• Photo courtesy of Michael Mathers Photography.

First & Main Office Building

Portland, OR

Business Type

Highrise office and retail


495,000 square feet

LEED Platinum


Percent better energy efficiency

than code requirements


Percent better water efficiency

than code requirements



  • Architecture 2030
  • LEED Platinum

Progress Report

Achieved 20% energy efficiency
Achieved 40% potable water efficiency

Special features

  • High-efficiency variable-flow chillers
  • High-performance glazing
  • Direct digital controls
  • Variable-volume-air handling units
  • Extensive daylighting, occupancy sensors, and an automated dimming system
  • Rainwater-reclamation system with a 65,000 gallon cistern—water collected will be used to irrigate the green roof
  • Whole building measurement and verification system