California Straw Building Association presents
CASBA's
West Coast Natural Building Conference
April 4 - April 6, 2025

1700 Petaluma Marshall Rd, Petaluma, CA 94952
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Keynote Speakers
David Eisenberg
Development Center for Appropriate Technology
April Magill
Root Down Designs
Keynote Bios
This year's theme:
Communities of Straw
The materials we work with bring many wonderful communities together and their number continues to grow. We will spend the weekend reconnecting and renewing community, making new friends, and talking a lot about all the aspects of working with straw and other natural, bio-based materials in the built environment.
Topics will include:
- collaborations and strategies to scale straw construction
- how to use natural materials to contribute to fire rebuilds; constructing a natural materials rebuilding toolkit
- farmers, and growing our supply network
- nuts & bolts issues in construction
- code updates
- and more!
Activities will include:
- hands-on demos with opportunities to get your hands dirty
- community presentations on all sorts of fun projects
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5x5s and 20x20s: Attendees are invited to share digital images during these popular evening slide shows to let us know who you are and what you do - or to show us your latest project! Limited to 25 presentations accepted for the weekend, they can be 5 images in 5 minutes, or 20 images at 20 seconds or less each (6 minutes). Sign up during registration.
- nightly "happy hour" networking receptions...
Interested in becoming a sponsor? See our sponsorship package
Questions? Contact Massey
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Help make this conference great by gracing us with your presence for a weekend full of learning, sharing, camaraderie, and fun!
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Conference Registration & Pricing
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*Our conference fee includes Friday dinner through Sunday breakfast.
(Please note: If you are one of the few remaining who paid for the cancelled 2020 conference and still have a balance with us, please contact us to register for 2025)
Online registration closes March 16!
After that, please contact us for availability
Members Early Bird - $225 Members Regular - $250 Non-Members - $300
Students - $150
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(February 1 - February 28 )
(March 1 - March 16) (February 1 - March 16 )
(February 1 - March 16)
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Sponsors (chose level during registration)
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(February 1 - March 16)
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Conference Accommodation - per head/2 nights
*If you prefer to stay offsite please check that option on the registration form.
Offsite $0
Camping $30
Dorm $48
Semi-private $140
Helpful Hint - If you're a member, log in first!
(If you don't, member pricing won't be available.)
Log in
Membership:
Become a member or renew your existing membership to qualify for Early Bird pricing!
Individual - $50 Family bundle (for 2) - $75 Professional - $150
(Pro membership includes a domestic or business partner, and a pro directory listing)
Renew Join !
CASBA endeavors to make our conferences accessible to all. If you have financial restrictions
please contact us