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.

    Planning the budget? Read our guide to financing a hempcrete home — mortgages, appraisals, insurance considerations, and real cost ranges.

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    Pillar destinations for healthy home design, renovation, GaiaCrete building systems, indoor air quality, mold-resistant construction, and non-toxic materials.

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