FIELD TAPE
Alpine Village is drawn as 13 live-work modules built from container-grade steel — stacked and set on a single Del Valle lot so the workshop is downstairs and the home is up. Here is how those units are conceived, and the honest engineering reality of building a house out of a shipping container.
The moment a shipping container stops carrying freight and starts holding a room, the industry stops calling it a container and calls it an ISBU — an Intermodal Steel Building Unit. It is the same ISO box, now repurposed as a structural building block. That distinction matters, because an ISBU is engineered to standards most stick-built homes never touch: the ISO, IMO and CSC specifications a shipping container is certified to already exceed common IBC and UBC structural requirements for top, bottom, side and end loads, plus seismic, wind and fire cases.
Containers are made from Corten weathering steel, developed by U.S. Steel in the 1930s to resist corrosion without paint by forming a stable, self-renewing oxide patina. Corten is up to eight times more corrosion-resistant than ordinary carbon steel, and one UK university study found Corten A to be roughly 75% stronger than mild steel. In plain terms: the raw shell is over-built, weatherproof, and rated to be stacked nine-high on a rolling ship — which is exactly why it makes a credible foundation for housing.
ISBUs come in two commercial workhorses: the 20-foot (about 160 sq ft of floor) and the 40-foot (about 320 sq ft), each available as a standard 8′6″ box or as a high-cube that adds a foot of interior height — that extra foot is the difference between a container that feels like a hallway and one that feels like a room once you’ve insulated the ceiling.
The Alpine Village concept mixes both: a 40-foot high-cube gives a live-work occupant a real ground-floor bay for a workshop, studio, or micro-storefront, while a 20-foot unit stacks or attaches as sleeping and bath space. Combine two or three modules and you reach the 400–640 sq ft that a compact live-work home actually needs.
The concept sets the thirteen modules around a shared central yard — the same move a container-storage depot makes, turned into a courtyard. Ground-floor bays face outward for work; living space sits above and behind, away from the street.
The mix shown here is illustrative: roughly two-thirds oriented toward a live-over-work stack, the balance as smaller standalone live units. The point of thirteen is deliberate — it is the smallest count where shared utilities, a common yard, and a real sense of neighborhood start to pay for themselves, which is the whole thesis of the model.
Steel conducts heat roughly 500× faster than wood framing, so thermal bridging is the defining container-home problem. The fix is a continuous barrier — closed-cell spray foam or exterior rigid board across walls, roof and floor — wrapping the steel so it never becomes a cold (or in Texas, a scorching) line straight into the room.
Containers are strong but not exempt from the ground. A code-compliant footing — pier-and-beam, slab, or screw piles — typically runs $3,000 to roughly $19,000+ depending on soil and size. Del Valle’s Colorado-River-adjacent soils make a real geotechnical look non-optional.
A used 40′ box is cheap; a finished home is not. A professionally built, code-compliant container home lands around $150–$350 per square foot, and labor alone is often 50%+ of the budget. Cutting steel for doors and windows removes structure that must be re-welded back in — skilled work, not a weekend.
Every window and door opening severs the corrugated skin that gives an ISBU its strength. Reputable builds add steel tube reinforcement around each cut. This is why the container’s over-engineered baseline matters — it leaves headroom to give some of that strength back.
Container dwellings are permitted case-by-case by the jurisdiction — in unincorporated Travis County that means county review, not a city code office. Any real build here would go through that process; nothing on this site claims an approval it does not have.
Because the structural shell arrives finished, modular container construction can compress the schedule dramatically versus stick-building from scratch — the shell is a day of crane work, and the trades move in behind it. Speed and a small footprint are the two economics the model is built on.
