Prism Tower at 400 Park Avenue South, New York

Tetra Tech’s High Performance Buildings Group provided mechanical, electrical, plumbing, and fire protection services for Prism Tower, an LEED-Certified 430,000 square-foot, 40-story residential facility.


  • Size: 430,000 square feet
  • Construction Cost: $400 million
  • Client: Equity Residential and Toll Brothers City Living
  • Architect: Atelier Christian de Portzamparc, Handel Architects
  • Completion Date: 2015


The first 22 floors consist of rental apartments and floors 23–40 consist of condominiums. The building’s amenities include a large gym, 60-foot lap pool, screening room, community room, playroom, kitchen, and conference room. An existing subway entry from the sidewalk was relocated inside the building and a restaurant and retail store are located at grade level.

Image © Neoscape, Toll Brothers