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Toto Construction in Fullerton, CA | Stallion Contractors
We provide independent Toto installation and repair across Fullerton, from the historic bungalows near downtown to the mid-century tracts in 92833 and 92835. What sets our Toto work apart here is simple: we know how these fixtures fail in Fullerton’s specific housing stock, because we’ve pulled enough of them out of 1950s bathroom floors to see the patterns. Call (855) 600-3192 for a free estimate on any Toto toilet, washlet, or full bathroom project.

Why Fullerton Residents Choose Us for Toto Service
Toto’s gravity-flush trapways, one-piece bowls, and washlet electronics are built well, but they’re not built for every house. In Fullerton, where homes range from early-1900s Craftsman bungalows to post-war tract builds, the plumbing beneath a Toto matters as much as the fixture itself. We’ve rebuilt our bathroom and kitchen trade around Toto specifically, so we know the difference between a valve that needs a $12 part and a flange that needs real plumbing work. Ruben Montoya grew up in Colton watching tradesmen build homes on soil they understood, and he brings that same read-the-house approach to every Fullerton job: no shortcuts on framing, no corners cut on concrete, no material swapped to pad a margin. We’re an independent contractor and not affiliated with or authorized by Toto, which means our recommendations are about what the fixture needs, not a warranty script. For broader Toto sales & service information, we cover the same model lines and repair approaches across our service area.
Styles & brands we work with







Common Toto Construction Problems We Solve in Fullerton
- Fill and flush valve wear from Fullerton’s hard water. The mineral-heavy supply in this inland basin eats Toto fill valves and flappers faster than coastal cities see. A toilet that runs constantly is usually a degraded fill valve, and on a Toto Drake or Eco Ultramax, the fix is a genuine Toto part rather than a universal knockoff that seats poorly and leaks again in six months.
- Wax ring and flange failures on slab and pier-and-beam bathrooms. A Toto one-piece bowl weighs more than a two-piece, and on an older Fullerton slab home with a corroded cast-iron closet flange, that weight finishes what rust started. We see slow base leaks that homeowners mistake for condensation. The floor stains show up later.
- Washlet electronics failing from heat and hard-water scale. The S550e, C5, and K300 seats have inlet filters and wand assemblies that clog with mineral buildup in Santa Ana heat cycling. The seat’s sensors trip, the wand stops extending, and the seat errors out. Descale the filter and nozzle, and most come back. Dead boards are a different conversation.
- Tank-to-bowl gasket corrosion on one-piece Totos. Fullerton’s dry, hot interior air causes the gasket between tank and bowl to dry and shrink on older one-piece units. The leak is hidden until the floor around the base darkens or the subfloor softens. We catch these during remodels before they become rot.
- Non-permitted past plumbing surfacing during Toto installs. In the 92832 and 92831 pockets, we routinely open a bathroom wall to replace a Toto and find venting that was never done right, supply lines that are undersized, or a rough-in that doesn’t match the new fixture. That’s a Fullerton reality: the fixture swap becomes a correction job.
Toto Service in Fullerton: What Local Conditions Mean for Your Equipment
Fullerton’s construction market is shaped by the collision of a preserved turn-of-the-century downtown core and mid-century tract buildout with an active historic-preservation review process. Remodeling near the Downtown Fullerton Historic District, the Fox Theatre block or Villa del Sol, means dealing with the city’s historic review requirements before a single fixture goes in. The rest of the city is full of older homes that trigger permit and code-upgrade scope the moment you open a wall. That split, preservation red tape downtown versus deferred-maintenance older housing elsewhere, is what makes working here different from building in a neighboring Orange County city. For a Toto owner, it means the same bathroom job runs two ways: downtown remodels near the Fox Theatre block hit historic review before fixtures go in, while older 92831 and 92833 homes often open a wall to non-permitted past plumbing that has to be corrected before a new Toto toilet or washlet can be set. On a 1950s tract home in the 92833 area, our crew pulled a running Toto Drake, found a corroded closet flange and a failed wax ring leaking onto the slab, and reset it with a new flange, wax seal, and genuine Toto fill valve. When the homeowner’s Washlet C5 wand stopped extending, we descaled the inlet filter and nozzle assembly rather than selling a whole new seat. The fixture flushed and washed correctly again the same visit.
Toto Models & Products We Service in Fullerton
We service the Toto lines Fullerton homeowners actually have installed: Eco Ultramax and Ultramax II one-piece toilets, Drake and Drake II two-piece models including the CST743 and CST454 series, Vespin II and Aquia dual-flush toilets, and the Washlet and Washlet+ electronic seats (S550e, C5, K300). For parts we use genuine Toto fill valves, flappers, wax seals, and washlet components where the model calls for it, and quality aftermarket supply lines and flanges where the OEM part is no better. On a Toto, we lean toward repair for valve, seal, and washlet-wand issues. A cracked one-piece bowl or a dead washlet board is where we tell you replacement makes more sense. Our Fullerton service area coverage includes the full range of Toto sales & service, and we stock common Toto valve and washlet parts locally so most Fullerton repairs don’t wait on freight.
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AfterToto Service Pricing in Fullerton
What you pay depends on the fixture, the rough-in, and what we find when the toilet comes off the floor. Here’s how Toto-related bathroom construction and installation pricing breaks down in Fullerton:
| Service | Price Range |
|---|---|
| Bathroom Remodel | $9,000 – $28,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Tub-to-Shower Conversion | $3,500 – $10,000 |
| Bathroom Vanity Installation | $800 – $3,000 |
| Tile & Fixtures (per sub-service) | Quoted per scope |
A free estimate from us includes a look at the rough-in, the flange, the supply lines, and any code-upgrade scope the city will require. We write line-item quotes so you know exactly what a Toto replacement or bathroom remodel costs before work starts. Call (855) 600-3192 and we’ll price your Fullerton project properly.
Serving Fullerton, CA — Our Local Coverage Area
We’re based in the Fullerton 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 Fullerton
Yes, and this is common in Fullerton’s 1950s and 1960s tract homes where bathroom circuits were never upgraded. We check the GFCI protection and circuit load before installing a Washlet seat, because the S550e and K300 draw enough current to trip an old, shared bathroom circuit. If the outlet isn’t GFCI-protected or is shared with a hairdryer and a space heater, we run a dedicated circuit. Call (855) 600-3192 and we’ll tell you exactly what your bathroom needs.
In almost every Fullerton case we see, it’s mineral buildup in the fill valve or a worn flapper from the hard inland-basin water. Fullerton’s supply carries enough calcium and magnesium to degrade Toto valve seals faster than coastal Orange County homes. The fix is usually a genuine Toto fill valve and flapper, a 30-minute job. Call (855) 600-3192 and we’ll quote it over the phone.
It changes when you install, not whether you can. Remodeling near the Downtown Fullerton Historic District, around the Fox Theatre block or Villa del Sol, means the city’s historic review process has to clear the scope before fixtures go in. We handle the permit path and coordinate the review so your Toto install doesn’t stall. Call (855) 600-3192 and we’ll walk you through the Fullerton-specific process.
It can be. In Fullerton slab homes, especially post-war tracts in 92833 and 92835, the closet flange is often cast iron and heavily corroded. A heavy one-piece Toto sitting on a failed flange breaks the wax seal, and water wicks under the bowl onto the slab. We reset the flange, install a new wax seal, and set the fixture correctly so the leak doesn’t return. Call (855) 600-3192 and we’ll assess the base leak before it becomes a subfloor problem.
If the leak is at the flange or the tank-to-bowl gasket, repair makes sense. If the bowl is cracked or the internal trapway is compromised, replacement is the honest answer. A Toto one-piece bowl cannot be patched. We’ll tell you which one you have when we inspect it, and a free estimate at (855) 600-3192 settles the repair-or-replace question without a sales pitch. Good work doesn’t need a sales pitch, it needs the right materials and someone who knows what they’re doing.
Service Areas Near Fullerton
We serve Fullerton ZIP codes 92832, 92833, 92834, and 92835, along with nearby communities across North Orange County and the Inland Empire. For Toto owners in neighboring cities, we offer Toto service in Canyon Lake and Toto service in Valle Vista, plus coverage in Colton, Bloomington, Mentone, San Antonio Heights, Loma Linda, and Redlands.
Book Your Toto Service in Fullerton Today
Whether it’s a running Drake in a 92833 tract home, a dead Washlet C5 wand, or a full bathroom remodel with Toto fixtures near downtown, we’ve pulled the permits and set the fixtures in every corner of Fullerton. One contractor. Every trade. Call (855) 600-3192 to schedule your free estimate today.
Written by Ruben Montoya, Owner at Stallion Contractors, serving Fullerton and the Inland Empire.