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Agent Profile

Karen A. Gastiaburo

Karen A. Gastiaburo

Licensed Associate Real Estate Broker
Harlem Office


Tel: (212) 381-2507
Cell: (917) 885-9136

Languages Spoken:      SPANISH, ENGLISH

Karen has made an indelible mark on the real estate industry in the four decades she has been working as a real estate professional. She knows the New York City marketplace inside and out. Karen’s real estate career began while she was pursuing acting, when she quickly discovered she had a real knack for matching people and properties.

Drawing on the communication skills she developed as an actor and 36 years in the industry, Karen ensures all her clients receive exceptional customer service. She is also a certified yoga and meditation teacher, and is known for maintaining grace under pressure as she calmly guides her clients through the twists and turns of the sales process. “Having a clear mind is the key to a successful closing,” she likes to say.

Karen was a longtime resident of the Upper West Side, has sold properties in neighborhoods across the city and facilitated the launch and managed two Tribeca real estate offices these past 20 years. She now lives in Harlem, where she is a homeowner in a neighborhood she loves for the diverse restaurants, lively art and music culture and close-knit community. She dedicates a generous amount of time to community initiatives in the arts (Art In FLUX) and healthy living, where she is an ambassador to (THAY) a non-profit organization that inspires community healing and activism through yoga.

Karen is an NYRS Designee, having received the Real Estate Board of New York’s premier professional residential real estate credential and is an active member of REBNY. She has served several terms as Co-Chair of the Downtown Committee, where she was instrumental in facilitating harmonious relations among the industry firms, and on the committee for Deal of the Year an annual REBNY Gala and has been newly appointed to REBNYS’s Ethics Committee.

Halstead Property, LLC

Current Listings

Past Closings

The following are selected closed transactions in which Karen A. Gastiaburo represented the buyer, the seller, or both:


Market Reports