Fast, Reliable Bathroom Remodeling Across San Bernardino
Bathroom remodeling in San Bernardino typically runs $18,000 – $45,000 for a full gut replacement, with smaller refreshes landing between $8,000 and $15,000. The final number depends heavily on what’s hiding behind the walls of your home, and in this city, that matters more than in most places. We’ve remodeled bathrooms across San Bernardino’s numbered-street grid, the pre-war bungalows near downtown, and the mid-century tracts along Highland Avenue, and the surprises older homes turn up are predictable once you’ve seen enough of them. You’ll get an inspection-first scope, line-item allowances for the unknowns, and a written approval before any added work starts. Call (866) 403-9834 to schedule a free estimate.
Why Home Base ADU Builders Is San Bernardino’s Preferred Bathroom Remodeling Company
We’re known in San Bernardino for starting every bathroom remodel with a scope inspection, not a sales pitch. That habit came from the city’s housing stock. Homes built between the 1940s and 1970s dominate the numbered streets and the flat grid neighborhoods around Meadowbrook Park, and those bathrooms hide things newer Inland Empire construction doesn’t: cloth-wrapped wiring, galvanized supply lines, and shower pans poured too thin to pass today’s permit standards. You deserve a contractor who knows that before the first tile comes off.
Owner Neil Bradshaw set the policy we still follow: write the unknowns into the contract as allowances, price them in writing, and get sign-off before we touch the framing. That approach has kept permits moving through San Bernardino’s building department without surprise change orders, and it’s the reason homeowners in the 92418 and 92423 zip codes refer us to neighbors. We answer our own phone, we show up when we say we will, and we document what we find with photos you get the same day.
Our reputation across San Bernardino rests on honest scoping. We don’t chase a low number to win the bid and then inflate it after demo. The quote you approve is built around what we can see during the inspection plus what we know this housing stock typically reveals. That’s a different conversation than you’ll get from a contractor who only remodels newer homes in Fontana or Rancho Cucamonga. San Bernardino’s older homes need a different playbook, and we wrote ours on job sites here.
Our Bathroom Remodeling Services in San Bernardino
Inspection-First Scope and Written Allowances
Every San Bernardino bathroom project starts with a full inspection before we quote. We open the access panel if there is one, check the water pressure at the fixtures, map the existing drain routing, and note the panel capacity at the main breaker. From that visit, we build the contract with a firm line-item base scope plus written allowances for what the walls might show. No vague language. You’ll know exactly what each allowance covers, what triggers it, and how it’s priced per unit. Most San Bernardino homeowners tell us this is the first quote they’ve read that actually made sense.

Electrical and Plumbing Code Upgrades
San Bernardino permits require that touched wiring and plumbing meet current code, and once a wall is open, the inspector will look at what’s exposed. In older homes, that often means replacing cloth-wrapped Romex, moving a bathroom circuit from the original undersized panel, or adding GFCI protection where none existed. On the plumbing side, we commonly replace galvanized supply lines with PEX and swap corroded cast-iron drain sections for ABS. We write these upgrades as allowances with per-foot and per-fixture pricing in the contract, so when the inspector asks, you’re already prepared, not panicked.

Waterproofing and Shower-Pan Rebuilds
The most common failure point in San Bernardino bathrooms is the shower pan, and it’s not close. Older pans were frequently poured directly over a slab with no pre-slope, no liner, and no perimeter drainage, so once the grout cracks, water migrates sideways into walls and flooring. We tear out to the framing or slab, correct the sub-surface, install a modern waterproofing system, and rebuild the pan to current building code. If the slab under the pan shows hairline cracking or was poured thin, we address that too before any tile is set. This is the difference between a remodel that looks good for five years and one that lasts for thirty.

Full-Gut Bathroom Remodeling
For San Bernardino bathrooms that have already been half-fixed or simply worn out, we handle the complete gut. That means demolition to the studs, new plumbing and electrical rough-in, insulation in exterior walls that face the summer heat from the San Bernardino Mountains foothills, new waterproofing, and finish work from tile to trim. We coordinate the permit application with the city, schedule inspections, and walk you through the final checklist. Our team also handles bathroom remodeling as part of larger single-contractor projects, so if you’re adding an ADU behind a mid-century home off Kendall Drive and want the new bathroom tied into the same scope, that’s exactly the kind of work we manage.

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 San Bernardino
We install James Hardie fiber-cement backer board in wet areas as our standard, because it holds up to the moisture cycles of a hot, dry climate better than gypsum-based backers that swell and crumble over time. For homeowners planning a bathroom addition as part of an ADU build, we work across the full construction spectrum, from Bathroom Remodeling finishes inside the dwelling to the exterior shell and foundation. Our familiarity with Plant Prefab and Abodu ADU packages means the bathroom scope inside a new unit is planned from the start, not bolted on afterward. That matters when the plumbing rough-in and the shower enclosure have to be coordinated before the walls close. We keep common wear parts and backer board stock ready for San Bernardino projects, so a permit inspection doesn’t stall the schedule waiting on material.
Common Bathroom Remodeling Problems We See in San Bernardino Homes
- Cloth-wrapped or undersized wiring behind the walls. Mid-century homes in the numbered streets and near Arrowhead Avenue were built to a lower electrical load than a modern bathroom with a vent fan, heated floor, and humidistat demands. Once the wall is open, the inspector will require upgrades to the circuit, and sometimes the panel itself, before the permit can close.
- Shallow, thin-poured slabs under original shower pans. Garage-adjacent bathrooms and those on the slab edge of 1950s-1960s tract homes often have shower pans poured directly over a slab with no liner and no pre-slope. Hairline cracks are common, and they let water wick into the framing. A permit will not pass until the pan and substrate are corrected.
- Galvanized supply lines and cast-iron drains at end of life. Galvanized pipe narrows from the inside over decades of hard water in San Bernardino’s semi-arid climate, reducing flow and eventually failing at the threads. Cast-iron drain sections crack during fixture swaps. Both are predictable on homes built before the 1980s, and both are addressable in the original scope if the inspection catches them.
- Failed waterproofing from decades of heat cycling. Bathrooms that face west or sit on the valley floor of San Bernardino take direct summer heat, and older waterproofing membranes dry out and delaminate. What looks like a cosmetic retile often conceals a humidity problem that has been saturating the wall cavity for years. The fix is a full waterproofing rebuild, not another coat of sealer.
Pricing for Bathroom Remodeling in San Bernardino, CA
Here’s what you should expect to pay in San Bernardino’s market, based on scope. A cosmetic refresh with new vanity, faucet, toilet, and paint typically runs $8,000 – $15,000. A mid-range full remodel with new tile, a standard shower, new flooring, and fixture replacements lands between $18,000 and $32,000. A high-end project with a custom glass enclosure, heated floor, freestanding tub, and layout changes can reach $45,000 – $60,000. The main cost driver in San Bernardino is not finish selection; it’s what the inspection reveals. Electrical panel upgrades, re-piping, and shower-pan rebuilds are the three most common additions, and we cover them as written allowances with unit pricing so the total is never a mystery. Every project includes a free estimate and a written line-item quote. Call (866) 403-9834 to schedule yours.
We Also Serve Cities Near San Bernardino
Our team works throughout the Inland Empire, including Bathroom Remodeling in San Bernardino and the surrounding communities. We regularly serve homeowners in Muscoy, Highland, Loma Linda, and Rialto, and we know the housing stock and permit requirements in each. If you’re just outside city limits or in an unincorporated pocket, give us a call, we almost certainly cover your area.
Serving San Bernardino, CA — Our Local Coverage Area
We’re based in the San Bernardino 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 San Bernardino
The most common reason is that the original inspection failed to identify concealed conditions that San Bernardino’s housing stock routinely turns up: cloth-wrapped wiring, galvanized plumbing, or a failed shower pan under the tile. Our approach is different because we build the quote around what a careful inspection reveals, and we write allowances for the rest so the pricing is approved before the unexpected occurs. You should get a contractor who does an inspection-first scope, not one who gives you a low number and then delivers change orders after demo. Call (866) 403-9834 for an exact quote, our estimates are free.
Yes, it commonly does. Once a wall is opened, the inspector will evaluate the exposed wiring, and in older San Bernardino homes built before the 1980s, that often means adding GFCI protection, upgrading undersized circuits, or replacing cloth-wrapped conductors that have become brittle from decades of heat cycling. The trigger is not the remodel itself but the fact that exposed wiring must meet current code before the wall can be closed. We write these upgrades into the contract as line-item allowances so there is no surprise when the inspector flags them. Call (866) 403-9834 and we can tell you what to expect based on your home’s build era.
Expect a slab that is often thin, sometimes cracked, and occasionally poured without a waterproofing liner or proper slope. Homes in the numbered-street neighborhoods off the alley grid frequently have original shower pans built directly on the slab without a pre-slope, which means water has been migrating outward for years, even if the surface looks okay. We rebuild these pans correctly, correcting the subsurface and adding a modern waterproofing system before tile installation. The repair is part of your written quote once we’ve seen what’s there. Call (866) 403-9834 to schedule an inspection.
Yes, and the pattern is familiar to anyone who has worked on these homes. Downtown and the surrounding pre-war bungalows often have galvanized supply lines and cast-iron drain stacks that are at or past their useful life. A simple fixture swap can turn into a re-pipe once the old fittings crumble at the threads. Our recommendation is to account for this in the original scope and include plumbing replacement as an allowance, rather than discover it after the valve stem snaps off in the wall. Call (866) 403-9834 and we can walk you through what typically needs replacement on a home of your era.
We handle them by writing the surprises into the contract before we start. After the initial inspection, the base scope covers everything we can see. The contract also includes written allowances for predictable unknowns, each with a trigger condition and unit pricing. When a condition triggers an allowance, we document it with photos, price it in writing, and get your approval before any added work begins. That means no back-and-forth change orders and no work performed that you did not authorize. It is the only fair way to remodel an older San Bernardino home, and it is how we run every project.
Written by Neil Bradshaw, Owner at Home Base ADU Builders, serving San Bernardino and the Inland Empire.