The Greenest Commercial Building in the World

The goal of the Bullitt Center is to drive change in the marketplace faster and further by showing what’s possible today. The era of harm reduction, half steps, and lesser evils is behind us. As a society, we need to be bold in ways that were once unimaginable.

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Vision: Denis Hayes on what's next

Deep green buildings are a necessary component of resilient cities.

Materials: As-built product list

The Bullitt Center team worked for 2+ years identifying products without Red List chemicals.

Media Coverage

Media outlets around the world have covered the Bullitt Center. Review them here.


White Paper: Unlocking Deep Efficiency i...

In the United States, buildings use 70 percent of all electricity and account for 40 percent of all carbon emissions....

Case Study: Living Proof

Written by Rob Peña, an Associate Professor in the Department of Architecture at the University of Washington and member...

Bullitt Center Financial Case Study

Across hundreds of tours with people from all walks of life, one question comes up repeatedly: What did the...


Bullitt Center

New Real-Time Dashboard

Energy, water and other performance data online

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250 years: Lifespan of the building

14,303 sq.ft.: Area of solar array

16 kBtu/sq.ft./yr: Energy Use Index

400 feet: Depth of geothermal wells

56,000 gal: Size of cistern

362: Toxic chemicals on “red list”

100 out of 100: WalkScore for site

26: # of geothermal wells

950 sq.ft.: Size of rainwater cistern

82%: Interior with natural daylight