• Rendering courtesey of NBBJ.

S Office Buildings

Seattle, WA

Project Categories

Living Buildings + Net-Zero and Commercial + corporate office

Business Type

Seven mixed-use office buildings


1.2 million square feet




Urban Visions

PAE Role

Mechanical engineering

Electrical engineering

Building analysis and modeling

Technology design

Pursuing Seattle's Living Building Pilot Program

Pursuing LEED Gold

Pursuing Net-Zero Water



  • Pursuing Net-Zero Water
  • Pursuing LEED Gold

Progress Report

Pursuing 25% energy efficiency
Seattle Living Building Pilot Program via the Water Petal

Special features

  • Blackwater treatment system
  • Dedicated outside air-ventilation system with heat recovery provides excellent indoor air quality
  • Demand controlled ventilation reduces energy use while the building is vacant
  • Rooftop photovoltaic array
  • High-performance building facade, including operable windows and external shading, connects occupants with the outdoors and provides excellent indoor air quality, daylighting, and thermal comfort
  • Rainwater reclamation provides potable water
  • Ground coupled geothermal heat exchanger provides efficient heating and cooling