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Toto Construction in Montclair, CA | Stallion Contractors
Stallion Contractors provides independent Toto fixture service across Montclair, from toilet and Washlet repair to full bathroom remodels where Toto products stay in place or get re-plumbed for a new layout. The one thing that makes our Toto work here different: we understand how Montclair’s 1950s-60s shallow slab homes affect Toto flanges, supply lines, and rough-in dimensions, and we plan for it before the first fixture gets pulled. We’re not affiliated with or authorized by Toto, which means we recommend repair or replacement based on what your fixture actually needs, not a manufacturer script. Call (855) 600-3192 for a free estimate from a team that does Toto sales & service with full-scope remodeling behind it.

Why Montclair Residents Choose Us for Toto Service
We’ve handled Toto fixtures across hundreds of Inland Empire gut-and-rebuilds, so we know the Toto service in Ontario and rough-in realities of Toto toilets and faucets, not just the showroom specs. Montclair homeowners pull us into projects where a Toto Drake is staying but the bathroom around it is getting torn out, or where a Washlet needs real diagnosis instead of a parts-swap guess. Ruben Montoya, our owner, grew up in Colton and cut his teeth on houses built the same way Montclair’s were: wood-frame stucco, shallow slabs, and plumbing that’s seen sixty years of hard Inland Valley water. That background is why we check the flange, the supply shutoff, and the vent line before we promise a Toto fixture will seat and flush right in an older Montclair home. Good work doesn’t need a sales pitch, it needs the right materials and someone who knows what they’re doing.
Styles & brands we work with







Common Toto Construction Problems We Solve in Montclair
Here’s what we actually find when we open up Toto fixtures in Montclair homes:
- Washlet seat electronics and supply-line connections degrading under hard water. Montclair’s municipal water carries enough mineral content that Washlet inlet screens, warm-water lines, and pressure valves scale up faster than they do in softer-water areas. We get called for Washlets that dribble, lose spray pressure, or throw error codes, and the fix is usually descaling the internal lines and replacing the inlet filter with a genuine Toto part.
- Drake fill and flush valves wearing out and causing phantom running or weak flush. After years on hard Inland Valley water, the flapper seal and fill-valve diaphragm in a Drake stiffen and leak. We rebuild these with Toto OEM fill valves and flush towers so the toilet flushes like it did new, instead of racking up your water bill one silent run at a time.
- Flange failures exposed during slab-level bathroom remodels. Montclair’s original shallow slab construction means the toilet flange often sits low or cracked from concrete movement. When we pull a Toto for a bathroom gut, we frequently find the flange is the actual problem, not the toilet. We re-set or re-engineer the flange before the new or existing Toto goes back down.
- Tank-to-bowl gasket and bolt corrosion on older Soirée and Promenade one-pieces. These fixtures are known for tight clearances and hidden gaskets, and in a Montclair bathroom that’s seen a Santa Ana-driven roof or window leak, that area stays damp and corrodes. We replace the gasket and hardware before it leaks onto the floor.
- Rough-in mismatches during tub-to-shower conversions. When a Montclair homeowner converts a tub to a walk-in shower, the toilet’s existing rough-in dimension often doesn’t align with the new wet-wall framing. We re-route and re-set the Toto to the correct 12-inch rough-in while the walls are open, rather than leaving an awkward offset that codes won’t pass.
Every one of these is solvable, but each takes a contractor who’s opened enough Montclair bathrooms to know what they’re looking at.
Toto Service in Montclair: What Local Conditions Mean for Your Equipment
Most original Montclair homes sit on shallow slabs with no attic space, and that single construction detail reshapes how Toto work gets done here. When we pull a Toto toilet to re-plumb a bathroom on the 91763 side of town, the flange is often cast low into the slab, set in concrete that’s shifted over sixty years of Inland Valley heat and Santa Ana wind events. That means the flange frequently sits below the finished floor height or carries hairline cracks along the bolt slots, and a new Toto won’t seat or seal correctly until the flange is built up or replaced entirely. This step rarely comes up in newer Inland Empire construction, where flanges sit flush on plywood subfloors or post-tension slabs. In Montclair, it’s the norm, and it’s why we quote Toto work here with a flange inspection built in, not as a surprise change order. That’s the difference between a toilet that flushes for twenty years and one that rocks and leaks at the base within six months. Call (855) 600-3192 for an exact quote, estimates are free.
Toto Models & Products We Service in Montclair
We service the Toto lines most common in Inland Empire bathrooms: the Drake and Drake II two-piece toilets, which are the workhorse of Montclair’s tract homes and Toto in Claremont remodels alike; the EcoPower and EcoFlush high-efficiency models running on reduced water per flush; the Soirée and Promenade one-piece fixtures that show up in higher-end bath renovations; and the Washlet bidet seat line, both S-series and C-series. On parts, our rule is simple: we use genuine Toto OEM fill valves, flush towers, and gaskets anywhere they affect the flush itself or the fixture’s warranty life. For surface-level items where the savings are real and the fit is proven, we’ll use quality aftermarket parts. On a hard-water Toto, we generally repair valve and seal components first, because the ceramic glaze and trapway design are still doing their job. Full replacement only makes sense when the bowl or tank itself is cracked, or when your remodel is changing the rough-in to a different dimension. We stock common Toto OEM repair kits and supply components locally for fast Montclair turnaround, so you’re not waiting on a backordered part while your bathroom is down.
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AfterToto Service Pricing in Montclair
What you’ll pay depends on whether we’re repairing a fixture or rebuilding the bathroom around it. Here are the line-item ranges we quote in Montclair:
| Toto-Related Service | Price Range |
|---|---|
| Bathroom Remodel (full gut, Toto fixtures kept or upgraded) | $9,000 – $28,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Tub-to-Shower Conversion (with Toto re-rough-in) | $3,500 – $10,000 |
| Bathroom Vanity Installation | $800 – $3,000 |
| Tile & Flooring (material and labor scope varies) | $800 – $2,500 |
Fixture repair, like a Drake fill-valve rebuild or a Washlet descaling, runs lower and gets quoted as a fixed line item after we diagnose it. Your free estimate includes a written scope of work with the flange inspection, parts plan, and labor broken out. Call (855) 600-3192 to schedule it.
Serving Montclair, CA — Our Local Coverage Area
We’re based in the Montclair area and know this community well, and we also provide Toto service in Upland. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Toto Construction in Montclair
Yes. We remove it intact, inspect the flange and supply line while the walls are open, replace any worn seals or valves, and re-install it once the new floor and wall finishes are in. The caveat in Montclair is that the original flange often needs re-setting because of the shallow slab, which we handle as part of the remodel scope. Call (855) 600-3192 to talk through your specific bathroom.
In Montclair, it’s almost always mineral scale from hard Inland Valley water building up in the Washlet’s inlet screen, warm-water line, or spray nozzle array. We descale the internal lines, replace the inlet filter with a genuine Toto part, and flush the system so spray pressure returns. If the clog has damaged the nozzle assembly, we quote that replacement separately before any work starts.
Yes, if you’re converting a tub to a walk-in shower, the toilet’s rough-in often shifts with the new wet-wall framing, and leaving an offset flange or a cramped clearance is a mistake you’ll feel every day. Re-plumbing the Toto while the walls are open costs a fraction of what it costs to fix later, and it keeps the fixture flushing correctly for decades. Call (855) 600-3192 for a conversion quote with the Toto rough-in included.
We use genuine Toto OEM fill valves, flush towers, and gaskets anywhere they affect the flush or the fixture’s warranty life. For surface-level components where aftermarket quality is proven and the savings are meaningful, we’ll use them and tell you exactly what’s going in. You’ll see the parts choice on your written estimate before any work begins.
In a Montclair home built in the 1950s or 60s, a rocking or base-leaking Toto usually means the wax ring has failed because the flange sits low or cracked in the original shallow slab. We pull the toilet, inspect the flange, re-set or replace it to the correct height, and install a new wax ring (or wax-free alternative) before re-seating the Toto. Call (855) 600-3192 for a flange inspection and fixed-price repair quote.
Service Areas Near Montclair
Stallion Contractors runs Toto service calls and bathroom remodels throughout the surrounding Inland Empire, not just Montclair. We cover Montclair service area alongside our Toto service in Calimesa route and Toto service in Jurupa Valley work. You’ll also find us in Colton, Loma Linda, and Redlands, where the housing stock and slab conditions run similar to what we handle in Montclair.
Book Your Toto Service in Montclair Today
If your Toto fixture needs work in Montclair, or you’re planning a bathroom remodel that includes one, call (855) 600-3192 today. We’ll schedule a free estimate, inspect the flange and supply lines, and give you a written scope with real numbers before any work starts.
Written by Ruben Montoya, Owner at Stallion Contractors, serving Montclair and the Inland Empire with full-scope remodeling, Toto repair in La Verne, and independent Toto fixture service.