20 Broad Street Apartments

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390-foot, 27-story building completed in 1957. Designed by Kahn & Jacobs and Sydney Goldstone as the New York Stock Exchange Annex, it was built to permit a further expansion of the adjacent New York Stock Exchange. It is clad in grey aluminum, cream-colored brick and glass. The Broad Street elevation is divided into six bays by seven flat brick piers that rise uninterrupted to the 18th story setback.

Above is a 3-story setback, followed by a series of 2-story setbacks up to the mechanical penthouse. The ground floor is a polished stone base; the main entrance occupies the three northern bays, glass storefronts occupy the other bays. The 2nd & 3rd floors form a series of double-height window bays, each divided by narrow aluminum elements into four panels. In the upper stories, each window bay is divided into four sections each with a window and a simple, geometric spandrel panel. The Exchange Place and New Street elevations are similar in design to the Broad Street elevation.

In an arrangement from 1954, the NYSE occupied 70% of the building's 460,511 rentable square feet. It was converted into a residential building in 2018 by CetraRuddy for Micro Loft Management.

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