135 West 29th Street, also known as the Haymarket Building, is a 12-story loft-style office property located between Sixth and Seventh Avenues in Manhattan’s Chelsea neighborhood. Originally constructed in 1911, the building features classic prewar architecture combined with modern upgrades. The property has undergone a recent renovation and repositioning, including improvements to the lobby, elevators, and building infrastructure. Tenants benefit from a fully attended lobby, modern access control systems, and professionally managed common areas. A communal rooftop deck is available, with select upper-floor tenants having access to private outdoor space. Located at the intersection of Chelsea, Flatiron, and NoMad, 135 West 29th Street offers exceptional access to transportation, dining, and retail amenities. The building is within close proximity to Penn Station, Herald Square, Madison Square Garden, and multiple subway lines, making it a highly accessible Midtown South office location. The Haymarket Building is well suited for creative, technology, media, and professional office users seeking a character-rich loft environment in a prime Manhattan submarket.