Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Toto Construction in La Verne, CA | Moreno Valley Builders
We’re Moreno Valley Builders, an independent construction crew that sets, resets, and rebuilds around Toto fixtures through kitchen and bath remodels across La Verne. We’re not a Toto dealer or authorized service center. What we do is measure the rough-in, inspect the closet flange, and match the Toto model to your actual drain and footprint, because in this town the toilet is rarely the problem. The slab, flange, and supply behind it usually are. If you’re in La Verne and your Toto needs construction-level work, call us at (877) 752-3154.
Why La Verne Residents Choose Us for Toto Service
Most of La Verne’s housing stock is mid-century ranch tract homes from the 1950s through the 1970s, with a pocket of pre-war and craftsman-era homes around the historic downtown. That means the bathrooms we work in have original cast-iron flanges, slab floors, and rough-in dimensions that predate modern Toto fixtures by decades. We’ve spent years in those bathrooms. Noel Trevino, our owner and general contractor, grew up in the Sunnymead Ranch area of Moreno Valley and has spent the better part of three decades building and renovating homes across the Inland Empire. When a Toto toilet rocks on a shifted flange in a 1960s La Verne slab, we know the fix isn’t another shim. It’s pulling the toilet, inspecting the flange and wax ring, and squaring the floor before the fixture goes back down. We use genuine Toto fill valves, flappers, and seal kits on anything we touch. Aftermarket internals are where most premature Toto failures start, and we don’t play that game. For broader context on what we do with the brand, see our Toto sales & service page.
Styles & brands we work with







Common Toto Construction Problems We Solve in La Verne
- Toilets rocking on settled closet flanges. The older mid-century ranch slabs near the historic core shift over decades. When a Toto rocks, it pulls the wax ring and leaks at the base. We reset the flange, not just the toilet.
- Washlet and Neorest electronics failing after hot, dry summers. Foothill-edge bathrooms in La Verne run hot and hold heat, especially where venting is poor. Electronics cooked in a poorly vented bath is a real failure mode we see off Wheeler and the hillside streets.
- Rim jets and fill valves scaling on hard inland-valley water. La Verne sits in the hot Pomona Valley, and the water here is hard. Flush performance drops before anything actually breaks. We clean or replace the internals with genuine Toto parts.
- One-piece bowls that won’t seat cleanly. A 1950s or 1960s bath with a 10-inch rough-in doesn’t match a modern Toto’s footprint. We don’t force it. We measure and either adjust the rough-in or recommend the right model.
- Flange, drain, or subfloor failures. If the flange is cracked, the drain is bellied, or the subfloor is soft, a new toilet will sit on the same bad floor. We fix what’s underneath first.
Toto Service in La Verne: What Local Conditions Mean for Your Equipment
La Verne is a built-out town. It’s an old citrus-and-college community with the University of La Verne at its core, hemmed by the San Gabriel foothills and neighboring cities like Claremont, where we also handle Toto repair. There’s no greenfield development here. Nearly all our Toto work happens inside a remodel, addition, or garage-to-ADU conversion on a tight century-old or mid-century lot, which means the new fixture layout has to pass city design review and tie into original framing and plumbing. A flatter lot in a newer valley city might get clean, open subfloor work. In La Verne, we’re tying a Toto into a 1950s slab bathroom where the vent stack is cast iron and the floor has settled. Foothill-adjacent lots off Wheeler and the hillside streets face Santa Ana wind and wildfire ember exposure, so any re-roof or addition that touches a bathroom skylight or vent also triggers Class A roof and WUI ignition-resistant requirements. That’s not true on the valley floor. When you live off Wheeler, your bathroom remodel has a fire-code layer someone in central La Verne never deals with. We plan for that from the first rough-in measurement. If the details aren’t right on paper, they won’t be right in the wall.
Toto Models & Products We Service in La Verne
We work on the Toto models most common in La Verne homes: the Ultramax II one-piece at 1.28 gpf, the Drake two-piece (CST743/CST746 series), the Aquia wall-hung and dual-flush, and the Neorest and Washlet bidet seats. On the parts side, our rule is simple. We use genuine Toto fill valves, flappers, and seal kits. When a bowl or tank is cracked, we say so honestly instead of patching it. We keep common Toto parts stocked locally for fast turnaround across the 91750 ZIP and surrounding La Verne service calls, which matters when a bathroom is down and the family is sharing one shower. If you want to see where else we run Toto service, check our La Verne service area coverage.
See the difference
Before
After
Before
After
Before
AfterToto Service Pricing in La Verne
Toto fixture pricing depends on what we find when the toilet comes up. A simple flange reset and wax ring replacement is one thing. A cracked flange, a settled slab, or a rough-in that doesn’t match the fixture is another. Here’s what typical Toto-adjacent bathroom work runs in La Verne:
| Service | Price Range |
|---|---|
| Bathroom Remodel | $9,000 – $28,000 |
| Small Bathroom Remodel | $5,000 – $12,000 |
| Tub-to-Shower Conversion | $3,500 – $10,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Bathroom Vanity Installation | $800 – $3,000 |
Every estimate is free and written line-by-line. No change orders, no surprises mid-job. You’ll know exactly what the flange work costs before we touch a bolt. Call (877) 752-3154 for a quote on your La Verne project.
Serving La Verne, CA — Our Local Coverage Area
We’re based in the La Verne area and know this community well, and we also cover Toto work in Pomona. Use the map below to see our full service coverage — if you’re nearby, we can almost certainly help.
FAQs – Toto Construction in La Verne
Yes. It’s common in garage-to-ADU conversions and room additions where we’re running new drain lines, vents, and supply plumbing from scratch. We size the rough-in for the specific Toto model you want, not a generic 12-inch assumption, so the Aquia or Drake seats correctly the first time. Call (877) 752-3154 and we’ll price the plumbing work as part of the full project.
It will, but the in-wall carrier has to be set correctly before drywall goes up. On a garage-to-ADU conversion off Wheeler, the homeowner wanted a compact Toto Aquia wall-hung in a tight new bath, and the old framing and drain location had to be squared up before the carrier could go in. Our crew set the in-wall carrier, checked the rough-in against the Aquia spec, and vented the new bath to the existing stack, so the finished shower-and-toilet room sits level and flushes clean. That’s the kind of detail that matters in a tight ADU bath.
Because the closet flange has settled or shifted in the slab over decades. A rocking toilet eventually breaks the wax seal and leaks at the base, and shims only mask it. We pull the toilet, inspect the flange, and reset or replace it before remounting the fixture. If the subfloor around the flange is soft, that gets fixed too.
They do when the bathroom has decent venting. The failure we see is in foothill-edge homes where bathrooms run hot and hold heat through Pomona Valley summers, especially with poor exhaust. We see similar issues when we provide Toto service in Montclair. That heat cooks electronics over time. If your Washlet is acting up, call (877) 752-3154 and we’ll check the venting and the unit, not just throw parts at it.
Depends on the scope. A straight toilet replacement in the same footprint is a service call. But if you’re moving the toilet location, converting a tub to a shower, or doing a full bath remodel, that’s construction and likely needs a permit. We pull permits and handle the inspections so it’s done right. Call (877) 752-3154 and we’ll tell you what your specific project needs.
Service Areas Near La Verne
Our Toto work runs throughout the eastern Pomona Valley and Inland Empire. If you’re outside La Verne, we also serve Moreno Valley, Loma Linda, Grand Terrace, Highgrove, and Mead Valley. See Toto service in Lake Forest and Toto service in Yorba Linda for our Orange County coverage.
Book Your Toto Service in La Verne Today
La Verne bathrooms don’t fix themselves. Call (877) 752-3154 for a free estimate on your Toto project. We’ll measure, inspect, and give you a written quote before any work starts. Same-day estimates available for urgent flange or leak issues.
Written by Noel Trevino, Owner & General Contractor at Moreno Valley Builders, serving La Verne, Upland, and the Pomona Valley.