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Toto Construction in West Menlo Park, CA | Gold Star Contractors
We’re an independent Bay Area construction crew providing Toto service, installation, and full bath or kitchen remodeling across West Menlo Park, CA. The thing that makes our Toto work different here: we’ve opened up dozens of mid-century West Menlo Park bathrooms where Toto fixtures sit on original 1950s and 60s rough-in, and the problem usually lives in the flange, the wiring, or the ventilation underneath the fixture, not in the Toto itself. If you’re planning a remodel or troubleshooting a Toto toilet or Washlet, call (833) 382-8544 for a straight answer and a free estimate.

Why West Menlo Park Residents Choose Us for Toto Service
We work on Toto equipment daily, which means we know how a Drake behaves on a county-permitted remodel rather than a showroom floor. West Menlo Park has a lot of Eichler-era post-and-beam homes with original plumbing chases and electrical panels that predate modern code. That matters when you’re adding a Washlet seat to a circuit that was built for a single vanity light. We spec the right wiring, the right flange, and the right ventilation along with the right fixture, because a Toto only performs as well as what’s under it.
Noel Carranza, owner and General Contractor in West Menlo Park at Gold Star Contractors, grew up watching tract homes get renovated block by block in Anaheim and studied construction technology at Fullerton College. He’s spent years on projects where the rough-in work decided whether the finish lived up to the brand. We carry that same standard on every Toto job in West Menlo Park: inspect what’s behind the wall before we mount anything on it.
Styles & brands we work with







Common Toto Construction Problems We Solve in West Menlo Park
- Cracked or out-of-level closet flanges under Drake and Ultramax fixtures. The original cast-iron or early brass flanges in 1950s and 60s West Menlo Park homes rot or shift as shallow-rooted oaks and redwoods work the subsoil. A new one-piece Toto rocks, and the wax seal weeps at the base rather than the tank. We cut out the old flange, repair the subfloor, and reset the fixture so it sits dead level.
- GFCI trips and control-board failures on Washlet and Neorest seats. Eichler-era post-and-beam baths often have electronic Toto seats added to circuits that were never designed for that load. We trace the problem back to ungrounded or shared branch wiring before we blame a G500 or S-series board. The fix is often a dedicated circuit, not a new seat.
- Fill valves and flush towers scaling or sticking after a gut remodel. Municipal water is generally good, but sediment settles fast when a full bathroom or kitchen remodel shuts water off and back on. We pull grit from the supply stop and tank inlet on Ultramax and Drake jobs more often than we replace the entire toilet.
- Cracked caulk and silicone lines around Toto skirted trapways. Long dry seasons and flat-roof remodels leave West Menlo Park bathrooms with poor exhaust. Moisture sits on the caulk line, the seal opens, and water tracks to the subfloor. It reads like a bad fixture, but it’s a ventilation problem. We fix the airflow and the seal together.
- Toto fixtures moved during a remodel that needs county inspection. West Menlo Park is unincorporated San Mateo County. Move a toilet or add a Washlet circuit and the work gets permitted and inspected by the county, not the City of Menlo Park. We pull the assessor record before touching a fixture, so the inspection doesn’t turn into a surprise.
Toto Service in West Menlo Park: What Local Conditions Mean for Your Equipment
West Menlo Park sits on unincorporated county land, which creates a permitting split most homeowners don’t realize exists until the inspector shows up. A bathroom remodel on one side of Alameda de las Pulgas may be inspected by San Mateo County while the house three doors down falls under Menlo Park. We’ve seen parcels on the same block with different jurisdictions, and it changes how a Toto relocation or Washlet circuit gets documented, permitted, and inspected. That’s why we pull the assessor record before we touch a fixture. It’s not bureaucratic caution. It’s the difference between closing the wall once and opening it twice.
On an Eichler-era home near Alameda de las Pulgas, our crew opened a hall bath for a full remodel and found the original cast-iron closet flange cracked and rocking over a root-disturbed subfloor beneath a Toto Ultramax the owners had installed a few years earlier. We cut out the old flange, reset a new one level on repaired subfloor with a reinforced wax ring, serviced the OEM fill valve, and confirmed the county inspection before the new tile went down. The same fixture that had been weeping at the base sealed clean once the plumbing underneath was corrected. Toto makes a solid product. The West Menlo Park ground under it is the part that needs watching.
Toto Models & Products We Service in West Menlo Park
We service the full range of Toto residential fixtures common in West Menlo Park: the Drake and Eco Drake two-piece toilets, the Ultramax and Ultramax II one-piece lines, Promenade and Aquia series, and Neorest and Washlet bidet seats including G500 and S-series electronics. Our default is genuine Toto OEM fill valves, flush towers, gaskets, and Washlet components, because the tolerances on CEFIONTECT bowls and electronic seats don’t forgive cheap substitutes. We keep the most common OEM parts in the truck for fast turnaround on Toto sales & service calls across the area, and we only turn to quality aftermarket on older discontinued internals. To be direct: we’re an independent contractor, not authorized, sponsored, or endorsed by Toto.
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AfterToto Service Pricing in West Menlo Park
What a Toto job costs in West Menlo Park depends on whether it’s a service call and parts, or a fixture installation wrapped into a larger remodel. Here are our current market ranges:
| Service | Price Range |
|---|---|
| Bathroom Remodel | $9,000 – $28,000 |
| Small Bathroom Remodel | $5,000 – $12,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Tub-to-Shower Conversion | $3,500 – $10,000 |
| Full Kitchen Remodel | $14,000 – $45,000 |
The estimate we give you is a written line item, so you can see exactly what’s fixture, what’s rough-in, and what’s finish work. We don’t fold a flange repair into a vague labor bucket. Call (833) 382-8544 for a free estimate and we’ll walk your specific Toto setup with you before quoting.
Serving West Menlo Park, CA — Our Local Coverage Area
We’re based in the West Menlo Park area and know this community well, and we also handle Toto service in Palo Alto. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Toto Construction in West Menlo Park
No. Gold Star Contractors is an independent Bay Area construction contractor that services and installs Toto fixtures daily. We’re not authorized, sponsored, or endorsed by Toto, and we don’t claim to be. What we do claim is specific, hands-on experience with Toto equipment inside West Menlo Park’s mid-century homes, including the rough-in underneath.
Almost always worth repairing. A fifteen-year-old Drake with a worn flapper and a scaled fill valve is a service call, not a replacement. We use genuine Toto OEM internals as the default, and the cost lands far below a new fixture. You replace the Drake when the bowl or body is cracked or the flange underneath can’t be salvaged. Call (833) 382-8544 and we’ll tell you honestly which one you’re looking at.
Genuine Toto OEM fill valves, flush towers, gaskets, and Washlet components are our default because the tolerances on CEFIONTECT bowls and electronic seats don’t tolerate cheap substitutes. We only turn to quality aftermarket parts on older discontinued Toto internals where OEM is no longer available.
We service the Toto Drake and Eco Drake two-piece toilets, Ultramax and Ultramax II one-piece toilets, Promenade and Aquia series, and Neorest and Washlet bidet seats including G500 and S-series electronics. We also install and service these fixtures as part of full bathroom remodels, walk-in showers, and kitchen remodels across West Menlo Park.
Installation cost depends on what’s underneath the fixture. If the closet flange is solid and the rough-in is still level, it’s a straightforward install. If we find a cracked cast-iron flange or root-disturbed subfloor, which we commonly see in West Menlo Park’s Eichler-era homes, the flange repair adds to the job. A small bathroom remodel running $5,000 to $12,000 typically includes Toto fixture work along with the rest of the scope. Call (833) 382-8544 for a free estimate on your specific situation.
Service Areas Near West Menlo Park
We work throughout West Menlo Park and the surrounding communities, including West Menlo Park service area, Toto service in Woodside, and Toto service in Redwood City. If you’re a few minutes outside West Menlo Park and need Toto work done right, call us. Chances are we’re already working nearby.
Book Your Toto Service in West Menlo Park Today
We’ll inspect your fixture, check the rough-in underneath, and give you a written estimate. Call (833) 382-8544 to schedule.
Written by Noel Carranza, Owner & General Contractor at Gold Star Contractors, serving West Menlo Park and the surrounding Bay Area.