Blackstone’s impending deal to expand its global headquarters, Rudin Management, by 250,000 square feet at 345 Park Avenue, is a sign of strength on two playing fields: Park Avenue and the world.
Blackstone, the powerful asset manager led by Stephen Schwarzman, is the world’s largest owner of commercial real estate.
Continued expansion in the face of economic headwinds is remarkable in itself.
The tower’s footprint will increase to approximately 1 million square feet. Bloomberg first reportedIt speaks to the enduring strength of this legendary thoroughfare in a Manhattan market plagued by declining tenants and restrictive high interest rates.
Blackstone also extended its existing lease at 345 Park by six years, extending it through 2034.
Peter Regardi of JLL represented Blackstone’s expansion and build-out practice.
As we recently reported, Park Avenue’s current vacancy rate is about 9%, lower than the 11% rate in 2019, pre-pandemic.

However, Blackstone’s expansion at 345 Park will not be the largest new lease this year, as some media outlets have erroneously reported.
The largest transaction was for the 338,085-square-foot American Eagle Outfitters at 63 Madison Ave. in George Comfort.
