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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Toilet installation, repair, and replacement for all makes and models.
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Julia GarciaTrustindex verifies that the original source of the review is Google.
Called to have my sump pump reassemble and secured . Thank you Beck for a job well done.☺️Posted on Google![]()
Jasko HuseinovicTrustindex verifies that the original source of the review is Google.
Manuel was great, experienced at his job Got everything fixed in timely manner, well behaved professional and very respectful I’d recommend him any dayPosted on Google![]()
Shailesh PhansalkarTrustindex verifies that the original source of the review is Google.
Anton did an amazing job. Needed to replace the old shower valve.Posted on Google![]()
Col Liz PerezTrustindex verifies that the original source of the review is Google.
I had an impossible tub spout repair. Other plumber said to break through my custom bath tile and kitchen cabinetry to replace the fitting. Ren B. from United researched the fitting and within three minutes removed it—no tile or cabinet cutting required. To top things off, Ren was so courteous and kind. I highly, highly recommend Ren and United for their honesty, fast work, and professionalism. 5+ stars!Posted on Google![]()
Sj BrownmanTrustindex verifies that the original source of the review is Google.
I had a great experience with Cris! He came out to replace the cartridge in my shower and did an excellent job. He was professional, knowledgeable, friendly, and explained everything clearly throughout the process. The replacement was done quickly and efficiently, and my shower is working perfectly now. I really appreciate his attention to detail and great customer service. I would definitely recommend Cris to anyone looking for a reliable and trustworthy plumber!Posted on Google![]()
Maria xoTrustindex verifies that the original source of the review is Google.
I had a great experience with Cristopher Villa. He came out to diagnose an error code on my tankless water heater and was able to identify the issue. During his inspection, he also noticed that the unit was leaking and brought the problem to my attention. Cristopher provided me with three different options to address the issue and explained each one clearly. He also made sure the recommended setup included all the necessary add-ons and safety components to ensure the installation would be up to code. Very professional and knowledgeable service.Posted on Google![]()
Leonel MendozaTrustindex verifies that the original source of the review is Google.
I had a great experience with Cristopher Villa. He did an excellent job redoing the plumbing underneath my kitchen sink and making sure everything was properly connected and working as it should. He also snaked the kitchen drain line to address a recurring blockage. Cristopher was professional, knowledgeable, and took the time to make sure the issue was completely resolved. After the work was finished, the kitchen sink was draining properly again with no issues. I would definitely recommend Cristopher Villa to anyone looking for reliable and professional plumbing service.Posted on Google![]()
Adam CataldoTrustindex verifies that the original source of the review is Google.
I like the service. They charged me a flat rate, which was nice because it ended up taking longer more the plumbing work than I expectedPosted on Google![]()
Lisa LloydTrustindex verifies that the original source of the review is Google.
Pasha was prompt, focused and organized. Very professional- he knew exactly how to install our new water drop filter system. We are very happy with his work!Posted on Google![]()
Xinxin YangTrustindex verifies that the original source of the review is Google.
Very professional and friendly. Solved my AV issue quickly! THANK YOU!
Serving the Bay Area
Shower Repair & Replacement Available In
We proudly serve homeowners across the entire Bay Area
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