Blackstone Group is expanding its headquarters at 345 Park Avenue, adding over 250,000 square feet, for a total of 1.06 million square feet across 28 floors. This expansion, announced by Rudin Management, increases Blackstone’s New York City presence to 1.4 million square feet. Blackstone, led by CEO Stephen Schwarzman and president Jon Gray, is the world’s largest commercial real estate owner. Rudin Management will enhance the building with a fitness center and food and beverage amenities by 2026. The lease’s financial terms were not disclosed.
345 Park Avenue
