The 48-story building contains 1.25 million square feet of office space, making it among the largest office buildings in the city by floor space. The facilities have received LEED Platinum certification. 101 California is currently in the process of a lobby and outdoor plaza renovation led by architecture firm Bohlin Cywinski Jackson, landscape architect OJB, and Turner Construction. The renovations will benefit a glass dining room, produce a fitness center for tenants, and create a new tenants-only cafe area for socializing and meetings.