270 Park Avenue offers 2.5 times more outdoor space on the ground level of Park and Madison Avenues than the previous building, featuring wider sidewalks and a large public plaza on Madison Avenue with natural green space and other amenities geared towards the residents, workers, and visitors who frequent the neighborhood. The ground floor lobby serves as the main entrance to the building and includes a monumental staircase and mezzanine level, with ramps and lifts to ensure inclusive access for all.

The eight expansive trading floors, strategically located above, allow for better team integration and improved functionality for trading operations. At the center of the tower, the triple-height 'Exchange' acts as a community hub with sixteen different venues as well as spaces for town hall meetings and other large gatherings, while the top of the house features an executive and client facility. The building also features a state-of-the-art health and wellness center and a curated art program – including works of art by Maya Lin, Leo Villareal, Gerhard Richter, Refik Anadol, and Norman Foster.

Foster + Partners' design incorporates a split elevator core that creates permeability of space at the upper levels and the generous entrance lobby. Shuttle elevators take employees and visitors directly from the lobby to the 'Exchange' at the heart of the building, which acts as a transfer level to the upper floors. Large floorplates throughout the building will allow for adaptation over time and ensure future flexibility.

The well-being-focused design responds to Harvard's research into the effects of fresh air on cognitive function, providing an outdoor air ventilation rate of 40 cubic feet per minute per person. This is double the standard-specified minimum outdoor air ventilation rate. Terraces offer views across the city and provide outdoor spaces for employees and their guests. The building also features circadian lighting throughout the office floors to support wellbeing. This lighting system aligns with natural human rhythms, enhancing the overall working environment. Triple-pane glazing contributes to increased energy efficiency and enhanced occupant comfort.

270 Park Avenue is designed to achieve LEED Platinum v4 and WELL Health-Safety Rating – and 97% of demolition materials have been recycled, reused, or upcycled.

The opening of 270 Park marks the start of renovations at JPMorganChase's 383 Madison Avenue building, in collaboration with Foster + Partners. Both projects enhance the public realm and improve access to Grand Central Terminal.

"For more than 225 years, JPMorganChase has been deeply rooted in New York City. The opening of our new global headquarters is not only a significant investment in New York but also a testament to our commitment to our clients and employees worldwide. By creating world-class environments where our employees can thrive, we are strengthening our ability to serve our clients and communities – locally and globally – for generations to come." Jamie Dimon | Chairman and CEO, JPMorganChase. "The primary challenge was to understand and address the special qualities of the site. Our solution integrates the building's foundations with the train infrastructure below ground, creating a generous, soaring lobby. Throughout the building, the emphasis has been on fostering collaboration and wellbeing, with exceptional spaces for employees and clients that embody JPMorganChase's spirit of dynamism." Nigel Dancey | Head of Studio, Foster + Partners