About Jennifer Keenan

Born and raised on Long Island, Jennifer Keenan brings a legacy of real estate excellence combined with a proven track record of success in the high-stakes world of medical device sales. Having worked side-by-side with world-renowned surgeons, Jennifer mastered the art of precision, focus, and delivering results under pressure—qualities she now applies to every real estate negotiation.

Her tenacity and rise to success in the real estate market are fueled by an unwavering belief that her reputation is everything. Each client is treated like family, and Jennifer consistently goes above and beyond to ensure their goals are not only met, but exceeded.

Trusted by high-net-worth clients including top physicians and executives, Jennifer has already closed millions in sales while building a reputation for urgency, discretion, and unmatched dedication. She thrives in fast-paced, competitive environments, always protecting her clients’ interests and maximizing value.

Real estate runs in Jennifer’s DNA. Her mother, a respected broker, instilled in her the importance of integrity, hustle, and building lifelong relationships. Today, Jennifer carries that legacy forward—delivering a level of service defined by passion, results, and a personal touch that makes every client feel like her only client.

At SERHANT., Jennifer leverages one of the most powerful media-driven platforms in the industry to give every property maximum exposure, ensuring her listings stand out and sell faster at the highest possible price. For sellers looking to capture the attention of serious buyers—and for buyers seeking access to Long Island’s most coveted homes—Jennifer Keenan is the advisor who delivers.