The building contains 1.3 million square feet (121,770 square meters) of space to include offices, retail shops, restaurants and public spaces, as well as three levels of underground parking.
Due to its location on the north bank of the Chicago River, the building features a half-acre sunlit waterfront public garden with direct access to the river's edge.
The structural steel was fabricated and erected by Cives Steel Co. and detailed by Maine Detailers, a division of Cives Steel Co. 300 North LaSalle achieved Platinum certification under the U.S. Green Building Council's LEED for Existing Buildings (EB) category, the highest rating possible.
The tower previously received Gold certification under the LEED for Core & Shell (CS) Rating System.
Kirkland & Ellis, Chicago's biggest law firm, is the anchor tenant and leases floors in the low-rise and mid-rise sections of the building.