Fast, Reliable Bathroom Remodeling Across Loma Linda
A full bathroom remodel in Loma Linda typically runs $22,000 to $48,000 depending on how much of the existing plumbing, framing, and waterproofing needs to come out. Most projects we take on in the 92350, 92354, and 92357 zip codes involve mid-century homes where the real work starts once the walls are opened. If you live near Loma Linda University, off Barton Road, or up in the South Hills neighborhoods, we already know what your house is likely hiding. Call (877) 658-7475 and we’ll walk your bathroom before you spend a dime.
Why Casita ADU Builders Is Loma Linda’s Preferred Bathroom Remodeling Company
We’re not a general contractor who happens to take bathroom jobs between kitchen remodels and room additions. Our Bathroom Remodeling team works exclusively on remodels that finish the interior of ADUs and the older single-family homes around them, and that focus shows in how we quote Loma Linda work. When we bid a bathroom on a 1950s ranch near Anderson Street or a post-war tract home south of the 10, we write the quote around what those specific houses actually contain, not a generic line-item sheet.
Loma Linda homeowners call us back because we don’t pretend a tile-and-vanity refresh is the whole story when the supply lines behind the wall are original galvanized steel. We inspect first, then quote. Our change-order process is written, photographed, and priced before any additional work starts, so you never get a verbal surprise mid-project. Nolan Treffert set up our process this way specifically because older Inland Empire housing stock demands it.
We serve all of Loma Linda, including the neighborhoods around the University, the hillside lots near Hulda Crooks Park, and the newer subdivisions off Mission Road. Response time for an estimate is typically within two business days, and we schedule walkthroughs around medical-shift schedules, which we know well given how many Loma Linda households work at the Medical Center.
Our Bathroom Remodeling Services in Loma Linda
Inspection-First Bathroom Demolition and Framing Evaluation
Before we write a final number, we open a small access point or use a borescope to check what’s actually inside your walls. On Loma Linda’s pre-1960s ranches, we’re specifically looking for galvanized supply lines, undersized 2×4 framing under tubs, and failed shower-pan waterproofing behind old tile. This step takes an hour and it changes the accuracy of your quote from a guess to a plan.

Written Allowance and Change-Order Process for Code Upgrades
When a Loma Linda permit triggers Title 24 ventilation, GFCI protection, or drain-slope corrections, that cost is already structured into your contract as a written allowance. If we open a wall and find something worse than expected, the change order comes to you with photos, a fixed price, and your signature required before we order a single fitting. No verbal agreements, no handshake math on a jobsite.

Waterproofing and Title 24 Ventilation Upgrades
Older Loma Linda bathrooms often have original mud-set tile over failing pans, and the city’s inspectors will require a flood test once the waterproofing question comes up. We rebuild shower pans with modern liners or foam bases, replace exhaust fans with units tied to humidity sensors, and run ducting that meets current code. The Santa Ana River corridor’s air quality makes a properly vented bathroom a health issue here, not just a building-code checkbox.

Caregiver-Suite Bathroom Builds for Multigenerational Households
Loma Linda is different from Colton or Redlands in one specific way: a large share of bathroom remodels here are for aging parents, visiting family, or on-call medical staff who live on the property. That means zero-threshold showers, grab-bar blocking behind the walls, and sound buffering between the suite and the main house. We design these baths as independent living spaces, not just second bathrooms.

Full Interior Finish Coordination with ADU Projects
If your Loma Linda property includes a detached ADU, a garage conversion, or a shed-to-ADU build through our Tuff Shed partnership, our bathroom team finishes the interior under the same contract. The bath gets the same inspection-first treatment, the same waterproofing standards, and the same written-allowance discipline as any full-home remodel. One team, one contract, no handoffs to a second contractor mid-project.

What happens when you call
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A real person answersNo phone trees — you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Loma Linda
We specify materials that hold up to Inland Empire heat and the specific plumbing realities of older Loma Linda homes. Our standard bathroom work includes James Hardie fiber-cement backer board behind tile because it resists moisture and won’t swell like gypsum-based board when a 60-year-old wall finally breathes. We also work with Plant Prefab and Abodu on ADU projects where the bathroom is factory-built and needs local finishing, which gives Loma Linda homeowners another path to a fully permitted second bath without a full site-build timeline.
Common Bathroom Remodeling Problems We See in Loma Linda Homes
- Failing galvanized supply lines. Homes built before 1960 near the University often still have original galvanized steel pipe, which corrodes from the inside and delivers weak, rust-tinged water. A shower-valve replacement becomes a full re-pipe once you see what’s behind the wall.
- Undersized framing under tubs and showers. Post-war tract homes on small lots were framed fast and light. We routinely find missing joist hangers, notched joists, or 2×4 floor systems under tubs that newer cast-iron or freestanding tubs will overstress.
- Failed shower-pan waterproofing. Original mud-set tile from the 1950s and 60s used a hot-mop pan that has a 30- to 40-year lifespan. Most Loma Linda ranch bathrooms are well past that, and a city flood test will expose a leak fast.
- Undersized exhaust ventilation. Many original Loma Linda bathrooms vent into the attic or have no fan at all. Title 24 now requires a humidity-sensor fan ducted to the exterior, which matters in a smog-bowl air basin where indoor air quality is already under strain.
Pricing for Bathroom Remodeling in Loma Linda, CA
A cosmetic refresh of a small Loma Linda hall bath, including new tile, vanity, toilet, and paint, starts around $14,000 to $19,000. A mid-size full remodel with a tub-to-shower conversion, new waterproofing, and updated ventilation runs $22,000 to $34,000. A primary-bath reconfiguration with a walk-in shower, freestanding tub, and structural framing corrections typically lands between $35,000 and $48,000 depending on what the walls reveal. If your home is a pre-1960s build near the University, expect the galvanized re-pipe and framing allowances to add $3,000 to $7,000 to any quote. We provide free estimates with line-item breakdowns, and our change orders carry fixed pricing in writing. Call (877) 658-7475 to schedule a walkthrough and get a number you can actually plan around.
We Also Serve Cities Near Loma Linda
Our crews cover Loma Linda and the surrounding Inland Empire communities, including Colton, Grand Terrace, Highgrove, and Redlands. If you’re in one of those cities and dealing with the same mid-century plumbing and framing issues, the process works the same way: inspection first, written allowances, fixed-price change orders. We know the neighborhoods and we know the housing stock.
Serving Loma Linda, CA — Our Local Coverage Area
We’re based in the Loma Linda area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Bathroom Remodeling in Loma Linda
Because homes built before 1960 in Loma Linda commonly have galvanized supply lines, undersized 2×4 framing, and failed shower-pan waterproofing that are only visible once demolition starts. A “cosmetic” remodel quote that never checked for these things gets blown apart by a mid-job re-pipe or framing repair. Our inspection-first process writes those discoveries into the original contract as priced allowances, so the number you plan on is the number you pay. Call (877) 658-7475 and we’ll show you exactly what your walls are holding before you commit.
Yes. Once a Loma Linda permit is open, the city treats any wall removal as a trigger for current Title 24 ventilation requirements, GFCI outlet protection, and drain-and-vent compliance. That means your remodel will include a humidity-sensor exhaust fan, updated electrical, and possibly drain-slope corrections, even if you only planned to replace the tile. We build those code-upgrade line items into every quote for Loma Linda homes so they’re never a surprise. For a full breakdown of what your specific property will trigger, give us a call.
We inspect it before we quote it. On a mid-century ranch near the University, our crew opened a hall bath to relocate a shower valve and found original galvanized drain lines scale-clogged and a missing joist hanger under the tub. We stopped work, wrote a change order with photos and a fixed price for PEX re-pipe and joist repair, got the homeowner’s signature before ordering materials, and finished the remodel with a new fan tied to a Title 24 humidity sensor. That’s the process every time, not just on that job.
Zero-threshold showers, grab-bar blocking behind the walls, handheld shower heads, and sound buffering between the suite and the main house. Loma Linda’s medical-center shift schedules and multigenerational households mean bathrooms here frequently function as independent caregiver suites, not rental baths or guest baths. We design for that from the first walkthrough.
Yes. We regularly take over ADU interiors that another builder started or finished poorly. The inspection-first process applies the same way: we check the waterproofing, venting, and plumbing from the ground up before quoting the remodel. If the ADU is a Tuff Shed conversion or a factory-built unit from Plant Prefab or Abodu, we know those systems and can finish or correct the bathroom without starting from scratch. Call (877) 658-7475 and we’ll walk the unit with you.
Written by Nolan Treffert, Owner at Casita ADU Builders, serving Loma Linda since our first mid-century ranch remodel in the Inland Empire.