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.

⚡ Average response: under 60 min

Need Shower Repair & Replacement?

  • No hidden costs
  • Same-day service
  • Fully licensed and insured
  • 6000+ completed jobs
Google Rating
5 .9★
Five-Star Reviews
1900 +

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

1

Call Us 24/7

Reach us anytime at
(408)539-6936.

2

Same-Day Dispatch

A licensed technician arrives at your home, often same day.

3

Diagnose & Fix

Upfront pricing before work begins. No hidden fees, ever.

4

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.

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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.

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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.

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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.

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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

Call Us Today

Available 24/7 • No trip charge • Free estimates

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

Why is my shower leaking through the ceiling below?

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.

What causes sudden "bursts" of hot or cold water during a shower?

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.

Can you replace a shower valve without breaking the tile?

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.

How do I know if my shower pan needs to be replaced?

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.

What is the difference between a thermostatic and a pressure-balanced valve?

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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Serving the Bay Area

Shower Repair & Replacement Available In

We proudly serve homeowners across the entire Bay Area

Don’t see your city? Call (408)539-6936 to check availability.

Our Service Area

Santa Clara County
San Mateo County

Ready to Get Started?

Average response time: under 60 minutes