

Learn the skill. Vet the practitioner.
Every workshop is taught by a directory practitioner. The technique they teach is the technique they install on-site, in your climate, with real materials.
Scheduled by discipline and region
Cob Wall Construction
Greywater Design & Install
Perennial Food Forest Layout
Three-day hands-on build. Pacific Northwest. Covers clay-soil testing, mix ratios, and load-bearing wall installation on an active site.
Full-day site assessment and zone mapping. Mid-Atlantic. Covers canopy selection, guild planting, and multi-year yield sequencing for community-scale plots.
Two-day design review plus field installation. High desert context. Covers soil percolation, code requirements, and system sizing for shared-household loads.
Mar 14–16 · Olympia, WA · Hands-on installation included
Apr 5–6 · Taos, NM · Design review + site work
Apr 19 · Charlottesville, VA · Site assessment day




Instructors you can also hire
Marcus Odhiambo — Natural Builder
Fourteen years building cob and straw-bale structures across the Pacific Northwest. Teaches mix ratios and load calculation from active project sites, not demonstration plots.
Disciplines: cob construction, natural plaster, structural earthwork. Available for full-contract site work in OR, WA, and BC.
Reina Castellanos — Water Systems
Designed and installed greywater and rainwater collection systems across arid Southwest climates for over a decade. Teaches to code, on real sites, with real soil data.
Disciplines: greywater, catchment, percolation testing. Available for design review and full install in NM, AZ, and CO.
Ready to hire the instructor?
Every workshop instructor is listed in the directory with their disciplines and availability for full project work.
