Stephen A. Schwarzman-led Blackstone also signed the largest Manhattan office lease of 2024 at Rudin’s 345 Park Ave.

Blackstone is in talks to buy 1345 Avenue of the Americas, a move that indicates confidence in New York's office market ...

The nation’s biggest office-to-residential conversion is hitting the market with 1,300 apartments carved from a million-square-foot brick fortress originally built to house computers — and not much ...