Fast, Reliable Bathroom Remodeling Across Pomona
Bathroom remodeling in Pomona typically runs $18,000 to $45,000 depending on whether you’re refreshing a main-house bath or building out a full casita bathroom in an ADU. Most high-end ADU baths in Pomona take 8 to 12 weeks, but the real schedule driver is lead time on custom cabinetry and architectural glass, not labor. We’re Orange ADU Builders, led by Nelson Ybarra, and we work throughout Pomona’s 91766, 91767, 91768, and 91769 neighborhoods. Call (877) 265-5812 to schedule a free estimate and we’ll come look at your slab, your walls, and your plumbing before anyone orders a single tile.
Key Takeaways for Pomona Homeowners
- High-end ADU bathrooms in Pomona run $25,000 to $45,000 depending on finish tier, glass, and slab conditions.
- Pomona’s pre-1970s garages and slabs nearly always need a moisture test and upgraded electrical before tile work begins.
- Long-lead items like frameless glass and custom white oak vanities drive the calendar, not labor.
- We fix the price in writing before ordering materials, even when slab or electrical upgrades appear mid-project.
- We coordinate with your architect or designer from day one so the bath works with the ADU’s setback and entry constraints.
Why Orange ADU Builders Is Pomona’s Preferred Bathroom Remodeling Company
We are not a general contractor squeezing bathrooms between roof jobs. Orange ADU Builders is an ADU-specialist company that also handles kitchen and bathroom remodeling, which means we approach a Pomona bath remodel with the same permit fluency, slab knowledge, and alley-access thinking we use on every backyard unit we build. Nelson Ybarra leads the team, and the people showing up to your Pomona property are the same crew who know how a 1950s ranch on an alley-loaded lot differs from a coastal tract home.
Pomona homeowners regularly call us after getting quotes from contractors who have never dealt with a detached garage conversion. The slab is undersized. The electrical panel is from the Johnson administration. The framer doesn’t know how to square a wall that was built before laser levels existed. We do. Our reputation across Pomona’s 91766 and 91767 corridors comes from handling exactly those conditions without turning them into surprise change orders. Your neighbors in Lincoln Park, Phillips Ranch, and Westmont have seen our work, and we’re glad to put you in touch with past customers.
Our Bathroom Remodeling Services in Pomona
Custom Millwork and Cabinetry for Vanities and Storage
A Pomona mid-century ranch deserves a vanity that doesn’t look like it fell off a big-box shelf. We work with local millwork shops to build white oak, walnut, or paint-grade vanities to your exact wall dimensions. In Pomona’s older homes, those walls are rarely square. A custom piece hides that. A stock cabinet doesn’t. We measure to the as-built condition, not the blueprint.

Architectural Glass and Frameless Shower Enclosures
Frameless architectural glass is the single biggest visual upgrade in a high-end ADU bath. It also has the longest lead time, usually five to eight weeks from order to install. We order glass only after walls are framed, plumbed, and measured precisely. On a Pomona garage conversion, that sequencing prevents a very expensive piece of tempered glass from arriving 3/8 inch too wide for a wall that was never square to begin with.

Designer and Architect Coordination
If you’ve hired a designer or architect for your Pomona ADU, we plug into their drawings and finish schedules directly. We flag conflicts early: a specified 30-inch vanity that won’t clear the egress path, a shower drain location that lands on an old garage beam, a wall sconce that needs a junction box the 1953 wiring can’t support. This coordination happens before demolition, which is when it’s cheap.

Full Bathroom Build-Out for ADU Casitas
High-end casita baths in Pomona are typically 40 to 70 square feet, and every inch counts. We handle layout, waterproofing, tile, glass, lighting, and custom storage so the bath feels generous without eating into living space. The alley-loaded lots common in Pomona’s older neighborhoods create a specific siting problem: the original garage door often faces the alley, and the new bath needs its own pedestrian entry off the yard. We design for that separation from the start.

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 Pomona
Our Bathroom Remodeling team works inside ADUs built by Abodu, Cover, and Dvele, among other prefab systems. That matters because the bath inside a factory-built ADU has different rough-in tolerances than a site-built unit, and we know those specifics. We also specify James Hardie exterior products on ADUs built in Pomona’s hot, dry climate. Inside the bath, we lean on proven materials like Schluter waterproofing membranes and Nuheat electric floor systems. For Pomona customers, we keep local supplier relationships in the San Gabriel Valley so tile, glass, and millwork don’t get stuck waiting on a freight dispatch from out of state.
Common Bathroom Remodeling Problems We See in Pomona Homes
- High slab moisture in converted garages. Pomona’s older detached garages were built on slabs never intended for living space. When we test and find elevated moisture, we specify a Schluter Ditra membrane over the slab before tile goes down. Skipping this step leads to debonding tile and failed shower pans within the first year.
- Undersized electrical panels from the pre-1970s era. A heated floor mat, a bathroom exhaust fan, and a dedicated GFCI circuit are all standard in a high-end ADU bath. Most Pomona garage panels can’t support that load. We add a dedicated 20-amp circuit before finish work begins, not after the tile is set.
- Out-of-square framing in 1920s-1970s buildings. Custom cabinetry and frameless glass are unforgiving when walls drift even half an inch. Measuring to as-built conditions and ordering to those numbers is the difference between a clean install and a reorder.
- Alley-side garage doors left as the only bath access. In Pomona’s alley-loaded neighborhoods, we often see ADU plans where the only path into the new bath runs through the old garage bay. That creates privacy and egress problems. A separate pedestrian entry off the yard is almost always the right answer, and it changes how the bath is laid out.
Pricing for Bathroom Remodeling in Pomona, CA
A standard hall bath refresh in a Pomona ranch runs roughly $18,000 to $28,000. A high-end ADU casita bath with custom millwork, architectural glass, and heated floors runs $30,000 to $45,000. The spread depends on slab conditions, electrical upgrades, finish tier, and how much of the original structure you’re keeping. Long-lead glass and custom cabinetry add cost but also add the most daily satisfaction. We provide a written line-item quote before any work starts, and if a Pomona slab test or panel inspection reveals a needed upgrade, we price that as a specific addendum, not an open-ended change order. Call (877) 265-5812 for a free estimate on your Pomona bathroom project.
We Also Serve Cities Near Pomona
Our crews regularly work in Pomona and the surrounding San Gabriel Valley communities, including La Verne, Claremont, Montclair, and Los Serranos. If you’re in one of these nearby cities and planning an ADU bath or main-house remodel, the same team handles the work, but the permitting and slab conditions change from block to block. We know those differences and plan for them.
Serving Pomona, CA — Our Local Coverage Area
We’re based in the Pomona 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 Pomona
Pomona’s alley-loaded lots mean the original garage door often faces the alley, and the new ADU bath needs its own pedestrian entry off the yard side. We design the bath so the old garage door can stay as vehicle access while the bath gets a separate, private entrance that doesn’t route guests through a car bay. This changes where the vanity, shower, and plumbing walls land, and it’s a siting puzzle we solve before framing starts. Call (877) 265-5812 to talk through your specific lot.
Architectural glass and custom millwork are the two items that drive the schedule. Frameless shower enclosures typically take five to eight weeks from order to install, and custom vanities can run six to ten weeks depending on the millwork shop’s queue. We order these only after walls are measured to as-built conditions. On a Pomona garage conversion, that sequencing is what keeps the project on schedule and prevents reorders. We’ll give you a finish schedule with actual lead times before you sign anything.
Yes. The Pomona Valley’s 95 to 100 degree summer days and Santa Ana wind events put real stress on adhesives, grout, and wood movement. We specify cement-based grouts with polymer additives, use Schluter membranes over slab foundations, and avoid solid wood vanity legs that will warp in dry heat. The right finish choices here are different than they would be in a coastal city.
Yes. We work with local millwork shops that can match the wood species, grain direction, and finish tone of original mid-century cabinetry in Pomona ranch homes. On a 91767 alley-loaded garage conversion, we built a custom white oak vanity and the millwork shop did a second grain-matching pass to align the drawer fronts with the original house’s wardrobe doors. That level of matching is standard for us, not an upcharge. Bring us a door sample and we’ll match it.
We fix the price in writing before ordering materials, and if a slab moisture test or electrical inspection reveals a needed upgrade, we price it as a specific addendum before work continues. You approve the number before we spend it. On that 91767 project, we added a Schluter Ditra membrane and a dedicated 20-amp circuit for a Nuheat floor mat after the slab tested high for moisture. The homeowner knew the cost before the tile went down, and the long-lead glass arrived seven weeks later with no surprise upcharge. That’s how we work on every Pomona project.
Ready to talk about your Pomona bathroom remodel? Call (877) 265-5812 to schedule a free estimate with Nelson Ybarra and the Orange ADU Builders team. We’ll look at your slab, your panel, and your walls, and give you a written line-item quote before anything gets ordered.
Written by Nelson Ybarra, Owner at Orange ADU Builders, serving Pomona and the San Gabriel Valley.