PROMOTING STRAW BALE AND
SUSTAINABLE BUILDING IN COLORADO

Join us for the Rocky Mountain Natural Building Conference November 3-5, 2017 in Golden, Colorado

REGISTER NOW!

Become a Member

Join COSBA for member benefits and to support sustainable building in Colorado

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Gallery of Straw

Enjoy & submit your own photos of straw bale projects throughout Colorado

SEE PHOTOS

Directory of Resources

Listing of sustainable building resources in Colorado with contact info and links

SEE RESOURCES

Make a Donation

Support straw-bale construction in Colorado and the surrounding region.

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COSBA is committed to expanding and sharing knowledge, experience and techniques for straw bale and sustainable building. COSBA promotes quality building practices and serves as a resource to building professionals and homeowners.

OUR MEMBERS

Just some of the fun we had at the most recent International Straw Builders Conference