Indigenous housing traditions across North America have never been “one size fits all.” They were traditionally place-based technologies designed for climate, mobility, community life, and reciprocity with the land.

In the Northeast, longhouses were and still are engineered for extended family living and shared warmth, built with sapling frames and bark cladding. In the Southwest, Diné (Navajo) hogans were built with earthen coverings and oriented with cultural intention; they are structures that are both shelter and ceremony. Across the Plains, throughout millennia, tipis were portable, weather-smart homes that could be quickly assembled and moved with seasonal life and more hunting and gathering opportunities.They are still used as such today. 

Indigenous peoples of the Pacific Northwest, particularly those utilizing Western Red Cedar, practiced sustainable harvesting where cedar bark was stripped without killing the tree, allowing it to heal and grow back. This enabled the tree to continue living, a vital aspect of traditional ecological knowledge.

The details change by Nation and region but the through-line is clear: housing was designed to work with nature and to serve the social fabric of the community.

Today, many Native communities face a housing reality that looks nothing like that ancestral relationship to place. Instead, it often looks like severe shortages, overcrowding, substandard units, and expensive-to-heat structures that weren’t designed for local climates. Not to mention the complicated and underfunded policy systems tribes have to navigate to build anything at all.

This is not a story about “going backward.” It’s about reclaiming a future where housing is healthy, durable, culturally grounded, and built to last by using materials and methods that align with Indigenous values of land stewardship and intergenerational responsibility.

 

Traditional Indigenous shelter wasn’t primitive, it was advanced design

Indigenous architecture was (and is) deeply technical. Homes built from local materials like wood, earth, stone, and grasses. Materials carefully selected for insulation, breathability, and seasonal comfort.

• Longhouses are flexible sapling frames and bark coverings to create durable, communal structures which have always been efficient in cold seasons and built for collective living. 

• Hogans use log or stone frameworks and earth/mud coverings, reflecting a deep relationship between home, directionality, and cultural practice. 

• Tipis are built for airflow, quick assembly, and weather protection. They are portable shelters optimized for mobility and changing conditions. 

These are more than buildings, they are social, environmental, and spiritual systems rooted in the idea that your home should fit the land and honor it.

 

How we got here: displacement + policy didn’t just change housing, it disrupted a whole ecosystem

The shift from place-based homes to today’s housing crisis didn’t happen by accident. It came from generations of displacement, land loss, and restricted economic opportunities due to colonization. In the best of cases, the federal systems have often been inconsistent, underfunded, or difficult to use at the speed communities need. Some could argue they have been historically designed to keep Indigenous peoples unstable and unhoused. 

Even modern reforms like NAHASDA (the Native American Housing Assistance and Self-Determination Act of 1996) were created because the prior system wasn’t working. NAHASDA reorganized housing assistance into a block grant framework intended to support tribal self-determination. However, despite decades of effort, the massive gap still remains.

 

The modern crisis: overcrowding, substandard units, and a severe shortage

Multiple reports describe Native housing needs as among the most severe in the U.S., including overcrowding, inadequate plumbing/heat, and barriers to development on tribal lands. A widely cited HUD (U.S. Department of Housing and Urban Development) assessment found that many tribes would require about 68,000 additional affordable housing units to replace substandard or overcrowded housing. 

Overcrowding is also disproportionately higher in tribal areas, often discussed as a form of “hidden homelessness,” where people double up because there are no safe alternatives. Some reports cite around 16% overcrowding in tribal areas vs ~2% nationally. Additionally ~34% of tribal households face either overcrowding, a physical housing problem (like lack of plumbing or heat), or both. 

The reality is that many families are doing their best in aging homes, trailers, or apartments that weren’t built for the environment. Places where energy costs are punishing, maintenance is constant, and people's health can suffer when buildings trap moisture or can’t hold temperature. Mold and pests can be an ongoing source of health issues. 

Recent national homelessness reporting shows rising homelessness overall in the U.S. and organizations tracking Native homelessness describe disproportionate impacts and increases for Indigenous American and Alaska Native peoples in more recent years. 

 

Why hempcrete belongs in the housing conversation

If the goal is housing that is healthier to live in, more durable over time, comfortable across the seasons, and aligned with land stewardship…then hempcrete (or hemp-lime) deserves serious attention.

Hempcrete is a bio-based building material made from hemp hurd (the woody core of the hemp stalk) mixed with a lime-based binder. It’s typically used as non-structural wall infill or insulation around a structural frame.

What makes it compelling, especially for communities dealing with extreme weather, high energy costs, and the long-term burden of repairs, is this combination of performance + ecology:

• Moisture and indoor comfort: Hempcrete assemblies are often discussed for “hygrothermal” performance, helping buffer humidity and reduce moisture problems. Hempcrete is highly mold-resistant due to its high alkalinity (pH over 12) from the lime binder, which acts as a natural antimicrobial and anti-fungal agent. Its breathable, porous structure allows moisture to escape, preventing the moisture accumulation that causes mold growth.

• Fire resistance: There are documented fire testing milestones for hempcrete wall systems (e.g., ASTM E119-related reporting), supporting the broader claim that hempcrete is highly fire resistant. See video demonstration here.

• Thermal performance: Hempcrete is known for regulating indoor comfort by holding warmth in cold weather and helping interiors stay cooler when it’s hot.

• Carbon impact: Hempcrete homes are generally carbon-negative, capturing more through the hemp plant's rapid growth and the curing process of the lime binder than is emitted during production and construction. One hectare of industrial hemp can sequester roughly 15 tons making it a highly sustainable, carbon-sequestering alternative to traditional, high-emission concrete.

• Naturally quieting: Hempcrete provides excellent acoustic insulation by absorbing, rather than reflecting, sound waves due to its highly porous, fibrous structure. It significantly reduces noise pollution in residential and commercial buildings, with specific benefits including improved sound transmission loss and high-performance sound absorption in recording studios.

• Pest-resistant: These homes are highly pest-resistant, primarily due to its lime content, which creates a highly alkaline, abrasive, and inhospitable environment for insects, termites, and rodents. It does not provide food or nesting material for pests and, once cured and plastered, is generally considered impervious to infestations.

• Supports cultural design language: Makes it easier to move beyond “box” construction and create homes that reflect cultural geometry and regional traditions. With the malleability and light weight of hempcrete, it can be made in almost any shape. 

Hempcrete now has a recognized pathway in the International Residential Code (IRC) 2024 via Appendix BL, which helps normalize permitting and adoption (where local jurisdictions adopt the IRC and allow that appendix). That doesn’t automatically mean it’s easy to obtain/install everywhere. Local code adoption varies as well as supply chain constraints but it’s a meaningful step toward scale.

Why hempcrete aligns with Indigenous values

Many communities carry a philosophy often described as the Seven Generations principle where they make decisions by whether or not it will honor the previous generations, as well as protect and uplift future generations.

Hempcrete fits this framework. As a plant-based building material, it can support healthier indoor environments, long-term durability, and lower maintenance over time. These are all qualities that align with intergenerational responsibility. And when it’s paired with community-led design, local training, and tribal decision-making, it becomes more than a material choice. It becomes a pathway toward homes that are built to last, rooted in place, and worthy of being inherited. There are case studies in Europe that estimate hempcrete homes can last up to 1000 years. 

There are already examples of hempcrete being explored within Native-led contexts (including in Minnesota), reinforcing that this is a real, developing pathway, not just a distant concept. The global hempcrete market was estimated at USD 570.2 million in 2024. The market is expected to grow from USD 645.2 million in 2025 to USD 2.24 billion by 2034, growing at a CAGR of 14.9%. Source here.

 

What a regenerative housing future can look like

A future-forward, respectful hempcrete housing approach might include:

1. Tribal-led planning + design
   Housing that reflects family structure, cultural priorities, and local climate. Something designed with the community, not for the community. At the 2025 Mass Design Group Conference called Abundant Futures, one speaker said “Design is never neutral, it either hurts or helps. 

2. Healthy building standards
   Materials and assemblies that are largely non-toxic, chosen to reduce moisture problems, improve indoor air quality, and lower heating/cooling loads.

3. Local workforce + supply chain
   Training, certified crews, and local material sourcing whenever feasible, so housing investment becomes economic development. Experts in bio-materials largely claim that hemp houses will be less expensive than traditional US construction. 

4. Policy + funding that matches the need
   The gap is too large for small pilot projects alone; the scale of shortage demands sustained funding and flexible programs that support tribal self-determination. 

 

“Back to the future,” rooted in the land

Indigenous housing traditions prove something that modern construction has lost: the best homes are built based on the location and the people, not the profit.

Hempcrete is already moving from concept to practice; what will determine its impact is whether communities have the funding, infrastructure, and long-term support through city/county/state codes to build with it. If more companies choose to build responsibly, hempcrete can transition from early examples to real housing solutions.

The future of housing isn’t just smarter materials.
It’s a better relationship to land, community, and the generations who will come after us.

REFERENCES:

1. Longhouse — Encyclopaedia Britannica. 

2. Hogan — Encyclopaedia Britannica. 

3. Tepee (Tipi) — Encyclopaedia Britannica. 

4. U.S. Department of Housing and Urban Development (HUD) — NAHASDA overview (Native American Housing Assistance and Self-Determination Act of 1996). 

5. National Low Income Housing Coalition (NLIHC) Housing Needs on Native American Tribal Lands (brief/PDF). 

6. Oweesta Corporation Addressing the Native American Housing Crisis (white paper/PDF). 

7. Federal Register Notice referencing HUD’s 2017 Housing Needs Study and the ~68,000 unit estimate in Indian Country. 

8. HUD The 2024 Annual Homelessness Assessment Report (AHAR) to Congress, Part 1: Point-in-Time Estimates(PDF). 

9. National Council of Urban Indian Health (NCUIH) Summary on increases in homelessness disproportionately affecting American Indian and Alaska Native people (Mar 2024). 

10. International Code Council (ICC) International Residential Code (IRC) 2024, Appendix BL: Hemp Lime (Hempcrete) Construction.

11. Mahmood, O. et al. (2024). Hygrothermal and mechanical characterization of novel hemp-lime composites | Construction and Building Materials (ScienceDirect). 

12. Lower Sioux Indian Community (Minnesota) Hemp program & housing project (“Seed to Sovereignty”) overview (tribal project page). 

13. The Lower Sioux in Minnesota need homes (reporting on the tribe’s hempcrete housing initiative) | Grist.

14. National Low Income Housing Coalition (NLIHC). Housing Needs on Native American Tribal Lands (PDF).