Jan 25

January 18, 2026 ∞ 5:00 pm - February 22, 2026 ∞ 5:00 pm

Cob Pavillion with Living Reciprocal Roof in Puerto Rico!

Feb 8

February 8, 2026 ∞ 4:00 pm - March 15, 2026 ∞ 4:00 pm

Tasmania Advanced Cobber “Full Build” Certification

$2600 – $2800

Mar 14

March 14, 2026 - March 22, 2026

COB OVEN + BENCH | INTENSIVE | TAPALPA, MEXICO

$380

Apr 20

April 20, 2026 - April 24, 2026

Intro to Cob and Straw Workshop – East Tennessee

$499

May 1

May 1, 2026 - May 10, 2026

COB OVEN + ADOBE THERMAL MASS HEATER | INTENSIVE | GRÂNDOLA, PORTUGAL

$490

May 16

10:30 am - 5:30 pm

Intro to Cob Construction — Montana

$150

May 18

May 18, 2026 - May 22, 2026

Intro to Cob and Straw Workshop – East Tennessee

$499

May 24

May 24, 2026 ∞ 12:00 pm - June 21, 2026 ∞ 2:00 pm

Cob Outdoor Kitchen with Oven, Rocket Stove Cooktop & Reciprocal Green Roof at Sitio do Valverde in Coruche, Portugal

$2065

May 31

May 31, 2026 ∞ 12:00 pm - July 5, 2026 ∞ 2:00 pm

California Complete Cob Bungalow in Santa Cruz, California!

$2600

Jun 18

June 18, 2026 ∞ 12:00 pm - June 27, 2026 ∞ 12:00 pm

10-Day Earthen Building Intensive

$1400

Jun 20

June 20, 2026 ∞ 11:00 am - June 21, 2026 ∞ 5:00 pm

Earthen Oven Build (2 days) — Montana

$290

Jun 22

June 22, 2026 - June 26, 2026

Intro to Cob and Straw Workshop – East Tennessee

$499

Jul 3

July 3, 2026 ∞ 11:00 am - July 6, 2026 ∞ 5:00 pm

Cob Sauna Workshop (4-day) Montana

$690

Jul 5

July 5, 2026 ∞ 12:00 pm - August 9, 2026 ∞ 2:00 pm

5-Week Full Build For ALL Levels: A Complete Cob Cottage at Sitio do Valverde in Coruche, Portugal

$2600

Jul 18

July 18, 2026 ∞ 12:00 pm - July 25, 2026 ∞ 12:00 pm

Natural Building Techniques

$1165

Jul 20

July 20, 2026 - July 24, 2026

Intro to Cob and Straw Workshop – East Tennessee

$499

Aug 22

August 22, 2026 ∞ 11:00 am - August 23, 2026 ∞ 5:00 pm

Rocket Mass Heater Build (2 Day) — Montana

$290

Sep 6

10:00 am - 4:30 pm

Clay and Lime Plaster Workshop– Montana

$150

Sep 6

September 6, 2026 ∞ 12:00 pm - October 10, 2026 ∞ 12:00 pm

Complete Cabin Morocco

$4600

Sep 6

September 6, 2026 ∞ 12:00 pm - October 11, 2026 ∞ 2:00 pm

Tennessee Complete Cob Cottage For ALL in the Fall!

$2700