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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Case Study: Living Proof

What it took to design and build the Bullitt Center, by Rob Pena

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.


Rainwater-to-Potable Water System is Liv...

On November 1, 2018, the Bullitt Center team turned on the rainwater-to-potable water system, serving safe, clean drinking water...

5th Anniversary Open House

Join us to celebrate: The Bullitt Center’s 5th Anniversary Open House Thursday, May 24 from 4:30-7:30pm 1501 East Madison...

Earth Day 2018

Come celebrate Earth Day with us at no better place than the Bullitt Center, the greenest commercial building on...


Bullitt Center

Provocative New Talk by Denis Hayes

Challenges venture capitalists to find new models

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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