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Toto Construction in San Jose, CA | San Mateo Construction
We’re San Mateo Construction, and we provide independent Toto service across San Jose, CA – installation, reset, repair, and full bathroom remodels built around Toto fixtures. What makes our Toto work different here is simple: we plan every job around San Jose’s permit portal and the plumbing realities of 1950s – 1970s slab-on-grade tract homes. That combination means a Toto install in Willow Glen doesn’t get treated like one in a brand-new townhome. If you’re dealing with a running Drake, a dead Washlet seat, or planning a full bath remodel around Toto fixtures, call (855) 901-7266 for a free estimate.
Why San Jose Residents Choose Us for Toto Service
Noel Carrington grew up in the Baywood neighborhood of San Mateo, pouring concrete footings with his father, and spent three decades on residential and light commercial jobs across the county. That background matters when you’re setting a heavy one-piece Toto Ultramax II on a 1960s cast-iron flange – you learn to read what’s underneath before you torque anything down. We’re not manufacturer-affiliated or authorized by Toto. We’re a licensed general contractor whose crews have installed, reset, and repaired enough Drakes, Ultramaxes, Vespins, and Washlet seats across San Jose’s older neighborhoods — from Toto service in Alum Rock to homes near Seven Trees — to know how these fixtures actually behave on local plumbing.
We also happen to carry full Toto sales & service capability alongside every other trade we run – roofing, windows, cabinetry, hardscaping. For a San Jose homeowner, that means one accountable contractor for the rough-in, the tile, the fixture, and the finish, not three different crews pointing fingers at each other. Tell me what you actually need, and we’ll figure out the right way to build it.
Styles & brands we work with







Common Toto Construction Problems We Solve in San Jose
These are the patterns we see over and over in San Jose homes – not generic toilet complaints, but failures tied to this city’s housing stock and water.
- Washlet seat electronics failing early. Most postwar San Jose bathrooms weren’t wired for a bidet seat. The nearest outlet is across the room, so owners run an extension cord or tie into a lighting circuit without GFCI protection. The seat dies – people assume the Washlet is junk. It’s almost always an electrical problem, not a fixture problem. We fix both.
- Fill valve and flapper wear from hard water. San Jose’s water leaves mineral scale on Toto fill valves and flapper seats faster than most owners expect. A Drake that runs every ten minutes or doesn’t fully refill is usually a scaled-up valve body, not a bad toilet. We rebuild the tank with genuine Toto parts and it quiets right down.
- Wax ring and flange failure on slab floors. The 1950s – 1970s tract homes across San Jose sit on slab-on-grade with original cast-iron or early copper flanges. Those flanges corrode and the toilet starts to rock. Toto’s one-piece models are heavier than a standard two-piece, so a compromised flange leaks at the floor seam faster. We pull the bowl, inspect the flange, and reset it properly.
- Tank-to-bowl gasket seepage on older two-piece Totos. A Drake or Vespin II that’s never had the tank reset will eventually seep at the bolts, especially after a wet winter drives moisture through the subfloor. The first sign is stained flooring or a musty smell before you ever see standing water.
- Non-permitted additions with undersized drain lines. San Jose has a lot of bootlegged bathroom additions from the 1980s and 1990s. The drain was never sized right. A new Toto with a 1.28-gallon flush works fine – until it doesn’t, because the waste line wasn’t vented to code. We bring the plumbing up before we set the fixture.
Toto Service in San Jose: What Local Conditions Mean for Your Equipment
San Jose is the largest city in the Bay Area and the self-proclaimed Capital of Silicon Valley, but from a contractor’s perspective it’s defined by three things: extreme land values, 1970s-era single-family tract homes, and a permit culture that is stricter and slower than almost anywhere else in the country. Every job gets planned around the city’s online permit portal – green-building checklists, stormwater requirements, and in neighborhoods like Willow Glen, the Rose Garden, and Communications Hill, historic-preservation and tree-protection overlays layered on top of state code. What that means for a Toto owner: a simple toilet swap usually doesn’t need a permit, but the moment you move a supply line, re-route a vent, or add that GFCI circuit for a Washlet, you’re in reviewed territory. The fixture choice and the rough-in get evaluated together. In Willow Glen we remodeled a 1960s bathroom where the owners had already bought a Toto Ultramax II and a Washlet seat. The closet flange on the slab had corroded, and there was no outlet near the toilet. We reset the flange, ran a dedicated GFCI circuit, set the one-piece on a new wax seal, and tiled around it – no phantom running, and the Washlet stayed powered. That job wouldn’t have passed inspection in San Jose without the electrical upgrade, and a lot of handymen would have skipped it.
Toto Models & Products We Service in San Jose
We work on the full range of Toto fixtures San Jose homeowners actually buy: the two-piece Drake series (CST743/CST744 elongated), the one-piece Ultramax II (MS604114CEFG), the Vespin II and Aquia dual-flush models, and the Washlet / WASHLET+ bidet seats including the S550e and C5. Parts-wise, we keep genuine Toto fill valves, flappers, and tank gaskets on the truck because those are the parts where OEM tolerances are exact. For wax rings, supply lines, and closet flanges, we use quality aftermarket components – Toto doesn’t manufacture those, and paying a markup for a branded part they don’t make doesn’t serve anyone. We repair a Toto when the bowl, trapway, and porcelain are still sound. When a 30-year-old single-flush is worn out and the owner is really after a Washlet upgrade, we’ll say so honestly – that’s the point where replacement makes more sense than rebuilding.
See the difference
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AfterToto Service Pricing in San Jose
What you’ll pay for Toto work in San Jose depends on the job’s scope: a simple toilet reset is a few hundred dollars, while a full bathroom remodel built around a Toto fixture and Washlet runs well into five figures. San Jose’s permit fees and inspection scheduling also factor in when the job moves beyond a like-for-like fixture swap. Here are the line items we quote most often for Toto-related work, reflecting San Jose market rates:
| Service | Price Range |
|---|---|
| Bathroom Remodel (including Toto fixture reset and plumbing rough-in) | $10,620 – $33,040 |
| Walk-In Shower Installation | $5,310 – $14,160 |
| Tub-to-Shower Conversion | $4,130 – $11,800 |
| Bathroom Vanity Installation | $945 – $3,540 |
| Shower Replacement | $3,540 – $10,030 |
Your free estimate includes a site visit, a written line-item quote, and an honest read on repair versus replace. No change orders halfway through because we didn’t look at the flange. Call (855) 901-7266 to schedule yours.
Serving San Jose, CA — Our Local Coverage Area
We’re based in the San Jose 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 San Jose
Yes, and this is one of the most common upgrades we handle in San Jose’s older homes. The fix is running a dedicated GFCI circuit to a new outlet behind the toilet, which is a permitted electrical job. Without GFCI protection, a Washlet seat on a borrowed lighting circuit will trip or burn out early. Call (855) 901-7266 and we’ll tell you exactly what your bathroom needs.
In San Jose, it’s usually both. Hard water leaves mineral scale on the flapper seat and fill valve stem, which lets water bypass slowly. The toilet itself is almost always fine. We rebuild the tank with genuine Toto parts and the running stops. If it’s gone on for months, have us check the water bill too – that slow trickle adds up.
A like-for-like toilet swap in San Jose generally doesn’t need a permit, but anything that moves supply lines, re-routes a vent, adds a circuit for a Washlet, or changes wall framing does. San Jose’s online permit portal routes that work through green-building and stormwater checklists, and in neighborhoods like Willow Glen or the Rose Garden, historic-preservation review can apply. We handle all of it – drawings, submittal, inspection scheduling. Call (855) 901-7266 to walk through what your project triggers.
Maybe. One-piece Totos are heavier and their waste horn sits slightly differently than many older two-piece models. If your 1950s – 1970s home still has the original cast-iron or copper flange and it’s corroded or out of level, the Toto will rock and eventually leak. We inspect the flange before anything gets set, and we replace it with a proper closet flange when needed – that’s the difference between a clean install and a slow leak you won’t see until the subfloor is ruined.
If you’re already opening walls and running plumbing, yes – that’s the cheapest time to add the dedicated GFCI circuit and rough-in a Washlet. Retrofit electrical after tile is done costs more and makes a mess. Most of our full bath remodel clients in San Jose build the Washlet into the plan from day one. Call (855) 901-7266 and we’ll price it into your remodel before you commit.
Service Areas Near San Jose
We cover all of San Jose’s ZIP codes including 95106, 95108, 95109, and 95110, plus the surrounding South Bay and Peninsula. Our crews also work regularly in San Jose service area communities like Campbell, Santa Clara, and Cupertino. If you’re just over the hill, we provide Toto service in Monte Sereno and Toto service in Los Gatos as well.
Book Your Toto Service in San Jose Today
If your Toto is running, rocking, or dead, or you’re planning a bathroom remodel in San Jose around Toto fixtures, we’ll send a crew that knows this city’s plumbing — including Toto repair in Buena Vista and surrounding neighborhoods. Call (855) 901-7266 for a free estimate today.
Written by Noel Carrington, Owner at San Mateo Construction, serving San Jose and the Bay Area.