SERHANT. Commercial has been exclusively retained to represent the sale of a premier professional office co-op at 330 Third Avenue, ideally positioned in the heart of Gramercy. This 885 square foot space offers a turn-key opportunity for medical practitioners, wellness providers, legal professionals, or boutique service businesses seeking a polished home base in one of Midtown South's most active corridors. 330 Third Avenue sits at the center of a neighborhood defined by steady daytime population, dense residential traffic, and proximity to NYU Langone, Bellevue, and the broader Medical Mile, making it a natural fit for practice-based tenants and client-facing operators. The location offers immediate access to the 6 train at 28th Street and 33rd Street, along with crosstown bus service along 23rd Street and walkable access to NoMad, Flatiron, Murray Hill, and Kips Bay. With an efficient layout, strong natural light, and corner presence at East 24th Street and Third Avenue, this suite offers dual entry, doorman access, and the discretion of a ground-floor professional address.