Blackstone Expands to 575,000 SF at 345 Park Ave.

345 Park Ave.

NEW YORK CITY—Blackstone, one of the world’s largest investment firms, has signed a seven-year lease expansion at 345 Park Ave. Blackstone will now occupy approximately 575,000 square feet at the Midtown East office tower, expanding by 148,587 square feet. This follows its 426,384 square-foot lease renewal signed in 2014.

The firm has been a tenant at the building since 1988. Under the new agreement, it will take four additional entire floors. This includes the 14th floor, as well as the 24th through 26th floors. Blackstone now occupies 16 full floors in the skyscraper. The asking rents at 345 Park Ave. were $125 per square foot.