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Kohler Construction in San Mateo, CA | San Bruno Construction
Kohler construction service in San Mateo means one thing for us: we’re the San Mateo General Contractor who’s opened up enough Eichler and post-war ranch walls to know exactly what that job takes before a single fixture comes out of its box. We service, install, and rebuild around Kohler fixtures across every San Mateo ZIP code from 94401 to 94497. If you’re planning a bath or kitchen remodel built on Kohler, call (866) 472-1908 for a free estimate.
We’re not authorized by Kohler, and we won’t pretend otherwise. What we offer is closer to what you actually need: a crew that’s installed Memoirs toilets, Purist valves, and Whitehaven sinks in hundreds of Peninsula homes, and that buys genuine Kohler OEM parts when the job calls for them. San Mateo’s housing stock is specific; so are its Kohler failure modes. We know both.
Why San Mateo Residents Choose Us for Kohler Service
Most contractors in San Mateo can swap a faucet or set a toilet. Very few can tell you why a Rite-Temp valve in a Baywood Eichler bath keeps dripping every three years, or what a Comfort Height toilet’s wax ring does on a 70-year-old cast-iron flange. Our founder, Noel Carvalho, trained in construction technology at Skyline College in San Bruno and has spent more than two decades running residential projects across San Mateo County, including Belmont Kohler service calls. That means when our crew opens a wall behind a Kohler tub in a 1950s ranch, we know what we’re going to find before the drywall comes off – and we’ve already priced for it.
We work directly with Kohler sales & service channels to source genuine cartridges, fill valves, and trim, not whatever happens to be on the shelf at the nearest supply house. San Mateo homeowners get the right part the first time, not a workaround.
Styles & brands we work with







Common Kohler Construction Problems We Solve in San Mateo
- Rite-Temp and ceramic-disc cartridges seizing from hard water mineral scale. San Mateo’s water has enough calcium and magnesium to build scale inside any valve body over a few years. We see it most in homes that repiped from galvanized to copper decades ago – the transition points dump sediment that settles in the cartridge. Repair is usually a genuine Kohler cartridge swap; replacement is only when the brass body itself is scored.
- Cast-iron enamel tubs and sinks chipping or rusting at the rim and drain. A 1950s San Mateo ranch bath with no exhaust fan and decades of fog-belt humidity means moisture worked behind the tile long before you saw the chip. We check the substrate, not just the enamel. If the iron’s exposed and rusting through, we’ll tell you replacement is the honest call.
- Comfort Height one-piece toilets with fill-valve wear and wax-ring failures at the flange. Post-war tract homes on older cast-iron drains get slab movement and flange corrosion. A new toilet on a bad flange leaks within months. We inspect the flange and reset the wax ring correctly, not just swap the bowl.
- Memoirs and Purist widespread lavatory faucets leaking at the pop-up or escutcheon seals. Exterior wall condensation in tight Eichler and ranch baths works on unsealed penetrations until you get water stains on the vanity. We seal, replace the OEM gaskets, and make sure the pop-up linkage actually seats.
- Mirrored medicine cabinets and vanity tops failing at silicone joints in bathrooms with poor exhaust. San Mateo’s damp air plus a bathroom with no mechanical vent equals mold behind silicone eventually. We fix the ventilation while we’re in there, not just re-caulk over the problem.
Kohler Service in San Mateo: What Local Conditions Mean for Your Equipment
Here’s something you won’t find on a generic Kohler page: San Mateo’s Eichler and post-war ranch baths were framed with shallow, tightly spaced wet walls and little or no mechanical exhaust. That means dropping in a Kohler cast-iron tub or a Purist valve body often requires opening the wall to add proper blocking, waterproofing, and venting before the fixture ever goes in. A contractor who doesn’t know this will quote you a trim swap and discover the rotted framing halfway through. Our crew prices the full job from the first walkthrough. We saw this exact scenario in a Baywood Eichler recently — and on a Foster City Kohler service job — where the homeowners had a failing Kohler cast-iron tub and a Rite-Temp valve that had been dripping into the framed floor for years. We sistered the joists, rebuilt the wet wall with cement board and a bonded waterproof membrane, and set a new Archer Comfort Height toilet with a fresh wax ring and a Purist shower trim on a new pressure-balancing valve. They ended up with a frameless glass walk-in shower and no more fog-season mustiness in the hall. That’s what San Mateo Kohler work actually looks like.
Kohler Models & Products We Service in San Mateo
We work on the Kohler lines San Mateo homeowners actually have and actually want. Memoirs and Memoirs Stately toilets and lavs, the Archer and Cimarron toilets, Purist and Artifacts shower trim on Rite-Temp pressure-balancing valves, and Riverby or Whitehaven kitchen sinks paired with Bellera or Simplice faucets. Parts policy is simple: genuine Kohler OEM cartridges, fill valves, flappers, and trim for anything visible or valve-critical. Quality aftermarket only for hidden supply lines and drain hardware. If a cast-iron tub or vitreous china fixture is structurally sound, we repair. If the enamel’s gone through to iron or the china is cracked, we tell you to replace it. No upselling, no patchwork.
See the difference
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AfterKohler Service Pricing in San Mateo
Kohler fixture work in San Mateo varies by job scope, and we’ve handled Kohler repair in Hillsborough too; here’s what we see across the Peninsula for the projects on this page:
| Project | Market Range |
|---|---|
| Bathroom Remodel | $9,000 – $28,000 |
| Tub-to-Shower Conversion | $3,500 – $10,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Shower Replacement | $3,000 – $8,500 |
| Bathroom Vanity Installation | $800 – $3,000 |
What drives the cost in San Mateo specifically is what’s behind the wall: shallow framing in Eichlers and ranches, older cast-iron drains, and whether the bathroom has proper exhaust. Our free estimate includes a written, line-item quote so you see exactly what’s fixture, what’s labor, and what’s substrate work. Call (866) 472-1908 to set one up.
Serving San Mateo, CA — Our Local Coverage Area
We’re based in the San Mateo 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 – Kohler Construction in San Mateo
In most cases, yes. The Memoirs two-piece bolts to a standard 12-inch rough-in, which most 1950s ranches in San Mateo have. The issue isn’t usually the toilet; it’s the cast-iron flange under it. If the flange is cracked from age or slab movement, we fix that first, then set the toilet with a fresh wax ring. Call (866) 472-1908 and we’ll check the rough-in before you buy the fixture.
Repair first, in nearly every case. The drip usually comes from a worn cartridge or pressure-balancing unit, both replaceable with genuine Kohler parts. Replacement is only the right call if the brass valve body itself is scored from years of mineral scale or frost damage inside the wall. We’ll open the trim and tell you straight, not sell you a full replacement you don’t need. Call (866) 472-1908 for a diagnosis.
Yes, the tub will survive – the subfloor under it matters more. Eichler slab baths means the tub sits on concrete, so leveling is critical. The bigger issue is what happens above the tub: no exhaust fan, fog-belt humidity, and water working into the surrounding drywall for decades. We address the ventilation and waterproofing while the tub is out, or the new cast-iron tub inherits the same moisture problems. Call (866) 472-1908 and we’ll walk the whole bathroom with you.
Yes, for anything visible or valve-critical: cartridges, trim, escutcheons, aerators, and pop-up assemblies. Hidden supply lines and drain hardware can be quality aftermarket, that’s a cost decision that doesn’t affect performance. But if it touches the Purist’s function or finish, it’s Kohler OEM. Call (866) 472-1908 and we’ll tell you exactly what the repair needs before we order anything.
For interior fixture upgrades, design review doesn’t usually apply – San Mateo’s planning scrutiny hits exterior changes: window openings, massing, second-story adds, anything visible from the street. But if your Kohler bath remodel involves moving a drain stack, adding a window for ventilation, or changing an exterior wall, that can trigger plan review. We pull permits at City Hall when required and coordinate the inspections, so you don’t sit on a finished bathroom waiting for sign-off. Call (866) 472-1908 and we’ll tell you early whether your scope needs paperwork.
Service Areas Near San Mateo
We cover San Mateo and the surrounding Peninsula cities, including San Bruno, Millbrae, Burlingame, South San Francisco, and Brisbane. If you’re in San Mateo service area ZIP codes 94401, 94402, 94404, or 94497, we’re already working in your neighborhood. For homes just over the border, see Kohler service in Highlands-Baywood Park and Kohler service in Noe Valley.
Book Your Kohler Service in San Mateo Today
Ready to stop chasing a Kohler repair and actually solve the problem? Call (866) 472-1908 for a free estimate. We’ll open the wall, tell you what we see, and give you a written line-item quote with real Kohler OEM parts and a real plan for your San Mateo home.
Written by Noel Carvalho, Owner at San Bruno Construction, serving San Mateo since day one.