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Toto Construction in Moreno Valley, CA | Stallion Contractors
If you need Toto toilet, Washlet, or faucet service in Moreno Valley, we handle everything from flapper replacements to full bathroom remodels where Toto fixtures are involved. We’re independent Toto specialists, not a manufacturer warranty line, which means we recommend what’s actually right for your fixture and your home. What makes our Toto work different in this city is that we know how hard water, slab movement, and Inland Empire heat shorten the life of specific Toto components. Call (855) 600-3192 for a free estimate on any Toto repair or a remodel that includes Toto fixtures.
Why Moreno Valley Residents Choose Us for Toto Service
Most plumbers can swap a toilet. Fewer can tell you, before touching a wrench, that the fill valve in your 2004 Toto Drake has mineral scale baked onto the diaphragm from years of Moreno Valley’s hard water, and that an aftermarket valve will short-cycle within a season. That’s the level of Toto familiarity we bring to every job in the 92554, 92555, 92556, and 92557 ZIP codes.
We’ve been installing and servicing Toto products across this city’s tract homes long enough to know which model lines hold up and which components fail first. When a homeowner in Towngate calls about a running toilet, we already suspect a scaled fill valve before we arrive. When a Rancho Belago resident reports a Washlet that won’t heat, we check the control board first, because we’ve seen what 105°F bathroom temperatures do to those electronics. Ruben Montoya runs our crews with a simple rule: use OEM Toto parts where tolerances matter, and never sell a replacement when a rebuild will restore the fixture to full function. That’s not a sales tactic, it’s how a contractor who grew up in the Inland Empire and trained at San Bernardino Valley College approaches every trade.
Styles & brands we work with







Common Toto Construction Problems We Solve in Moreno Valley
Here’s what we see most often in Moreno Valley homes, and why each failure tends to happen here specifically:
- Running toilets and weak flushes from scaled fill valves. Moreno Valley’s water supply leaves heavy mineral deposits. Over four or five summers, the fill valve assembly in a Toto Drake or Ultramax accumulates enough scale that the diaphragm no longer seats properly. The toilet runs constantly, or the flush goes soft. We replace the OEM fill valve and flush tower, not the whole toilet in most cases.
- Washlet electronic failures in west-facing bathrooms. Toto Washlet S-series and C-series seats contain control boards and seat sensors that degrade when ambient bathroom temperatures stay above 100°F through July, August, and September. We see this most often in homes where the bathroom sits on the west or south elevation with no afternoon shade. The seat stops heating, buttons become unresponsive, or the lid won’t open.
- Wax ring and closet flange failures on slab foundations. Most Moreno Valley tract homes sit on slab-on-grade concrete. Winter mornings in the east valley occasionally drop near freezing, and summer days push 105°F. That temperature swing causes minor slab movement. Over 20-plus years, the wax ring under a Toto toilet dries out, and the closet flange can develop hairline cracks. When a toilet starts rocking or a slow leak appears at the base, this is usually why.
- Supply line and angle stop failures on aging one-piece Totos. Toto Ultramax and Guinevere one-piece toilets sit close to the wall, and the supply connections behind them are hard to access. In homes from the late 1980s through the early 2000s, those original angle stops are now 25 to 40 years old. We regularly find seized stops or weeping supply lines only after pulling the fixture for a remodel or repair.
- Washlet seat incompatibility during a remodel. If you’re upgrading a 1990s bathroom in Sunnymead Ranch and want to add a Toto Washlet, the original rough-in may not support the seat’s power requirements. We run a dedicated GFCI-protected outlet to the toilet location as part of the remodel, which prevents the seat from tripping the bathroom circuit later.
Toto Service in Moreno Valley: What Local Conditions Mean for Your Equipment
Moreno Valley’s post-1980s master-planned subdivisions, including Sunnymead Ranch, Towngate, and Rancho Belago, are now hitting the 25 to 40 year mark. That aging matters for Toto fixtures in a way it doesn’t in a newer city like Eastvale or a coastal market like Temecula. The original low-flow or builder-grade Totos installed in these homes sit on slab-on-grade foundations that have endured decades of sharp summer-to-winter temperature swings: 100°F-plus afternoons from July through September, winter mornings that occasionally dip near freezing, and the March-to-May Santa Ana winds that pull moisture out of everything. The slab doesn’t crack dramatically; it shifts by fractions of an inch. That’s enough, over twenty or thirty years, to crack a closet flange or break the wax ring seal beneath a toilet. The east-side Inland Empire heat cycle also means those west-facing bathrooms turn into ovens every afternoon, and Toto’s electronic bidet seats cook in that heat. When you call us for a Toto repair in Moreno Valley, we’re checking both the fixture and the conditions that made it fail. Good work doesn’t need a sales pitch, it needs the right materials and someone who knows what they’re doing.
Toto Models & Products We Service in Moreno Valley
We service the Toto lines most common in Moreno Valley’s housing stock: the Drake two-piece toilet, including Eco Drake high-efficiency models; the Ultramax one-piece toilet; the Guinevere and Clayton fixture families; and both the Washlet S-series and C-series electronic bidet seats. For parts, we use OEM Toto fill valves, flush towers, and Washlet components whenever they’re available. The tolerances on Toto internals are tight, and we’ve seen too many aftermarket valves cause weak flushes or short-cycling within months of installation. For older Toto toilets where the bowl and trapway are still sound, we recommend rebuilding with OEM internals rather than replacing the fixture. When a 20-year-old toilet is past the point of cost-effective repair, we’ll tell you directly, and we’ll quote a replacement that matches your bathroom’s existing rough-in.
See the difference
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After
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After
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AfterToto Service Pricing in Moreno Valley
| Service | Price Range |
|---|---|
| Bathroom Remodel | $9,000 – $28,000 |
| Tub-to-Shower Conversion | $3,500 – $10,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Bathroom Vanity Installation | $800 – $3,000 |
What drives the cost is fixture age, slab condition, and whether you’re doing a straight replacement or changing the bathroom’s layout. Every estimate is free and written as a line-item quote, so you’ll see the exact scope before any work starts. Call (855) 600-3192 for your estimate.
Serving Moreno Valley, CA — Our Local Coverage Area
We’re based in the Moreno Valley 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 – Toto Construction in Moreno Valley
My Toto Washlet stopped heating or the buttons quit working after a few summers in Moreno Valley – is it worth repairing?
In most cases, yes. The control board or seat sensor is usually the failure point, and replacing that component with an OEM Toto part costs less than a new S-series seat. But if the seat is more than eight years old and shows repeated failures, we’ll tell you honestly whether a replacement makes more sense than another repair. Call (855) 600-3192 and we’ll diagnose it before you spend anything.
Why does my Toto Drake keep running or flush weakly even after I jiggle the handle?
That’s almost always a scaled fill valve or a worn flush tower gasket. Moreno Valley’s hard water coats the valve diaphragm with mineral deposits that prevent a clean seal. Jiggling the handle doesn’t fix the problem; it just moves the chain around. Replacing the OEM fill valve and flush tower takes about an hour, and the toilet flushes like new after. Call (855) 600-3192 to schedule the repair.
Can you install a new Toto toilet during a bathroom remodel on a 1990s Moreno Valley tract home slab?
We can, and we do it regularly in Sunnymead Ranch, Towngate, and Rancho Belago, as well as the older pockets near the 60 Freeway corridor in 92553. Installing a new Toto on slab means checking the closet flange condition first. If the flange is cracked from slab movement, we set a repair flange or replace it before the new fixture goes down. We also verify the rough-in distance, because some 1990s tract homes were built with 10-inch rough-ins instead of the standard 12, which limits which Toto models will fit without moving the drain line.
Do you need HOA approval to swap a tub for a Toto walk-in shower in Rancho Belago or Towngate?
For interior plumbing changes, you generally don’t need HOA approval, because the architectural committee regulates exterior appearance, not what’s behind your walls. But you do need a city permit for the plumbing and any framing changes, and we pull those as part of the job. If the project involves moving a drain line or adding a window, the HOA may want to review the exterior elevation. We’ll walk you through exactly what’s required before work begins. Call (855) 600-3192 and we’ll check your specific subdivision’s requirements.
Are Toto one-piece toilets harder to remove and reinstall for tile flooring or a vanity upgrade?
They’re heavier, which makes them more awkward to handle, but the main challenge is the tight clearance behind the bowl. Toto Ultramax and Guinevere one-piece toilets sit close to the wall, and the supply line and angle stop behind them are often original to the house. On a 1990s Moreno Valley tract home, those stops have been in place for 25 to 30 years and may seize when you try to shut them off. We plan for that by checking the stop before we commit to pulling the fixture, so the job doesn’t stall mid-way. Call (855) 600-3192 for a free estimate that accounts for the full scope.
Service Areas Near Moreno Valley
In addition to all four Moreno Valley ZIP codes, we provide Toto sales & service through our full Moreno Valley service area. We also work in nearby cities including Colton, Redlands, Loma Linda, Bloomington, and Mentone. For homeowners further west, we offer Toto service in Pomona, and for those to the south, Toto service in Eastvale.
Book Your Toto Service in Moreno Valley Today
Call (855) 600-3192 and tell us what’s happening with your Toto fixture. We’ll walk through what you’re seeing, schedule the right repair window, and give you a written quote before any work starts. Free estimates, OEM parts, and the same crew from first call to final flush.
Written by Ruben Montoya, Owner at Stallion Contractors, serving Moreno Valley and the Inland Empire with full-scope residential construction and Toto in March Air Force Base.