Casey Mullin

Certified Negotiation Expert (CNE®)
Casey Mullin is a trusted real estate advisor known for delivering strategic guidance, discretion, and results. With over 30 years of hands-on experience in NYC real estate - including residential sales, leasing, development, and property management - she brings a rare 360-degree perspective to every deal and an unwavering commitment to her clients’ long-term success.
Casey's diverse clientele ranges from first-time buyers to high-profile individuals and institutional landlords. Regardless of their background, her clients share a common desire for thoughtful, high-integrity representation and value her clear communication, calmness under pressure, and fierce protection of their time, privacy, and interests.
With transactional experience across all property types and an extensive background managing luxury coops and condos, overseeing complicated projects, and leading the construction and lease-ups of new developments, Casey is uniquely prepared to navigate complexity. Fluent in board dynamics, building systems, and value-add opportunities, Casey offers her clients insight and a strategic edge in competitive markets.
As a buyer, seller, and former landlord herself, Casey understands both the financial and emotional sides of real estate. She brings empathy, foresight, and advocacy to every step of the process. When she’s not helping clients realize their real estate goals, Casey spends most of her time in and around the ocean- surfing, riding her bike, and recharging for the next challenge.
Every transaction and every relationship begins with a conversation. I’d love to hear your story- and help you write the next chapter.