Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Kohler Construction in San Jose, CA | Seaside Contractors
We provide independent Kohler fixture and fitting service across San Jose, from cartridge swaps to full bathroom remodels that start with the rough-in and end with the trim. What sets our Kohler work here apart is that we already know the two things most contractors learn the hard way: San Jose’s hard valley water destroys thermostatic cartridges faster than the manufacturer’s average, and the city’s heritage-tree ordinance decides when half these bathrooms can even be roughed in. Glen Sorrento leads a team that has handled both problems on tight-lot ranchers from 95110 to 95113. Call (833) 589-8103 to schedule a free estimate.
Why San Jose Residents Choose Us for Kohler Service
We’ve specified, installed, and serviced Kohler fixtures and fittings across San Jose’s narrow-lot remodels and vertical additions long enough to know exactly which Kohler lines survive a tight, over-frame retrofit and which ones fight you. We are an independent contractor, not authorized, sponsored, or endorsed by Kohler, and we tell owners plainly when a Kohler failure is a service-parts fix versus a replace-the-valve-in-the-wall call. That distinction matters when you’re standing in a 1950s rancher with a Purist valve that won’t hold temperature and a Memoirs Stately one-piece weeping at the base. Glen grew up around construction on the Peninsula and spent two-plus decades working through nearly every project type the region throws at a contractor, including Kohler sales & service work in bathrooms that were never designed for modern valve bodies. We use genuine Kohler OEM service parts because Kohler’s proprietary valve bodies won’t reliably accept generic internals.
Let’s figure out what the job actually needs, then we’ll talk materials. That’s how we approach every Kohler service in Seven Trees and across San Jose.
Styles & brands we work with







Common Kohler Construction Problems We Solve in San Jose
Here’s what we see most often when we open up a San Jose bathroom:
- Scaled and seized thermostatic cartridges. Kohler Purist and Katalyst shower trim with thermostatic valves drift or lock up as San Jose’s hard water deposits mineral scale inside the cartridge. The valve’s temperature hold fails and you end up with cold-blast showers. We replace the thermostatic element with OEM parts.
- Weeping Kohler one-piece toilets. The Memoirs Stately and San Souci models develop fill-valve and flush-tower gasket failures after years of high-mineral water, often weeping silently at the base. The wax seal is fine. The internal gaskets are the problem.
- Chipped and crazed cast-iron enamel. Kohler Whitehaven and Undertone kitchen sinks and lavs chip and craze at the rim and drain flange after decades of hard water and scrubbing. This is common in the 1940s-1970s ranchers where the owner wants to carry the original sink into a new remodel. Sometimes repair works. Sometimes the enamel is too far gone.
- Dripping widespread faucets. Forté and Devonshire ceramic-disc cartridges stiffen and drip as scale builds in the disc. The fix is an OEM cartridge swap, not a new faucet body.
- Stressed supply stops and braided lines. Winter-to-summer pressure cycling across San Jose’s dry season stresses older supply stops and the braided lines feeding Kohler fixtures. We check these during any fixture service because a failed line under pressure is a water damage claim waiting to happen.
Kohler Service in San Jose: What Local Conditions Mean for Your Equipment
San Jose’s heritage-tree and tree-removal ordinance routinely stalls the backyard additions and lot-splits that would otherwise add a new Kohler bath. A mature oak or redwood in a 95111 or 95112 yard can require a city permit and arborist review before a footing or drain line can go in, so Kohler fixture and rough-in scheduling here often waits on tree clearance that neighboring cities never ask for. We’ve seen a one-piece Memoirs Stately sitting in a garage for weeks while an arborist report cleared the path for a new waste line. That’s not a scheduling problem on our end. That’s the city’s process. If you’re planning a Kohler repair in Communications Hill or anywhere near a mature tree, start the arborist conversation early, because it will control the construction calendar more than material lead times ever will.
On a 95112 rancher where the owner was converting a hall bath off a tight lot, our crew pulled a Kohler Memoirs Stately one-piece that had been weeping at the base for years and opened the wall to find a seized Purist thermostatic cartridge scaled from hard valley water. We swapped in the OEM thermostatic element and cartridge, reset the toilet on a new seal with a fresh Kohler fill valve, and framed and drained a curbless walk-in shower feeding a Kohler shower valve, all before the April dry-season window closed on the exterior tie-in.
Kohler Models & Products We Service in San Jose
We work on the full range of Kohler fixtures found in San Jose homes: Memoirs and Memoirs Stately toilets and lavatory suites, Purist and Katalyst shower trim with thermostatic valves, Undertone and Whitehaven cast-iron kitchen sinks, and Forté and Devonshire widespread lav faucets. Our parts approach is simple: genuine Kohler OEM cartridges, flush towers, fill valves, and thermostatic elements for all valve work, because Kohler valve bodies don’t accept generic internals dependably. For trim hardware and glass, quality aftermarket options can work fine and often cut cost without cutting performance. We stock the most common San Jose failure parts locally so a cartridge swap doesn’t wait on a distributor order. When a Kohler valve or cast-iron sink is sound but the cartridge or trim is worn, we repair. When the enamel or valve body itself is compromised in a wall we’re already opening for a remodel, we recommend replacing the fixture rather than chasing a failing part.
See the difference
Before
After
Before
After
Before
AfterKohler Service Pricing in San Jose
Kohler service and remodel pricing in San Jose depends on scope: a cartridge swap on a Purist valve is a different job than a tub-to-shower conversion with a new Kohler thermostatic valve, and a full bathroom remodel layers in framing, waterproofing, tile, and fixtures. Here are the ranges we work within:
| Kohler Service / Remodel Scope | San Jose Price Range |
|---|---|
| Walk-In Shower Installation | $5,310 – $14,160 |
| Tub-to-Shower Conversion | $4,130 – $11,800 |
| Bathroom Remodel | $10,620 – $33,040 |
| Bathroom Vanity Installation | $945 – $3,540 |
| Shower Replacement | $3,540 – $10,030 |
The free estimate includes a fixture-by-fixture assessment: what’s failing, what’s salvageable, and what the wall will tell us once it’s open. No change orders for surprises we should have caught in the walkthrough. Call (833) 589-8103 for an exact quote.
Serving San Jose, CA — Our Local Coverage Area
We’re a San Jose General Contractor based here 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 Jose
We can assess the enamel condition and tell you whether the sink is worth carrying into the new kitchen. Cast-iron sinks like the Whitehaven and Undertone hold up in San Jose’s hard water until the enamel crazes at the rim or drain flange, and repair versus replace comes down to how deep the damage goes. Call (833) 589-8103 for a free assessment during your kitchen walkthrough.
In most San Jose homes we service, it’s the thermostatic cartridge, not the valve body. Hard valley water scales the element and the valve starts drifting. We swap in an OEM thermostatic element and the valve holds temperature again. If the valve body itself is compromised, that’s a replace call, but it’s the less common outcome. Call (833) 589-8103 to schedule a diagnostic.
Yes, and it’s one of the first things we check on any San Jose remodel that touches a drain line, footing, or foundation. A protected oak or redwood near the work can require a city permit and arborist review before we can dig, which can push rough-in scheduling by weeks. We plan around it, but the city’s timeline is the city’s timeline. Call (833) 589-8103 and we’ll check your lot against the ordinance as part of the estimate.
Most San Jose homeowners on narrow 1940s-1970s lots find a walk-in shower gains usable floor space and aging-in-place access without changing the home’s footprint. A tub-to-shower conversion fits the footprint you already have, feeds a Kohler thermostatic valve, and lets us waterproof with Schluter behind the wall. Call (833) 589-8103 for a free conversion estimate.
No. We are an independent Kohler service in Buena Vista provider that uses genuine Kohler OEM service parts, but we are not authorized, sponsored, or endorsed by Kohler. We think that independence is a benefit: we tell you plainly when a fixture is worth repairing and when you should replace it, without anyone’s parts quota shaping the answer.
Service Areas Near San Jose
We serve San Jose service area including the 95110, 95111, 95112, and 95113 ZIPs. For work just outside the city, our crews also cover Kohler service in Alum Rock and Kohler service in Cupertino, plus Watsonville, Interlaken, and Las Lomas where the job takes us.
Book Your Kohler Service in San Jose Today
If you’ve got a Kohler valve that won’t hold temperature, a one-piece weeping at the base, or a bathroom remodel stalled by tree permitting, call (833) 589-8103 and we’ll get you on the schedule for a free estimate.
Written by Glen Sorrento, Owner at Seaside Contractors, serving San Jose since day one.