Wide shot from behind a small group of students gathered around a constructed greywater filtration system outdoors, an instructor in worn work clothes pointing at a pipe junction, golden natural daylight, hands visible, tools on the ground nearby
Wide shot from behind a small group of students gathered around a constructed greywater filtration system outdoors, an instructor in worn work clothes pointing at a pipe junction, golden natural daylight, hands visible, tools on the ground nearby
— Hands-on field instruction

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.

/ Upcoming workshops

Scheduled by discipline and region

Natural building
Water systems
Food systems

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

Close environmental portrait of a natural builder examining a freshly plastered cob wall section outdoors, hands pressed into the surface checking texture, overcast natural daylight, lumber and straw bales visible in the background
Close environmental portrait of a natural builder examining a freshly plastered cob wall section outdoors, hands pressed into the surface checking texture, overcast natural daylight, lumber and straw bales visible in the background
Wide environmental shot of a water systems specialist crouching beside an exposed greywater filtration trench in arid red-soil terrain, measuring tape extended, afternoon sun casting hard shadows across the excavation
Wide environmental shot of a water systems specialist crouching beside an exposed greywater filtration trench in arid red-soil terrain, measuring tape extended, afternoon sun casting hard shadows across the excavation
▸ Directory practitioners

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.