401 Park Avenue South is a 12-story office building with ground-floor retail located at the prominent southeast corner of Park Avenue South and East 28th Street in Manhattan’s Gramercy Park neighborhood. The property comprises approximately 248,000 square feet and offers flexible, full-floor office layouts with high ceiling heights, abundant natural light, and open floor plans designed to accommodate a range of creative and professional tenants. Originally constructed in the early 20th century and later renovated, the building features modernized lobbies and contemporary interior finishes.