving markets. Her work and insight have been featured in The New York Times and Brownstoner, where she has discussed guiding clients through life transitions with the unique perspective of a trained social worker.

Mary-Jean’s diverse professional background, including experience as a small business owner, interior designer, adoption consultant, and licensed social worker, allows her to approach every transaction strategically . She understands that buying or selling a home is both a financial milestone and personal decision.

A Brooklyn homeowner herself, Mary-Jean and spouse restored their turn-of-the-century limestone townhouse, giving her firsthand knowledge of renovation, value enhancement, and architectural integrity. She shares her home with her family and their rescue Siberian Husky, Lola. A passionate advocate for animal welfare, she donates a percentage of each closed transaction to local rescue organizations.

Consistently ahead of market trends and negotiation strategy, Mary-Jean proves that strong markets reward strong representation. For buyers and sellers seeking a results-driven, relationship-focused advisor, she delivers excellence at every level.