







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Why San Jose Homeowners Choose Delta Construction
Delta faucets, shower valves, and bath fixtures are among the most common we service in San Jose homes, and most of the time the repair is simpler than the homeowner assumes. We’re an independent Delta service provider, not a factory-authorized shop, which means we’re free to tell you the plain truth: when a Delta cartridge is worth replacing and when the whole fixture has earned retirement. If you’ve got a leaking Delta Leland kitchen faucet in Willow Glen or a stiff-handle Delta shower valve in Naglee Park, call (669) 274-2362 and we’ll give you a written price before any work starts.
We’ve installed and repaired Delta kitchen and bath fixtures in hundreds of South Bay homes, giving us hands-on knowledge of the brand’s valve geometry, rough-in dimensions, and trim compatibility that comes only from daily field work. That matters in a city where so much of the housing stock was built between the 1950s and 1970s. Many of those original Delta valves are still in the wall, and homeowners keep them because they like the look or don’t want to open the tile. We know what’s inside those valves, what fails first, and what a repair should cost.
Why Trust Penhallow Remodeling San Jose for Your Delta Construction?

Trevor Nash runs our San Jose operation, and he’s spent the better part of two decades running remodeling and construction projects across the South Bay as a General Contractor, including a stretch of kitchen and bath gut-jobs in Willow Glen he still considers some of his cleanest finish work. When a homeowner shows him a dripping Delta faucet or a shower valve that won’t hold temperature, he doesn’t start with the most expensive fix. He starts with the real problem and gives you the real number. That’s how we’ve always worked under the Kingswell standard: written price up front, a defined arrival window, and a 365-Day Done Right Promise in writing on every project.
For Delta work specifically, that promise means something concrete. If we replace a Delta cartridge and it leaks again inside the guarantee period, we come back and fix it at no charge. No service call fee, no re-inspection fee, no conversation about whose fault it is. We also keep Delta OEM cartridges, seals, and trim kits on the truck for the lines that show up most often in San Jose: Leland, Trinsic, Cassidy, and Ara. That means fewer two-trip jobs and a faster answer when you’re standing at a faucet that won’t stop dripping.
Styles & brands we work with







Common Delta Construction Problems We Fix in San Jose
- Delta Leland kitchen faucets with a loose, spinning handle: The Leland uses a ball-and-socket handle design that wears at the pivot over years of daily use. When the handle spins past the hot stop or droops, the fix is usually a replacement handle hub and set screw, not a whole new faucet. This is one of the most common service calls we take in San Jose’s east side tract homes, where kitchens see heavy use and hard water accelerates wear.
- Delta Trinsic and Cassidy DIAMOND Seal cartridge failures from hard-water mineral buildup: San Jose’s water carries dissolved minerals that settle inside the DIAMOND Seal valve, and over time the ceramic discs lose their smooth travel. You’ll notice a stiff handle, a drip that won’t fully stop, or water temperature that shifts mid-use. We replace the cartridge with a genuine Delta part, not a generic copy, because the aftermarket versions change the handle feel and can void your faucet’s limited lifetime warranty.
- Delta Touch2O solenoid wiring shorts under the sink: When the hands-free feature on a Touch2O faucet stops working right after a sink leak or a garbage disposal replacement, the cause is usually water intrusion in the battery pack or solenoid wiring, not the faucet body itself. We test the solenoid circuit and replace the battery pack wiring harness when needed, which restores touch function without replacing the whole faucet and often saves hundreds of dollars.
- Delta MultiChoice shower valve cartridges (RP46074) with temperature drift: Older Delta MultiChoice rough-ins, the ones installed in a lot of 1960s and 1970s San Jose ranchers, use the RP46074 cartridge. After years of cycling between hot and cold, the pressure-balance spool wears and the valve starts letting the shower temperature drift when someone flushes a toilet or runs the washing machine. Replacing the cartridge restores the anti-scald balance. We keep RP46074 cartridges stocked locally for same-visit repairs.
- Delta tub spout diverter gaskets leaking behind the wall: If you see water trickling down the face of the tub spout or staining the tile below, the rubber gasket inside the diverter has torn, usually from mineral crust or simple age. Water that bypasses the gasket doesn’t just drip on the floor; it can run back behind the tile and into the wall cavity. We replace the diverter and gasket as a set, which is a small job compared with opening a wall that got wet for months.
One more failure we see often enough to mention: the trim plate gasket on Delta tub spouts. San Jose’s dry climate doesn’t seem like it would cause gasket problems, but our hard water leaves mineral scale on the gasket surface, and after enough years the seal hardens and cracks. The first sign is usually a faint water line running down from behind the trim plate. We reseat the trim with fresh gaskets, and the wall stays dry.
Delta Parts & Our Repair-vs-Replace Approach

We use authentic Delta OEM cartridges, seals, and trim kits for all internal valve work because aftermarket copies often change the handle feel and void the faucet’s limited lifetime warranty. If the work is internal, the part is genuine Delta, no exceptions. For surround materials like tile, shower pans, and glass, we recommend quality non-Delta products that outperform and outlast the original builder-grade components. What Delta makes well is valves and trim. What they don’t make is your shower substrate, and that’s where the real longevity of a bath remodel gets decided.
When a Delta fixture is old enough that a repair costs more than half the price of a new one, we’ll tell you straight. A 1970s MultiChoice valve that needs a new cartridge, trim plate, and handle might be better served by a new Delta Ara rough-in valve, especially if the tile is already coming off the wall. If the fixture is sound and the part is available, we repair. If you’re already planning a remodel, we’ll shape the scope around the fixture you actually want to keep. Call (669) 274-2362 and we’ll talk through the options, no pressure either way.
Our Delta Service Process – Step by Step
- 1
Diagnosis: We start with the symptom, not the part. For a Delta Touch2O that won’t respond, we test the solenoid control circuit and battery pack before touching the valve body. For a drip, we identify which cartridge platform you have, because a Leland cartridge and a Trinsic cartridge are not the same, even when both say DIAMOND Seal on the box.
- 2
Repair or install: We quote the work before we start, and the number is written. For cartridge swaps, the work usually takes under an hour. For a full Delta Ara or Cassidy install during a bathroom remodel, we coordinate the rough-in, trim, and finish work so the valve sits at the right depth behind the finished wall, not 3/8 inch too proud or too deep, which is what causes trim plates to sit crooked and gaskets to fail early.
- 3
Test: For shower valves, we run the pressure-balance test that checks temperature stability when a nearby fixture opens and closes. For tub spouts, we run water through the diverter and check for any seepage behind the trim. For Touch2O, we cycle the solenoid ten times hands-free and ten times at the handle.
- 4
Warranty: Every Delta repair carries our 365-Day Done Right Promise in writing. If the same part fails inside the year, the return visit is free. No service call, no re-inspection fee.
See the difference
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AfterDelta Products We Service & Install in San Jose
We work on the full range of Delta kitchen and bath fixtures, but the lines we see and stock parts for most often are the Leland, Trinsic, Cassidy, and Ara families. That covers Leland kitchen pull-downs and bar faucets, Trinsic widespread and single-handle bath faucets, Cassidy two-handle lavatory sets, and Ara shower trim in chrome, stainless, and matte black. We also service older Delta Monitor and MultiChoice shower valves, which are still common in San Jose homes that haven’t been remodeled since the 1980s. For installs, we source Delta fixtures directly through our supply partners and pass them through at the same price we pay, no markup games. If you’re remodeling a bathroom and want Delta fixtures included, we’ll put the model numbers on the written scope before we start.
We Also Service These Brands
Delta in Santa Clara is a big part of our service work in San Jose, but it’s not the only brand we know well. We install and service KraftMaid and Wellborn cabinetry, Cambria, Silestone, and Caesarstone countertops, and Kohler and Moen fixtures. That multi-brand experience matters when a remodel mixes a Delta shower valve with a Kohler sink and a Cambria vanity top, which happens more often than you’d think.
FAQs – Delta Construction Service in San Jose

No. We are an independent Delta service provider, not a factory-authorized shop, and we say that plainly. What we offer is hands-on field experience with Delta valves, cartridges, and trim kits in real San Jose homes, plus a written price and a written warranty on every repair. If you need warranty service through Delta directly, we’ll help you understand what the limited lifetime warranty covers and how to file a claim.
Yes, for all internal valve work. We use authentic Delta OEM cartridges, seals, and trim kits because aftermarket copies often change the handle feel and void the faucet’s limited lifetime warranty. For surround materials like tile or shower pans, we recommend quality non-Delta products that outperform and outlast the original builder-grade components.
Most cartridge replacements and diverter repairs take under an hour once we’re on site. If we have the right part on the truck, and we usually do for Leland, Trinsic, Cassidy, and Ara models, the job is done in one visit. Full bathroom remodels with Delta fixtures run longer, typically two to six weeks depending on scope. Call (669) 274-2362 and we’ll give you a real timeline for your project.
We service and install Delta in Mountain View including Leland, Trinsic, Cassidy, and Ara, plus older Monitor and MultiChoice shower valves. If your Delta fixture isn’t in that list, call anyway. Delta’s cartridge platforms share a lot of architecture across lines, and we can usually identify what you have and what it needs just from the symptom and a photo.
Using non-Delta parts in the valve body can void the faucet’s limited lifetime warranty, which is exactly why we use genuine OEM cartridges and seals for internal work. The fact that we’re not a Delta-authorized shop doesn’t affect warranty coverage as long as the parts are Delta. We’ll note the cartridges and seals we install right on your invoice, so you have a written record if a warranty claim ever comes up.
How much does Delta construction cost in San Jose?
| Service | Price Range |
|---|---|
| Delta faucet cartridge replacement (parts and labor) | $300 – $650 |
| Small Bathroom Remodel with Delta fixtures | $5,900 – $14,160 |
| Bathroom Vanity Installation with Delta faucet | $945 – $3,540 |
| Frameless Glass Shower Enclosure with Delta shower trim | $2,500 – $6,500 |
The spread depends on the model, the number of fixtures, and whether the tile gets opened. A cartridge swap on a Delta Leland will sit at the bottom of that range. A full shower surround with new Delta Ara trim and frameless glass runs toward the top. Call (669) 274-2362 for an exact quote, estimates are free and the number you get is the number on the invoice.
In most cases, yes. The cause is usually water intrusion in the solenoid battery pack or wiring harness, not the faucet body itself. We test the solenoid circuit, replace the damaged harness if needed, and cycle the touch function to confirm it holds. If the solenoid itself is dead, that’s a replaceable Delta part, not a reason to throw out a $600 faucet.
If the valve body is sound and the cartridge platform is still current, we replace just the cartridge. The Delta MultiChoice valve body in most San Jose homes accepts the RP46074 cartridge, and replacing it restores pressure balance and temperature control without opening the wall. If the valve body itself is corroded, cracked, or too old for modern trim, we’ll tell you straight and price a new rough-in valve.
Either way works. We can source Delta fixtures through our supply partners and include them in the written scope, or you can purchase them yourself and hand them to us for install. If we source them, the model numbers go on the written price before any work starts, so there’s no surprise on the invoice.
Yes. The Leland’s handle hub and set screw wear over years of daily use, and the fix is a replacement handle hub, not a new faucet. We’ve done this repair dozens of times in San Jose kitchens, and it usually takes less than an hour, including the test.
That’s a torn diverter gasket, usually from mineral crust or simple age. The gasket sits inside the tub spout and seals the diverter against the pipe, and when it fails, water bypasses the seal and runs back behind the trim. Left alone, it can get into the wall cavity and rot the substrate. We replace the diverter and gasket as a set, which is a small job compared with opening a wall that got wet for months. Call (669) 274-2362 and we’ll get you on the schedule.
Book Your Delta Service in San Jose, CA
If your Delta fixture is dripping, stiff, or just not working the way it used to, call (669) 274-2362 and talk to a real person. We’ll ask what it’s doing, give you a written price before any work starts, and stand behind the repair for 365 days. Give me the real problem and I’ll give you the real number.
Written by Trevor Nash, Owner at Penhallow Remodeling San Jose, serving San Jose since the Kingswell standard was established in 2004.


