540 W. Madison at Open House Chicago

540 West Madison is a 1.15 million-square-foot LEED Platinum-certified office building. A leader in sustainability, the building's sixth floor includes a rooftop apiary and garden that uses a rainwater irrigation system--the first of its kind in the city. Recognized for its exceptional energy-saving measures, the building was honored with the ComEd RcX Project of the Year award in 2023 and 2024. Visit the lobby and tenant lounge, the newly renovated 2nd floor cafe, and 6th floor roof garden. A brochure with building information will also be available.