Hempcrete House Plans
Healthy home floor plans engineered for hempcrete and GaiaCrete® walls — a hempcrete alternative. Every plan includes ERV fresh-air ventilation, an energy-efficient envelope, and solar-ready infrastructure.
The Haven
800 sq ft healthy home ADU
- 800 sq ft
- 1 bed
- 1 bath
One bedroom, one flex room, and one full bath in an efficient 800 sq ft footprint. Works as a primary residence, ADU, retirement cottage, guest house, or rental.
View The Haven floor plan →The Retreat
2 bedroom single-story healthy home
- 950 sq ft
- 2 bed
- 1 bath
950 sq ft, 2 bedroom, 1 bathroom single-story design with ERV fresh-air ventilation and energy-efficient envelope. Ideal as an ADU, workforce housing, or rental.
View The Retreat floor plan →The Homestead
Affordable 3BR healthy home
- 1,080 sq ft
- 3 bed
- 2 bath
1,080 sq ft, 3 bedroom, 2 bathroom single-story affordable healthy home with ERV ventilation, solar-ready infrastructure, and healthier building standards.
View The Homestead floor plan →The Palmetto
3BR single-story bungalow
- 1,200 sq ft
- 3 bed
- 2 bath
1,200 sq ft, 3 bedroom, 2 bathroom single-story bungalow with open-concept kitchen-dining-living, private master suite, ERV ventilation, and low-VOC materials.
View The Palmetto floor plan →The Loma
4BR single-story family home
- 1,508 sq ft
- 4 bed
- 2 bath
1,508 sq ft, 4 bedroom, 2 bathroom single-story healthy home with ERV fresh-air ventilation and American-grown, American-made materials.
View The Loma floor plan →The Legacy
Flagship executive healthy home
- 2,400 sq ft
- 3 bed
- 2.5 bath
2,400 sq ft, 3 bedroom, 2.5 bathroom flagship executive design with 2-car garage, sunroom, home office, wraparound porch, and outdoor kitchen.
View The Legacy floor plan →Frequently asked questions
What is a hempcrete house plan?
A hempcrete house plan is a healthy home floor plan engineered to be built with hempcrete or GaiaCrete® walls — a hempcrete alternative — for a breathable, non-toxic, energy-efficient envelope.
How much do hempcrete house plans cost to build?
Installed cost typically ranges from $180 to $360+ per square foot depending on plan, region, and finish package. GaiaCrete® material-only costs typically range from $50 to $150+ per square foot.
Do these plans include ERV and solar-ready infrastructure?
Yes. Every Mr Hemp House plan is designed around ERV fresh-air ventilation, energy-efficient envelope construction, and solar-ready infrastructure by default.
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