Fast, Reliable Bathroom Remodeling Across Fontana
Bathroom remodeling in Fontana typically runs $14,000 – $38,000 for a full gut renovation, while a builder-grade fixture refresh in a newer tract home starts around $6,500 – $9,000. Most Fontana homeowners call us because a builder-grade shower has failed, a vanity is falling apart, or they want to convert a tub to a walk-in tile shower. We’re Cottage ADU Builders and we work across all four Fontana ZIP codes, from the older 92335 blocks near Sierra Avenue to the newer master-planned communities in 92336 off the 210. Call (866) 808-7312 and we’ll walk you through what your bathroom actually needs to fix, not what a showroom wants to sell you.
Why Cottage ADU Builders Is Fontana’s Preferred Bathroom Remodeling Company
Fontana splits into two very different housing eras, and a contractor who only knows one will cost you money on the other. The 1950s – 1980s stucco tract homes in 92335 and 92336 have slab foundations, original galvanized or copper plumbing, and bathrooms that were built cheap the first time around. The newer master-planned communities off the 210 come with builder warranties and HOA architectural committees that will flag a changed tile color if you didn’t get approval first. We’ve remodeled bathrooms in both. Our Bathroom Remodeling crew knows which walls in a Fontana tract home hide plumbing vents, where HOA rules actually have teeth, and what a builder warranty covers when we touch waterproofing.
Fontana homeowners tell us the same thing over and over: they did the research, they know what they want, and they need a contractor who will tell them what’s worth doing. That’s how we work. Neil Stratton leads every Fontana project, and the crew that shows up is the crew that finishes the job. No subcontracted strangers. No college kids learning on your tile.
Our Bathroom Remodeling Services in Fontana
Builder-Grade Fixture Replacement
Newer Fontana homes, especially the 2000s builds in 92336, came with chrome faucets, plastic shower valves, and cultured-marble surrounds that start failing around year 12 – 15. We replace those with Moen or Delta fixtures, real tile surrounds, and properly seated shower pans. The vanity cabinet and flooring often stay, which keeps the job in the $6,500 – $9,000 range instead of blowing past $20,000. In older 92335 homes, we check the shutoff valves first. A 1960s angle stop that hasn’t been turned in 20 years will snap, and you want us to find that before it floods the wall.
Tile Shower Conversions
Converting a tub to a walk-in tile shower is the most common project we quote in Fontana. In the older tract homes, the tub usually sits against an exterior stucco wall, which means we’re working with the same wall assembly that handles Fontana’s summer heat. We insulate properly, use a full waterproofing membrane, and set the shower pan low enough that a curbless entry is an option where the slab allows. In 92336 homes with builder warranties, we document every step and use licensed plumbers so the warranty stays intact.
HOA-Compliant Vanity Upgrades
Fontana HOA communities, particularly the master-planned developments along the 210 corridor, have architectural guidelines that cover interior changes when they affect plumbing or visible exterior vents. A new vanity is usually fine. Moving the vanity to a different wall is not, because that means moving a vent pipe or exhaust line. We handle the pre-approval paperwork and install vanities, countertops, and lighting that pass committee review the first time.
Full Bathroom Remodels
For a complete gut renovation in Fontana, expect $14,000 – $38,000 depending on whether you’re keeping the footprint or moving walls. Homes in 92335 with detached rear garages sometimes have bathroom plumbing that was extended during a garage conversion, and we’ve seen some creative DIY routing that needed correcting. Newer homes need less hidden repair but more attention to warranty language. Either way, we give you a written line-item quote before work starts, and the price doesn’t move unless you change the scope.
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 Fontana
We work with the brands you’ve already been researching. For bathroom fixtures and hardware, we regularly install Moen and Delta faucets, valves, and shower systems, and we stock common replacement parts locally so a valve swap doesn’t mean waiting a week on shipping. On broader home projects, we’re fluent in prefab and modular systems from Mighty Buildings, Boxabl, and Plant Prefab, which matters if you’re planning an ADU alongside your bathroom remodel. A second unit shouldn’t mean a second contractor. Same crew, same standard, one relationship.
Common Bathroom Remodeling Problems We See in Fontana Homes
- Failed builder-grade shower pans – In 2000s-era Fontana tract homes, the original cultured-marble shower pan cracks and leaks into the slab. By the time you see water staining on the baseboard, the damage is already done. We replace the pan, waterproof the surrounding walls, and retile.
- HOA violations from unapproved changes – Fontana HOAs in developments off the 210 require approval for visible changes, including new tile colors, vanity styles, and especially any plumbing vent modifications. We file the paperwork before we swing a hammer.
- Warranty voiding from DIY waterproofing – In newer master-planned Fontana homes, a homeowner or handyman who alters plumbing or waterproofing without licensed trades can void the structural warranty. We’ve had to unwind that exact situation for owners who learned it after a leak.
- Hidden plumbing surprises in 1950s tract homes – Older 92335 homes with detached rear garages often have odd plumbing runs from previous garage conversions. We open the wall expecting to find a vent, and sometimes we find three generations of bad repairs. Budget for hidden work in these homes.
Pricing for Bathroom Remodeling in Fontana, CA
Here’s what Fontana homeowners can expect to pay, based on what we’ve quoted across 92335, 92336, 92337, and 92331 in the last year:
- Builder-grade fixture replacement – $6,500 – $9,000. New faucets, shower valve, tile surround, shower pan. Keeps existing vanity and flooring.
- Tub-to-shower conversion – $9,000 – $16,000. Demolition, waterproofing, tile, glass door. Higher end if you’re adding a bench or niche.
- Full bathroom remodel – $14,000 – $38,000. Gut to the studs, new everything, moving plumbing where the slab allows.
Fontana pricing runs slightly below LA County but above the Riverside average, mostly because labor here is competitive but the older housing stock adds hidden repair time. We give you a written line-item quote after we see the room. Call (866) 808-7312 to schedule your free estimate; the quote is yours to keep, and the price doesn’t change once we start unless you change the scope.
We Also Serve Cities Near Fontana
If you’re just outside Fontana, we also work in Bloomington, Rialto, Glen Avon, and Pedley. Whether you’re in a 1950s tract home or a newer HOA community, the same Fontana approach applies: figure out what your house actually needs, then quote it honestly. Call (866) 808-7312 and we’ll tell you if we’re the right fit.
Serving Fontana, CA — Our Local Coverage Area
We’re based in the Fontana 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 Fontana
Usually yes, if the work changes visible finishes like tile color, vanity style, or any plumbing vent on an exterior wall. Interior-only changes with no plumbing rerouting often don’t trigger review, but every Fontana HOA has different bylaws. We check yours before we start and file the paperwork if it’s required.
Yes, if you alter plumbing or waterproofing without licensed trades, the builder can deny coverage for related damage. In newer 92336 master-planned homes, we use licensed plumbers and document waterproofing work specifically to keep the warranty intact. If you’re not sure what your warranty covers, call (866) 808-7312 and we’ll review it before quoting.
Replace the shower valve and surround before they fail. Fontana homes built in the 1990s and 2000s used cheap cartridge valves and cultured-marble surrounds that start leaking around year 12. A $7,000 – $9,000 fixture and surround replacement buys another 15 years. Skip the fancy vanity until the waterproofing is solid.
Fontana’s Inland Empire summers push bathroom exhaust fans hard, and a cheap builder-grade fan can’t move enough air to prevent moisture buildup in a tile shower. We recommend upgrading to a Panasonic Whisper or similar high-CFM fan on any remodel, and we insulate exterior walls properly so the bathroom doesn’t bleed cool air into the stucco.
Yes. In 92335’s older tract homes, you’re usually dealing with slab plumbing, original galvanized pipes, and odd routing from past garage conversions. Budget 10 – 15% for hidden repairs. In 92336, the structure is newer but the builder warranty and HOA rules set the boundaries. Both are remodels we do regularly.
Contact Cottage ADU Builders for Your Fontana Bathroom Remodel
If you’re in Fontana and your bathroom needs work, call us at (866) 808-7312. We’ll schedule a free estimate, look at the room, and tell you exactly what it needs, what it doesn’t, and what it’ll cost. Written line-item quotes, licensed trades, permits pulled when required, and a crew that’s done this in your neighborhood more times than we can count.
Written by Neil Stratton, Owner at Cottage ADU Builders, serving Fontana and the Inland Empire.