







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Boxabl Bathroom Remodeling: The San Antonio Owner’s Guide
Boxabl bathroom remodeling in San Antonio typically runs $9,000 to $28,000 installed, depending on whether you’re refreshing a compact Boxabl bathroom or reconfiguring the wet-bath layout entirely. We stock Boxabl-compatible fixtures, vanities, shower pans, and wall systems at our San Antonio shop, and most Boxabl bathroom work can be scheduled within two weeks of your written estimate.
The way most owners find us is through one of three discoveries: a shower pan that’s no longer draining toward the drain, wall panels that have delaminated at the seams from Texas humidity swings, or a vanity and sink combo that has started pulling away from the Boxabl wall cassette. Boxabl’s factory bathrooms are efficient, but they’re built in Nevada for a national market. San Antonio’s specific combination of hard water, high summer humidity, and clay-heavy soil movement puts stress on those original fixtures in ways the factory can’t always predict.
Which Boxabl Models This Applies To

We work on the Boxabl Casita line, which is the model set that carries the factory bathroom module, and we’re set up for both the standard and upgraded bathroom packages Boxabl has shipped since production began. The key compatibility gotcha we see in San Antonio: Boxabl’s factory bathroom uses a proprietary wall cassette system, which means off-the-shelf big-box shower surrounds and vanities won’t always seat correctly against the factory framing without an adapter or custom shimming. We measure the cassette depth and the existing drain placement before anything gets ordered.
When it comes to the OEM-vs-aftermarket decision for Boxabl specifically, our honest guidance is this: for the shower pan and the wall cassette framing, stay OEM or OEM-spec. For the vanity, sink, faucet, and showerhead, quality aftermarket makes more sense. The factory uses a compact wet-bath footprint, and we’ve installed Kohler and Moen fixtures in Boxabl Casitas across San Antonio without issue. KraftMaid and Wellborn both build vanities in dimensions that work inside the Casita bathroom footprint, and Cambria and Silestone make countertop slabs sized to fit those compact vanities.
Styles & brands we work with







Signs Your Boxabl Bathroom Remodeling Is Failing
- Water pooling in the corner of the shower pan. Boxabl’s original pans are lightweight composite, and San Antonio’s slab-on-grade soil shift can alter the level enough that the factory drain slope no longer carries water. Once water sits, the pan edges begin to separate from the wall cassette.
- Soft spots or bubbling where wall panels meet the shower. The factory sealant breaks down after repeated San Antonio heat-and-humidity cycles. Moisture gets behind the panel and you’ll feel give when you press near the seam.
- A vanity that has shifted off the wall by a quarter inch or more. The factory mounting method works for transport but not for the long haul in a climate that expands and contracts materials. The vanity starts to tilt and the countertop seam opens.
- Drain smells even after cleaning. Boxabl bathrooms use a compact P-trap assembly. Hard water mineral buildup in San Antonio narrows the trap, and once soap scum binds to it, the trap seal fails and sewer gas backs up.
- Faucet or showerhead pressure that drops over weeks, not days. That’s sediment from San Antonio’s hard water building inside the original fixture cartridges. The fix is usually a cartridge swap or a fixture upgrade to a Moen or Kohler model with better flow design.
See the difference
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AfterReplacement Cost & What’s Included

A full Boxabl bathroom remodel in San Antonio runs $9,000 to $28,000. A smaller refresh that keeps the existing cassette framing, replaces the vanity and fixtures, and installs a new OEM-spec pan lands in the $5,000 to $12,000 range. The spread depends on three things: whether the wall cassette itself needs work, whether you’re moving the drain location, and which vanity and countertop brands you choose.
Every Boxabl bathroom project gets our written price before any work starts, per the Cedarwell Care Promise. That price includes the parts, the labor, the demolition, the haul-away, and the full clean-up: drop cloths on the floors, shoe covers at the door, and a photo of the finished clean-up before the crew leaves. The 365-Day Done Right Promise covers the whole project. If something isn’t right within a year of completion, we come back and make it right.
DIY or Call Us?
What you can safely handle yourself: replacing a showerhead or faucet cartridge, re-caulking a visible seam, and tightening vanity mounting brackets that are still intact. Those are weekend jobs that don’t touch the Boxabl cassette system.
What we strongly recommend against doing yourself: anything involving the shower pan, the wall cassette seal, or the drain assembly. The pan and cassette are load-bearing parts of the Boxabl envelope, and a slow leak inside the cassette doesn’t show itself until the damage is significant. The same care goes for moving or altering the drain. A bad DIY seal on a Boxabl bathroom has, in our experience in San Antonio, led to subfloor and cassette repair costs far above what the original fix would have run. If you’re uncertain, call us at (432) 233-0976 and we’ll tell you straight what’s safe to attempt and what isn’t.
FAQs

The factory shower pan and wall cassette seal typically last 7 to 12 years in San Antonio before the heat-and-humidity cycles start to break them down. Fixtures and the vanity usually need replacement or rebuilding around year 8 to 10. Call (432) 233-0976 and we can assess where your Boxabl bathroom is in that timeline.
Yes, partial repairs are often possible when the cassette framing is still sound. Re-sealing a wall panel, replacing a vanity, or swapping fixtures is a smaller job that keeps your Boxabl original structure intact. We’ll only recommend full replacement where the pan or cassette has already absorbed water damage.
Most Boxabl bathroom remodels in San Antonio take 2 to 4 working days once materials arrive. A full tear-out that includes cassette repair can stretch to a week. Our written estimate includes a schedule before any work begins, and we keep quiet tools during nap and school hours where possible.
We stock OEM-spec shower pans, sealants, and cassette-compatible mounting hardware for Boxabl Casita bathrooms at our San Antonio shop. Vanities, countertops, and fixtures are ordered to spec from brands like KraftMaid, Wellborn, Cambria, Silestone, Kohler, and Moen. If we need to order a part, it’s on our next truck order, not something you chase down.
Boxabl bathroom work isn’t a quick swap for a stock part. It’s a small, specific remodel that needs a contractor who has seen how these units respond to San Antonio’s weather and soil. We measure, we write the price down, and we do it right. Write it down, price it once, do it right. Call (432) 233-0976 for a free estimate on your Boxabl bathroom remodel, and we’ll start with the written scope of work before a single tool leaves the truck.
Written by Graham Stein, Owner, Elmstead Remodeling San Antonio at Elmstead Remodeling San Antonio, serving San Antonio and nearby areas.


