CASBA California Straw Building Association

CASBA is pleased to have contributed to the Bio-Based Materials Collective's Materials Primer ... check it out (and download) a free copy at this link:

Resources Documents Bio- & Mineral-Based Materials Primer Download The Bio- & Mineral-Based Materials Primer is a guide for architects and designers working on larger buildings across North America. …

Please join Friends of CASBA for a
Cob Garden Wall Finish Plaster Workshop
May 23, 2026
9am-5pm
Sunset District, San Francisco
Free!

Please click below to donate to Leslie Jackson's Climate Ride Green Fondo effort. 100% of funds donated will to towards CASBA's ongoing Building Code and Environmental Product Declaration (EPD) work on behalf of straw building.

Green Fondo Northern California 2026 Green Fondo Northern California 2026, a new Climate Ride cycling adventure, empowers you to actively engage in the fight against climate change. By joining in our bike rides you can join a community of awesome people while supporting nonprofits working on conservation, climate, clean energy, and act...

Verdant Panel invites you to the factory opening for their straw based wall panel.

Saturday, May 16, 2:00 PM - 5:00 pm

Oakland, California

Light Straw Clay Work Party
Grass Valley, CA
May 9-10 and/or May 16-17
Free

Join Just Places and People First for their Strawbale Workshop and Fundraiser this weekend in Santa Cruz!
April 18 and April 19, 2026

Join CASBA for some hands on learning opportunities this spring!

Registration available now for these three events:

Straw Bale Stacking Work Party, San Diego, CA, April 18-19

Fibra Clay Plaster Workshop, Berkeley, CA, April 24-26

Light Straw Clay Work Party, Grass Valley, CA, May 2026

30th Anniversary SWAG now available! Order before 3.29 for delivery at the conference; between 3.30 and 4.30 for home delivery. Check it out! https://stores.inksoft.com/casba_store/shop/home

Nice video featuring CASBA Professional Member Arkin Tilt Architects discussing their work with Straw ... check it out!

Farm to Wall: Building Sustainably with Arkin Tilt Architects For Arkin Tilt Architects, sustainability isn’t a trend—it’s the foundation of every project. Their signature “farm-to-wall” approach merges thoughtful desig...

Our friends at Rocky Mountain Institute outline the future of building with Straw and other BioBased Materials!

Building with Biomass: A New American Harvest - RMI How manufacturing building products from domestically sourced upcycled biomass can create more jobs and affordable healthy housing