Four photographs of sustainable buildings, including adobe, straw bale, cob, and bamboo. Across the bottom of the image are the words "Best 18 Green Building Material Companies in California." In the center of the image are the words "The Best."

Best 18 Green Building Material Companies in California

If you want to build an eco-friendly building in California, you’ve come to the right place. This article provides a rundown of the best 18 green building material companies in California, including companies specializing in rammed earth, adobe, cob, bamboo, earthbag, and straw bale.