IBM to Anchor SL Green's One Madison Avenue

The company has signed a 328,000 square foot, 16-year lease to establish a hub in Manhattan’s Flatiron District.

IBM signed a 16-year, 328,000 square foot lease at SL Green’s One Madison Avenue. The lease covers portions of floors 2 and 7, entire floors 8 through 10 and a portion of the ground floor where IBM will have an exclusive lobby

This lease follows the recently announced 20-year, 56,000 square foot lease with Chelsea Piers Fitness.

One Madison Avenue is scheduled for completion in November 2023. The 1.4 million square-foot Midtown South office tower is located adjacent to Madison Square Park.

One Madison Avenue will combine the existing 900,000 square foot limestone building with more than 500,000 square feet of new, virtually column free construction in a new tower above. In addition to Chelsea Piers Fitness, amenities include a 13,000 square foot full-service restaurant, 10,000 square foot artisanal food market, 7,000 square foot tenant-only club style lounge and 5,000 square foot shared tenant roof deck.

IBM was represented by Patrick Murphy, Josh Kuriloff and Winston Schromm of Cushman & Wakefield, Inc. Paul Glickman, Alex Chudnoff, Diana Biasotti and Ben Bass of Jones Lang LaSalle represented the landlord.