Precision Structural Engineering has designed and acquired permits for many of earthbag buildings across the USA. They are licensed in 48 States.
Please visit this --> Earthbag Plans page for a list of plans you can purchase that Precision will engineer for you.
The cost for the plans and the engineering will run around $3000.00 and includes their assistance with the building department.
For more information please contact us or Precision Structural Engineering.
250 Main Street Suite A.
Klamath Falls, OR 97601
Ph: 541-850-6300 Fax: 541-850-6233