Boxabl Garage Conversion Contractor in Houston: What to Know First
We’re Lodgewick ADU Houston, an independent Boxabl service provider, and we handle garage conversion contractor work on Boxabl units throughout the Houston area. Most Boxabl garage conversion jobs we take on run $90,000 to $160,000 depending on the condition of the unit, the scope of finishes, and how much site work your lot requires. We put that price in writing before any work starts, and we stand behind the build for a full year.
This page is for Boxabl owners in Houston who’ve been quoted one number and charged another, or who’ve had a contractor ghost them mid-project. If that sounds familiar, you’ll want to read the failure mode section below before you sign anything. And if you’d rather just talk it through, call (361) 326-2313. A live person picks up, day or night.
How Boxabl Products Fail – and How We Fix Them
Boxabl units are built differently than stick-framed garages, which means the problems they develop are different too. Russ Delmar and our crew have worked on enough Boxabl Casita units across Houston to know exactly where they tend to fail. Here’s what we see most often:
- Panel joint separation on the Casita’s folding wall seams. Boxabl’s hinged panels are a clever design, but Houston’s humidity expands the steel-foam-steel sandwich at a different rate than the hinge hardware. After a few years, you’ll see a hairline gap or a slight step at the seam. We re-torque the hinge assemblies, re-level the panel alignment, and reseal the seam with a flexible exterior sealant rated for Houston’s rain. Ignoring it means water gets behind the panel and starts degrading the foam core.
- Floor deflection from undersized leveling pads. The Casita arrives on a chassis system with leveling points. On Houston’s expansive clay soil, especially in areas like Katy and Cypress where the ground shifts seasonally, those pads settle unevenly. You’ll feel a soft spot or see the floor dip near one corner. We install supplemental concrete piers below the chassis rails, not under the floor itself, so the load is carried the way Boxabl’s engineering intended.
- HVAC condensation problems in the utility chase. Boxabl’s tight building envelope is great for energy efficiency, but it leaves almost no air gap around the mini-split lines inside the walls. In Houston’s summer humidity, condensation collects in that chase and drips onto the subfloor. We add insulated line-set wraps and a condensate drain reroute that keeps the water moving out, not pooling inside your wall cavity.
- Window flashing failures at the fold-line corners. The Casita’s windows land near panel hinge points. When the unit settles, the flashing pulls away and Houston’s driving rain finds a path in. Water stains in the interior corner below a window are the tell. We remove the window trim, re-flash the rough opening with a membrane that can flex with the panel movement, and re-seat the window in a fresh bed of sealant.
- Electrical connector loosening in the ceiling junction boxes. Vibration from the hinge hardware, combined with Houston’s thermal cycling, works wire nuts loose over time. Lights flicker, outlets lose power intermittently. We terminate these connections with lever-lock connectors and secure the junction box bodies with anti-vibration fasteners. It’s a small fix that stops callbacks.
Our Boxabl Garage Conversion Contractor Process
Here’s how a Boxabl garage conversion with Lodgewick ADU Houston works, from first call to final walkthrough. No mystery, no surprises, everything written down.
- 1
Site visit and unit inspection. We walk the Boxabl with you, checking panel seams, leveling, electrical, and HVAC. We note everything that needs attention before conversion work starts. You get a written list of findings, with photos.
- 2
Written scope and price. We give you one number, itemized, in writing. That’s The Kingswell Way: say the price before the work. No change orders at the door, no “we found something” markup.
- 3
Structural and utility prep. We address any panel joint issues, leveling problems, or electrical loose ends first. If we’re doing a garage-to-living-space conversion, this is where we handle the chassis anchoring and connection to your home’s utilities.
- 4
Conversion buildout. Framing, drywall, flooring, finish electrical, plumbing where needed. We work with your Boxabl’s existing configurations, not against them, which means fewer cuts into the panel structure.
- 5
Test and verify. We run the HVAC through a full cycle, test every outlet, check door and window seals, and confirm the unit is level. You get a walkthrough before we call it done.
- 6
Written guarantee. Every Lodgewick ADU Houston project ends with a written guarantee covering the work for 365 days. If something fails within that year, we come back and make it right. Free.
What Boxabl Garage Conversion Contractor Costs in Houston

Real numbers, because you shouldn’t have to call just to get a ballpark. Here’s what Boxabl garage conversion work typically costs with us in Houston:
- Basic garage-to-bedroom conversion: $90,000 to $115,000. Insulation, drywall, electrical, flooring, a closet, and egress window work if needed.
- Full garage ADU with kitchenette and bath: $125,000 to $160,000. Plumbing rough-in, mini-split HVAC, finish work, and all utility connections.
- Boxabl Casita site fixes before conversion: $2,500 to $8,000. Leveling, panel seam repair, flashing replacement, electrical connector work. This is often needed first, before any finish work begins.
What moves the price: the condition of the unit when we start, how far we’re running utilities from your main house, and whether Houston’s permitting office requires additional fire-rating or structural review. We pull permits on every job and we don’t surprise you with a bill for it. Call (361) 326-2313 for a free estimate, and we’ll give you a written number.
Why Houston Homeowners Call Lodgewick ADU Houston for Boxabl Work
Because we write everything down. That’s the short answer. The longer one: Russ Delmar learned the building trade at Los Angeles Trade-Technical College and has been doing this work long enough to know that a garage conversion fails when the details get skipped. So we don’t skip them. Every Lodgewick ADU Houston project runs under The Kingswell Guarantee: a written price before work begins, a real arrival window, a clean job site, and a written guarantee on every job. If something’s not right within 365 days, we come back and fix it.
We also work on Abodu, Cover, and Dvele units, which means when we’re on your Boxabl job, we’re comparing notes across three other prefab brands. That cross-brand experience helps us spot problems faster. And when you call, a live person answers. No voicemail loop, no chatbot. Tell me what you need the space to do, and I’ll tell you exactly what it takes to get there.
FAQs

It depends on what you do to the unit. Any structural modification, like cutting into the panel system for new window openings or removing a hinge assembly, can void portions of the Boxabl warranty. Finish work on the interior, like drywall and flooring, generally does not. Before we start, we review what you’re planning and tell you which items may affect your warranty. Call (361) 326-2313 and we’ll walk through it with you.
Most garage-to-living-space conversions on a Boxabl Casita run four to seven weeks from start to final walkthrough, depending on whether we’re adding plumbing and how much site work your lot needs. We put the schedule in writing at the start, and we finish on the schedule we write down. Call (361) 326-2313 to get a timeline for your specific project.
For structural components like panel hinges and leveling hardware, we source directly from Boxabl or use parts that match their engineering specifications. For finish materials like drywall, flooring, and fixtures, we use quality aftermarket products that meet Houston’s building codes. We’ll show you exactly what we’re ordering before we order it.
Yes. We take on a lot of Boxabl repair work where another contractor did a poor conversion and the homeowner is left with water intrusion, electrical problems, or a unit that won’t stay level. We start with a full inspection, give you a written report, and quote repairs separately from any new conversion work. Call (361) 326-2313 to schedule an inspection.
We typically schedule site visits within a few business days. If you have active water intrusion or a structural concern, we prioritize those calls and get out sooner. A live person answers the phone 24/7, so call (361) 326-2313 and we’ll get you on the calendar.
If you own a Boxabl in Houston and you’re planning a garage conversion, let’s talk before you sign with anyone. Call (361) 326-2313 for a free estimate. We’ll put the price in writing, show up when we say we will, and leave your property cleaner than we found it.
Written by Russ Delmar, Owner, Lodgewick ADU Houston at Lodgewick ADU Houston, serving Houston and nearby areas.


