Project Description

Seattle, Washington

This 40-story residential tower includes 398 luxury apartments position atop a podium of 3,000 square feet of retail space. Helios also features a rooftop deck, electric vehicle charging stations, low energy appliances, bicycle parking, and a five-story 217-stall underground parking garage. The project received LEED Gold certification May 2018.



  • Mechanical engineering
  • Electrical engineering
  • Plumbing engineering
  • Lighting design
  • Energy services
  • Sustainability consulting
  • Commissioning services