Bruce King is a registered structural engineer with 40 years of private consulting experience, and 35 years of leadership in the green building movement. He is the instigator and author of the Marin County low-carbon concrete code, and has served as a Green/Clean Tech advisor to numerous startups and other organizations.

He has worked on high-rise structures in San Francisco, aircraft remodeling in Miami, Tahitian resorts, Buddhist monastaries in the Colorado Rockies, passive solar designs all over the world, and hundreds of houses of every shape throughout North America. He has lectured and taught ecological building practices in international settings, in addition to keynoting and speaking at numerous international conferences.

He is co-founder and Director of Ecological Building Network (EBNet) a non-profit coalition of engineers, builders, and architects developing and disseminating best technologies for the built environment He is also co-founder of Green Building Press, a small publishing enterprise. He is the author of four books, Buildings of Earth and Straw (1996), Making Better Concrete (2005, Design of Straw Bale Buildings (2006), and The New Carbon Architecture (2017). The Fifth book, co-authored with Chris Magwood, will be Build Beyond Zero, due out in the Spring of 2022 from Island Press.

He lives with his family in the Lucas Valley area of San Rafael, California.


1982 - Present   Private consulting practice

  • Co-Founder and Director, Ecological Building Network
  • Co-Founder and Director, Green Building Press
  • Organizer of 5 internatioinal conferences on green building
  • Conducted hundreds of thousands of dollars in research into alternative building systems
  • Helped write improved building codes from California to Mongolia that have facilitated more ecologically-sound methods of building previously hampered by codes.
  • Completed and sheparded to approval ASTM E2392 Standard Guide for Design of Earthen Wall Building Systems, ASTM International
  • Initiated and wrote the Marin County low-carbon concrete building code


BS with Honors, Architectural Engineering, University of Colorado, Boulder, 1978