590 Madison Avenue, also called the IBM Building, is a 41-story office tower at 57th Street and Madison Avenue in Midtown Manhattan. It is 603 feet tall and has about 1,030,000 square feet of floor area. Edward Larrabee Barnes & Associates designed it for IBM, and it was dedicated on October 4, 1983. It reportedly cost $250 million.
The building has an irregular pentagonal plan, with a chamfered southwest corner. Its facade combines gray-green glass with polished Canadian granite. The northeast corner cantilevers over the main entrance.
A privately owned public atrium covered by a glass canopy occupies the southwest corner and is planted with bamboo groves. Alexander Calder's red sculpture Saurien stands under the entrance. IBM owned the building until May 1994, and RXR Realty completed its purchase in August 2025 for $1.1 billion.
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