381/373 Park Avenue South

Owned and operated by ATCO, 381 Park Avenue South is a 17 floor (16 plus PH), 228,000 SF commercial office building and 373 Park Avenue South is a 12 floor, 111,000 SF commercial office building, located on Park Avenue South between 27th and 26th Streets in Manhattan’s Flatiron District. These sister buildings were built in the early 1900's, and both reflect the architecture of classical buildings. Celebrating the beauty of old New York, the terracotta façade is filled with complex fan arches, fluted spandrels, sills, jambs, lintels, ornate columns, and decorative urns.

The buildings offer excellent northern and western views allowing for sunny exposures and flexible floorplates that range from full floor of up to 14,000 SF to 730 SF at 381 Park Avenue South, and full floor plates of 8,732 SF at 373 Park Avenue South.

Building Features

- Prime location
- Sunny exposures
- Steps from the 6, R and W trains
- Steps from Park Madison Square Park, bustling nightlife, lounges and cabarets.
- 730 SF – 14,000 SF flexible floorplates at 381 Park Avenue South
- 8,732 SF full floor plates at 373 Park Avenue South
- Exceptional property management


Centrally Located

Presiding majestically over the intersection of Fifth Avenue and Broadway is the Flatiron Building, a regal 1902 skyscraper with a Beaux-Arts three-façade design. By day, the Flatiron District is an exciting destination for design lovers, shoppers looking for one-of-a-kind items, and self-proclaimed "foodies" hunting for the next greatest meal. 381 Park Avenue South is home to American fare restaurant, Sarabeth’s, and 373 Park Avenue South houses the Mexican restaurant Dos Caminos; the surrounding area boasts such eateries as Las Halles, Gramercy Tavern, Tabla, 11 Madison Square, Hill Country and more. The neighborhood also features its own oasis, Madison Square Park, host to a series of summer concerts and other events and the renowned Shake Shack. Nightlife is bustling here, with a variety of popular lounges, clubs and cabarets.



Empire State Building

Madison Square Park


Grammercy Park

The Royalton Hotel

Union Square


Kips Bay

Freehand Hotel


Owned by ATCO

ATCO is a real estate investment and ownership platform deploying capital in select cities across the United States, with a particular emphasis on value-add opportunities. ATCO is currently deploying capital through a joint venture program with family offices and other private capital, focused on urban office and retail properties. Target markets include the Central Business Districts of Austin, Nashville, Charlotte, and Raleigh-Durham-Chapel Hill, and the metro New York area.

Learn more about ATCO →