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Toto Construction in Ben Lomond, CA | Daly City Construction
We install, repair, and replace Toto toilets and Washlets throughout Ben Lomond, including Drake, Eco Ultramax, and Neorest lines. What makes our Toto work different in this ZIP (95005) is that we plan for what mountain homes actually do: well-water sediment, humidity that eats at gaskets, and pier-and-post floors that shift with the seasons. Call (866) 505-5254 to talk through what your bathroom needs, and we’ll give you a straight answer.

Why Ben Lomond Residents Choose Us for Toto Service
We’ve worked on hundreds of Toto fixtures across the Santa Cruz Mountains, and we know which parts fail and why. The Drake’s fill valve wears differently on well water with high sediment than on municipal supply. A Washlet C100’s sensors behave differently in an unheated bathroom that hovers near dew point from November through March. Noel Cabrera, our owner, grew up around fog-weathered coastal construction in Daly City and trained at City College of San Francisco, so he understands what moisture does to framing and fixtures over decades. When we work on a Toto in Brookdale or Ben Lomond, we’re not just swapping a part. We’re checking what the surrounding conditions have already done to the installation.
Browse our full Toto sales & service capabilities or see how we cover the whole Ben Lomond service area for bathroom and plumbing-adjacent work.
Styles & brands we work with







Common Toto Construction Problems We Solve in Ben Lomond
Here’s what actually shows up in mountain cabins around Ben Lomond, not what generic service pages list:
- Phantom flushing from sediment-worn fill valves and flappers. Ben Lomond well water carries fine grit that abrades Toto fill-valve seals faster than city water ever would. The toilet runs for a few seconds every hour, and the homeowner never hears it until the water bill climbs.
- Washlet control boards failing after power flickers. Mountain-grid power is not stable along Highway 9. Surges and dropouts spike delicate Washlet electronics. We diagnose the exact board or sensor, then decide with you whether an OEM part makes sense or the unit is past its useful life.
- Tank-to-bowl gasket and bolt corrosion. High humidity plus condensation plus the acidic character of some Ben Lomond groundwater means bolts corrode and gaskets stiffen years ahead of schedule. The result is a slow leak at the base that nobody sees until the floor under the toilet starts to soften.
- Wax ring failures on sloped lots. Pier-and-post foundations on Ben Lomond’s sloped terrain shift subtly all year. That movement can break the wax ring seal, letting odor and moisture leak onto subfloor framing. We frequently find rot that started exactly this way.
- Neorest installation clearance issues. A Neorest needs a dedicated GFCI outlet and more floor space than the older cabin bathrooms typically have. We regularly open floors to reroute wiring and reinforce joists before the new fixture can go in.
Toto Service in Ben Lomond: What Local Conditions Mean for Your Equipment
Ben Lomond sits in the Santa Cruz Mountains redwood belt along Highway 9, and construction here is not like flatland work. Most of the building stock is mid-century or older redwood-framed cabins and ranch homes on pier-and-post foundations, often on steep, wooded lots. Bathroom floors in these cabins frequently have minimal clearance over the joists below. That changes how a Toto in Mount Hermon or Ben Lomond replacement goes. Replacing a Neorest, which requires a dedicated GFCI outlet and a larger footprint, usually means opening the floor to reroute wiring and reinforce joists before the new toilet can be set. A flatland installer would never expect that. We do, because we see it all along Highway 9, from the grid of streets near Ben Lomond Market back into the steep parcels above the San Lorenzo River. Wet, shaded redwood country means rot, moss, and drainage are chronic problems. Remodel jobs here routinely uncover hidden foundation and rot work that has to be permitted and engineered before anything cosmetic can proceed. For Toto owners, that means the toilet issue is sometimes the first symptom of a subfloor or framing problem, not the root cause.
We recently replaced a leaking Toto Drake in a 1960s redwood cabin off Highway 9 near the Ben Lomond Market. The original wax ring had failed, and water had quietly rotted the subfloor around the flange, hidden until we pulled the toilet. We sistered the joists, installed a new stainless-steel closet flange, and set a new Drake with a reinforced wax ring, then added a GFCI outlet for the owner’s future Washlet. That is what Lompico Toto service and Ben Lomond work actually looks like.
Toto Models & Products We Service in Ben Lomond
We install and service the full practical range of Toto residential fixtures. The Drake (CST743 series) is the most common toilet we work on in Ben Lomond, and we stock OEM fill valves, flappers, and tank-to-bowl gaskets for it locally. The Eco Ultramax (MS854114 series) shows up in newer remodels and ADU builds. Washlet models we service include the S350e and C100 lines, with OEM board and sensor replacement when it pencils out. The Neorest integrated smart toilet is the most site-sensitive fixture we handle here, because of the power and footprint demands. We use Toto OEM parts for repairs, not aftermarket generics. Toto’s proprietary threads and flow rates are not matched by third-party parts, and we are not interested in installing something that will fail again in nine months.
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AfterToto Service Pricing in Ben Lomond
An exact price depends on what the house gives us: joist condition, wiring access, floor elevation, and which Toto fixture you’re installing. Here are the bathroom-scope ranges we quote in Ben Lomond:
| Service | Typical 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 |
Those numbers shift based on the rot we find, whether electrical needs rerouting, and what you choose for finishes. Our free estimate walks the site and gives you a written line-item breakdown before any work starts. Call (866) 505-5254 and we’ll schedule it.
Serving Ben Lomond, CA — Our Local Coverage Area
We’re based in the Ben Lomond 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 Ben Lomond
Can you install a Toto Washlet in my Ben Lomond cabin if the bathroom has no GFCI outlet?

No, not legally or safely. A Washlet requires a dedicated GFCI outlet, and most mid-century cabins in Ben Lomond do not have one near the toilet. We run the new circuit as part of the install, which usually means opening a wall or floor chase. It’s routine for us, but it’s a step flatland installers often skip because they never see wiring that old.
My Toto Neorest keeps turning off and on – is it worth repairing in this humid climate?
Often the issue is the control board or a sensor that has been stressed by the humidity and power fluctuations common along Highway 9. We diagnose the component first, then quote the OEM part and labor. If the repair cost is more than about 60% of a comparable new unit, we’ll tell you plainly and help you choose a replacement that suits your bathroom’s power and space conditions. Call (866) 505-5254 for an honest read.
Why does my Toto toilet run intermittently even after I replaced the flapper?
In Ben Lomond, sediment from well water usually means the fill valve seat is also worn or grit is keeping the flapper from sealing. Replacing just one component rarely fixes it. We replace fill valve and flapper together, sometimes the flush-valve seal too, using Toto OEM parts. That solves the phantom running for years instead of months.
Do you need to remove my Toto toilet to remodel the bathroom floor?
Yes. The toilet has to come out to do the floor right, and in Ben Lomond we often find the subfloor around the flange needs repair once the toilet is up. We plan for that, so the schedule does not fall apart mid-job.
Can you convert my tub to a shower and keep my Toto Washlet?
Yes, as long as the Washlet is still in good condition and the bathroom has or can accept a GFCI circuit. We sequence the tub-to-shower conversion so the Washlet’s electrical and water supply stay intact while the shower area is rebuilt. The final waterproofing inspection happens before we reinstall the Washlet and test it. Call (866) 505-5254 and we’ll scope it.
Service Areas Near Ben Lomond
We work up and down Highway 9 and the surrounding mountain communities. Along with Ben Lomond, you’ll find our Toto service in Toto service in Felton and Toto service in Bonny Doon, plus Boulder Creek, Brookdale, and Scotts Valley. Same team, same OEM parts, same understanding of mountain construction.
Book Your Toto Service in Ben Lomond Today
If your Toto is leaking, phantom-flushing, or the Washlet is flickering, don’t wait until the subfloor tells you about it. Call (866) 505-5254 to schedule your free estimate. We’ll come out, look at the fixture and the framing around it, and tell you what the house needs. Not what you think it needs.
Written by Noel Cabrera, Owner at Daly City Construction, General Contractor – Ben Lomond, serving Ben Lomond and the Santa Cruz Mountains with independent Toto installation and service. Tell me what the house needs, not what you think it needs, then we’ll figure out the right fix.