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DIY container home shell kit with factory window cutouts at San Antonio facility
DIY Kits

Partial-Build Container Home Kits: Structural Work Done

Factory-built structural shells with cutouts, rough-ins, and reinforcement complete — you handle the interior finish-out.

★★★★★ 4.9 (120+ Google)
Wind & Water-Tight Certified
Fast Texas-Wide Delivery
500+ Builds Delivered
Pricing
$18,000 – $55,000

per kit (shell only, before finishes)

20ft shell from $18K · 40ft shell from $32K · 53ft shell from $42K

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Are you a rural landowner or hunter tired of replacing flimsy RVs every few seasons? You probably want a durable cabin out on your property without waiting a year for a contractor. DIY Container Home Kits solve this exact problem.

We provide premium modular solutions at ATX Container Homes that prioritize incredible durability and design excellence. The structural steelwork is usually where most DIY container projects go off the rails. Cutting through corrugated steel weakens the box if it is not reinforced correctly.

We start with a wind and water-tight (WWT) certified container to give you a perfectly sealed blank canvas.

  • Factory technicians finish the heavy structural reinforcement.
  • Electricians run the rough-in plumbing and conduit.
  • You take delivery of a shell ready for interior finishing.

Our goal is to handle the heavy lifting so you can tackle the parts you actually enjoy. A little weekend sweat equity will save you a massive amount of money.

What You Get vs What You Do

The split below is the easiest way to picture a DIY kit. Everything in the first list is what happens in the factory.

Our team takes all the heavy metal fabrication off your plate. The second list covers the weekend projects that stay yours.

We handle in the factory:

  • WWT certified container procurement and strict quality inspection.
  • Structural reinforcement using the AWS D1.1 structural welding code for maximum safety.
  • All door and window openings cut with precision CNC machines and reinforced with thick steel frames.
  • Rough-in plumbing penetrations for waste, water in, and venting.
  • Rough-in electrical penetrations including panel knockouts and conduit pass-throughs.
  • Marine-grade plywood subfloor installed over a closed-cell foam underlayment.
  • Industrial metal primer and a rust-inhibitive exterior coating to block moisture.

You handle on your land:

  • Insulation top-off using products like closed-cell spray foam to hit that R-6.5 to R-7 per inch target.
  • Interior wall framing and standard drywall installation.
  • Electrical wiring beyond the rough-in penetrations using standard 12-2 Romex.
  • Plumbing trim, fixtures, and installing a PEX manifold or water heater.
  • HVAC installation using a reliable DIY system like a Pioneer mini-split.
  • Flooring, paint, trim, and hardware choices.
CNC-cut reinforced window opening in a DIY container home shell

Pricing & What It Actually Costs All-In

Shell-only prices give you a clear baseline for your project. You just need to add your finish-out materials on top of this base cost.

Our clients typically save a huge amount of cash compared to traditional construction. A standard wood-framed cabin built in the rural US right now runs around $150 to $220 per square foot. Doing the interior yourself drops that number significantly.

Container SizeBase Shell PriceFinish-Out BudgetEstimated All-In Cost
20ft ShellFrom $18,000$8,000 to $15,000$26,000 to $33,000
40ft ShellFrom $32,000$20,000 to $30,000$52,000 to $62,000
53ft ShellFrom $42,000$28,000 to $40,000$70,000 to $82,000

We see most folks hit these exact targets using materials from local big box stores. That total cost is roughly 30 to 40 percent off the pre-built turnkey price. This makes the kit the smartest call when you have time and basic trade skills.

Why the DIY Route Pays Off

Traditional rural builds face massive labor shortages and rising material costs in 2026. A container shell locks in your structural price on day one.

We recommend installing LifeProof vinyl flooring and stock cabinets to keep that finish-out budget incredibly low. You get full control over the final look without paying a contractor markup on every single fixture.

Skills Required: Be Honest With Yourself

The kit is a fantastic fit if any of these describe your background. You do not need to be a master carpenter to make this work.

We built this system for folks who are handy and willing to learn. Here is a quick look at the skills you need.

  • You have framed walls and hung drywall before, even if just on a small shed or basement.
  • You feel comfortable running 12-2 Romex wire for standard 20-amp circuits.
  • You can crimp PEX tubing for water supply lines and install basic P-traps.
  • You have the patience to work on finishes over several months instead of rushing.

The kit is the wrong fit if you have never used an impact driver or cut a piece of lumber. Hiring subcontractors for every single interior step defeats the purpose of a DIY project.

Our pre-built turnkey options save you a lot of frustration if you just want to move in within 60 days. Being honest about your free time will make the whole process much more enjoyable.

How We Build Your Shell

We start the process by sourcing a premium one-trip or cargo-worthy container. Every unit must pass a strict wind and water-tight inspection before it ever enters the shop. The factory build follows a highly detailed sequence to guarantee quality.

Our welders complete the heavy reinforcement before moving on to the CNC plasma cutting. Next comes the welding of thick steel frames into every new opening. The team then runs rough-in plumbing penetrations through the steel and adds electrical conduit pass-throughs.

Our crew installs the marine-grade subfloor and applies an industrial rust-inhibitive primer. Total factory time runs four to eight weeks depending on your exact customizations and the current queue.

Delivering to Your Property

When the shell is ready, the next step is reviewing your specific site access. We usually ship these kits using a standard tilt-bed trailer.

Some properties require a crane for placement, especially in Hill Country areas with steep grades or tight gates. A tilt-bed needs about 100 feet of straight clearance to drop a 40-foot box safely.

Our empty shipping containers inventory is perfect if you just want a raw box with zero cutouts. That bare metal option offers a completely different price point for the hardcore builder.

Give the shop a call today to check current inventory and secure your DIY Container Home Kit for your property.

Our Process

The DIY Container Home Kits Process

01

Spec your shell

Pick container size, locate door and window openings on the layout, confirm rough-in placement.

02

Factory build

We complete WWT certification, structural reinforcement, cutouts, subfloor, and rough-ins (4–8 weeks).

03

Delivery to your land

Sealed shell delivered to your prepared pad. Survey access first; tilt-bed or crane as needed.

04

Your finish-out

You install insulation top-off, framing, drywall, fixtures, and finishes on your own timeline.

Get a fixed quote on your DIY Kits.

Fixed pricing within one business day. Ready-to-ship inventory available.

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Build Gallery

DIY Container Home Kits Built in Texas

Factory CNC cutout with reinforced window opening
Marine-grade subfloor with rough-in plumbing penetrations
DIY customer framing interior walls of completed shell
Industrial primer being applied to container shell exterior
Customer Reviews

What Buyers Say

★★★★★

"I wanted to finish the interior myself. The DIY kit arrived sealed, cutouts cut clean, rough-ins where they were supposed to be. Saved roughly $25K vs the turnkey and I got the layout I wanted."

Daniel K.
40ft DIY Shell Kit, Hill Country TX
Common Questions

DIY Kits FAQ

What skills do I really need to finish a DIY kit?
Realistically: framing, basic electrical (or willingness to subcontract), plumbing trim, drywall hanging and finishing, and finish carpentry. You can subcontract any of these out, but if all of them are new to you, the turnkey pre-built is usually a better fit than the kit.
How much do I actually save vs turnkey?
Typically 30 to 40 percent off the turnkey price, depending on your finish level. A 40ft DIY shell ($32K) plus a modest finish-out budget ($20K to $30K) lands you around $52K to $62K all-in versus the $72K to $77K turnkey 40ft.
What's NOT included in the kit?
Interior insulation top-off (we ship with the structural minimum, you add the rest), interior framing, drywall, paint, flooring, kitchen, bathroom fixtures, HVAC equipment, electrical panel and wiring beyond the rough-in penetrations, plumbing trim, and exterior cladding if you want a non-steel exterior.
Can I get help if I get stuck mid-finish-out?
Yes. We provide a detailed finish-out guide and we'll consult by phone on tricky items. If you decide partway through that you want us to take it over, we can quote a finish-out completion package.
Is a DIY kit cheaper than building a tiny home from scratch?
Usually yes, because the structural work — the part most DIY builders get wrong or take six months on — is already done correctly. You start with a sealed, certified, code-grade shell and skip straight to the parts you actually want to do.

Ready to talk through your build?

Fixed pricing on standard models. Ready-to-ship inventory. Fast delivery across Texas.

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