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451 Broome Street is a landmark co-op conversion of the former Silk Exchange office building in Soho. The 13-story building offers 25 units with amenities and is located near popular NYC neighborhoods.
The Silk Exchange Building at 451 Broome Street is a NYC Landmark in the constructed in 1895 in the heart of the Soho Cast Iron Historic District. The 13 story, 25-unit co-op earned its "wedding cake" nickname from its intricately decorated façade featuring arched windows and ornamental spandrels. The building was among the first to employ a steel and concrete core construction method, which made the residential units nearly soundproof. The co-op owns the ground floor retail space, and income from this tenant typically offsets operating costs and has generated surplus distributions to shareholders in recent years.
Apartments are authentic loft spaces ranging from approximately 2,300 to 3,000 square feet with flexible open floor plans that accommodate two to four bedrooms. Common features include 11 foot or higher ceilings, 12 to 21 oversized windows per unit with original oak or rosewood frames and preserved architectural details such as wood trim around doors and windows, transom windows, maple floors with inlaid marble slabs, and historic metal fire escapes. The building's radiators are featured in the Smithsonian Institution. Corner units provide multiple exposures with dramatic skyline views, while top floor apartments feature raised skylights and wraparound windows.
The crown jewel is a rare four-bedroom, four-bathroom duplex penthouse spanning approximately 3,000 square feet of interior space plus an extraordinary 1,400 square foot landscaped rooftop terrace. The penthouse features over 20 windows with three exposures facing north, east, and south, offering panoramic views of the downtown cityscape. The upper level includes a master suite, home office, media room with wet bar, and access to the landscaped terrace complete with outdoor kitchen.
Kitchens throughout the building have been updated with high end appliances including Sub-Zero refrigerators, and Miele, Viking, and Thermador ranges while maintaining the loft aesthetic. Most units include in-unit washer/dryers and private basement storage. One notable unit features 21 windows across three exposures, Lutron shade and lighting controls, two zone ducted central air, and a master bedroom with ultra suede padded walls and double layer windows for sound dampening.
Building amenities include three recently refurbished elevators, a renovated lobby and mail room, new furnace and risers, a full-time superintendent, video intercom, and private storage for each unit. A part time doorman is available Monday through Friday from 8am to 4pm. The building permits pets, pied-Ă -terres, and sublets with board approval. The location provides access to Soho's shopping, dining, galleries, and transportation, with proximity to Tribeca, the Lower East Side, and the Village.
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For some co-ops, instead of price per square foot, we use an estimate of the number of rooms for each sold apartment to chart price changes over time. This is because many co-op listings do not include square footage information, and this makes it challenging to calculate accurate square-foot averages.
By displaying the price per estimated room count, we are able to provide a more reliable and consistent metric for comparing sales in the building. While we hope that this gives you a clearer sense of price trends in the building, all data should be independently verified. All data provided are only estimates and should not be used to make any purchase or sale decision.
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