4.9/5 — 2,000+ Five-Star Reviews
Shower Repair & Replacement
Bay Area's #1 Choice
From rebuilding failing mixing valves to full stall replacements, we address the root causes of low pressure and temperature fluctuations.
- 25+ Years
- Licensed & Insured
- 24/7 Emergency
- No hidden costs
- Same-day service
- Fully licensed and insured
- 6000+ completed jobs
4.9/5 Rating
2,000+ Reviews
Licensed & Insured
CA Licensed
Same-Day Service
24/7 Emergency
25+ Years
Bay Area Experts
6,000+
Jobs Completed
Simple Process
How It Works
Call Us 24/7
Reach us anytime at
(408)539-6936.
Same-Day Dispatch
A licensed technician arrives at your home, often same day.
Diagnose & Fix
Upfront pricing before work begins. No hidden fees, ever.
100% Satisfaction
We stand behind every job with our satisfaction guarantee.
Most shower repair calls come down to one of four things: a worn cartridge, a failing head, a stuck handle, or – when the cartridge alone doesn’t fix it – the valve itself. United HVAC, Plumbing & Electrical handles repair shower valve calls and full replacements across San Jose, Santa Clara, Cupertino, Milpitas, and Sunnyvale.
What Is Shower Repair and When Does Full Replacement Make More Sense?
Shower repair fixes one of four specific components – cartridge, head, handle, or valve – while the surrounding structure stays sound. Full shower replacement becomes the better call once the pan itself is cracked or water has been getting behind the tile long enough to compromise what’s underneath.
Common Shower Problems We Fix
Four repairs cover most shower problems, usually in this order:
- Cartridge – the first thing checked for a leak or inconsistent temperature, since Moen and Delta pressure-balancing cartridges, common in mid-century Bay Area construction, wear out from years of mineral buildup.
- Shower head – a separate issue from the cartridge, usually hard water scale restricting flow or corroding the internal parts.
- Handle – on older compression-style faucets, a worn rubber washer or stem causes a drip independent of the cartridge; on newer setups, the handle turns the cartridge directly.
- Valve – if a cartridge swap doesn’t resolve the leak or temperature issue, the valve body itself has usually failed, and that’s a larger repair than a cartridge alone.
Signs Your Shower Needs Professional Repair or Replacement
Water temperature that swings hot and cold without touching the handle points to a cartridge problem first – that’s the standard starting point before assuming the valve itself has failed. A shower repair near me search is worth running the moment a stain shows up on the ceiling below the bathroom, since that means water is getting past the pan or tile. Visible cracks in the pan or wall panels round out the clearest signs replacement is the better call.
Shower Repair & Replacement: How the Process Works
Every job starts with figuring out exactly which of the four components is failing before ordering parts. Real shower repair services mean that the first check decides whether it’s a same-visit cartridge swap or a bigger job involving the valve or tile.
Diagnosing the Problem: What the Technician Assesses First
A bathroom shower repair near me visit starts with testing the cartridge first, since it’s the most common point of failure and the cheapest to rule out. If swapping the cartridge doesn’t resolve the leak or temperature swing, the valve body gets tested next – that’s the escalation path in most cases. A separate check confirms whether a head or handle issue is independent of either one.
What Happens on Repair or Replacement Day
Cartridge, head, and handle repairs typically happen through the existing access panel or trim plate, with no tile touched. A shower valve replacement, when the cartridge swap didn’t solve it, usually reaches the same access point but involves more labor to remove and replace the valve body itself. A cracked pan or tile-over-pan leak is different – that requires removing a section of tile to reach and replace the pan.
Shower Repair & Replacement Cost in the Bay Area
A shower repair company visit typically runs $100 for a head replacement up to $7,000 for a full pan and surround replacement. Where a job falls depends on which of the four components is involved, or whether it escalates to full replacement.
Factors That Affect the Final Price
A shower head replacement runs $100 to $250. Handle repair runs $150 to $350. Cartridge repair runs $200 to $450. If the cartridge doesn’t resolve the issue, valve repair or replacement runs $450 to $900 – the most expensive of the four, and the reason technicians test the cartridge first rather than starting there. Shower replacement cost climbs fastest with full pan and surround jobs, $3,000 to $7,000 depending on size.
Repair vs. Full Replacement: Making the Right Call
A cartridge, head, or handle issue on an otherwise sound valve body is almost always a repair, not a reason to replace anything larger. Once the pan is cracked or water has tracked behind the tile, patching is a temporary fix at best – replacement is the only option that stops the leak for good.
Why Bay Area Homeowners Choose United HVAC, Plumbing & Electrical for Shower Repair & Replacement
A bathroom shower replacement or repair should come from a company that tests the cheapest fix first – not one that jumps straight to the most expensive component. Here’s what backs that up.
Licensed, Insured, and Local
United HVAC, Plumbing & Electrical holds California license #1061226 and carries bonded and insured coverage up to $2M. If opening tile or accessing a valve damages surrounding surfaces, that repair is covered – not added to the bill as a surprise.
25+ Years Repairing and Replacing Showers Across the Bay Area
Our founder brings 25+ years of hands-on plumbing experience, and the company has worked on showers across San Jose, Santa Clara, Cupertino, and Belmont since 2019 – from mid-century Moen and Delta valve setups to newer pressure-balanced systems. That range means a technician has usually seen the specific cartridge, handle, or valve failure before.
Same-Day Service With Upfront Flat-Rate Pricing
Most calls looking for shower replacement contractors get same-day dispatch, with a flat-rate quote before any work starts. Repairs carry a 1-year warranty; a full pan and surround replacement carries a 10 to 12 year warranty.
Shower leaking, running cold, or draining into the ceiling below? Call United HVAC, Plumbing & Electrical at (408) 539-6936 – same-day diagnosis and repair across the Bay Area.
100% Satisfaction Guarantee
If you're not completely satisfied with our work, we'll come back and make it right — free of charge. That's our promise to every customer.
Signs You Need Shower Repair & Replacement
- Fluctuating water temperature (thermal shock)
- Leaking showerheads or "behind-the-wall" drips
- Stiff or seized handles that won't adjust easily
- Low pressure that makes rinsing difficult
- Visible cracks in the shower base or wall panels
Why Choose United HVAC
- 25 years of experience
- Same-day service
- 1+ year warranty
- 6000+ completed jobs
- 0% interest financing and discounts
- Fully licensed and insured
- Well reviewed and highly trusted
- No hidden costs
- We work 365 days a year
Got Questions?
Frequently Asked Questions
Water is getting past the shower pan seal, a failed valve body, or working its way through the tile itself. Tracing which of the three it is decides whether the fix is a same-visit repair or a bigger job involving tile.
Nearly always a failing cartridge – that's the first thing tested, since mineral buildup from hard water is typically what's choking it until it can't hold a steady mix anymore. If a cartridge swap doesn't fix it, the valve body itself has usually failed, which is a bigger repair.
Usually. Most cartridges sit behind an access panel or just under the trim plate, so the tile stays untouched. Depends entirely on how the original valve went in, and that's the first thing confirmed during the assessment.
Cracks you can see, a floor that flexes or feels soft underfoot, a stain creeping across the ceiling below – those are the tells. Fiberglass ages badly under repeated temperature swings, and once it cracks, patching from the surface won't hold.
Thermostatic locks in an exact temperature no matter what else is pulling water pressure in the house. Pressure-balanced just keeps the hot-to-cold ratio steady without targeting a specific number. Thermostatic costs more going in, but the tighter control is why it shows up in higher-end jobs more often.
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Posted on Google Omied LeleTrustindex verifies that the original source of the review is Google. Pasha (technician) was very helpful. We had a clogged drain and were unable to clear it ourselves. He arrived and fixed the drain and was very clean and polite. Left everything as it was before he arrived. Highly recommend.Posted on Google Liang KatherineTrustindex verifies that the original source of the review is Google. Fantastic service! We really enjoyed working with United plumbingPosted on Google Natalia ShreveTrustindex verifies that the original source of the review is Google. Pasha was very professional he gave us a couple of options and finished the plumbing job very quicklyPosted on Google Just JaniceTrustindex verifies that the original source of the review is Google. As a busy homeowner I truly appreciate their ability to work around my schedule and needs. My garbage disposal recently died, and Neo was professional and offered my different options. He had the parts I needed and was able to complete the job quickly and cleanly.Posted on Google Chaozhong LianTrustindex verifies that the original source of the review is Google. I wholeheartedly recommend United HVAC, Plumbing & Electrical. I recently hired them to replace the original 1961 HVAC ductwork in my house, and they did a wonderful, extremely professional job. I am beyond satisfied with the results. You don't just have to take my word for it--I actually took pictures of their completed work, uploaded them to Google Gemini, and asked the AI to evaluate the installation. Even the AI praised their work, calling it a "top-tier, textbook installation"! (See the screenshots below). During the bidding process, I compared United with another company. United's quote was slightly higher, but choosing them was absolutely the best decision. Their program manager, Tim, was incredibly easy to work with. He quickly identified asbestos tape on my 1961 ducts and insisted we use a C-22 licensed abatement company to remove it safely and provide all the legal documentation for future reference. The other company offered a cheaper route by doing the removal themselves, but for something as dangerous as asbestos, doing it by the book is well worth the minor price difference. I also want to give a massive shoutout to Bair (Bayar) for his exceptional craftsmanship. He is easy-going, friendly, and really listened to all of my concerns. He provided great recommendations on how the new ductwork should be organized, and actually used a machine to fine-tune and balance the air pressure throughout the house. To top it all off, he even carefully reorganized the insulation in my attic after the work was done! It's this kind of attention to detail that makes them stand out. The pictures speak for themselves. If you want true professionals who care about safety, honesty, and quality craftsmanship, go with United HVAC.Posted on Google Chaozhong LianTrustindex verifies that the original source of the review is Google. I highly recommend United HVAC, Plumbing & Electrical! From start to finish, the entire process was incredibly smooth. They handled all the permits and inspections throughout the project, which gave us complete peace of mind. Every single technician we interacted with was friendly, approachable, and truly easy to work with. I specifically want to give a massive shoutout to Max (Aiusha) and Rinat for their wonderful work. Max is super professional and highly skilled. He installed my water heater and water softener with absolute "military precision." I'm the kind of guy who has a lot of weird, specific ideas about how pipes should be routed and extra gadgets I want installed to monitor the system, and Max handled all my requests with total ease. I am also super paranoid about plumbers plowing through studs or structural beams in my 1961 house, but Max was extremely careful and treated my home's structure with the utmost respect. Rinat is also a fantastic plumber. He installed a PRV, a Moen Flo auto-shutoff valve, an RO system, and even replaced some of the old sewage pipes in my house. He really listened to all of my requests and finished the job quickly and professionally. I highly recommend him! Because of their wonderful service, I’ve officially signed up for their company's membership. I am currently working with them to redo my HVAC ductwork, and I will definitely leave another review for that project once it's done. I'm sure they will do a wonderful job there, too!Posted on Google Ritesh BediaTrustindex verifies that the original source of the review is Google. Great service. Loved the professionalism and the way fixed my plumbing problem. I would call them again.Posted on Google Ginger PerngTrustindex verifies that the original source of the review is Google. We had to replace the wax ring on our toilet. Scheduling was easy; pricing was fair (much cheaper than the other quote we got!) Our technician, Melvin, was polite and expedient. This is our second time using United and highly recommend for gas and plumbing services.Posted on Google Joseph MartinTrustindex verifies that the original source of the review is Google. Melvin was great. Fast and efficient.
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Shower Repair & Replacement Available In
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