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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon2.8k+
    Verified affordable plumbing services reviews

Top-Rated Affordable plumbers in Cupertino - Updated Nov 2026

Avatar for Water Heaters Masters
Water Heaters Masters
4.9(
112
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+5 more

Serving Cupertino, CA and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"They were great.  The job got done quickly and the installation was very high quality.  The work area was clean afterward and they took away my old heater at no extra charge.  They even installed a new wood base for the water heater to sit on because the old one had water damage from the old leaky heater.  
The only issue I had was that I had no way to double-check their price for the job.  Given the leaky heater, it had to be taken care of same day, so I didn't get multiple bids.  The price seemed a little high, but I have no reason to think I didn't get a good value.  They installed a Bradford White unit, which I understand to be a good one.
"
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+20

Response time9 hrs
Recommended by94%of homeowners
Avatar for Mike Counsil Plumbing and Rooter
Mike Counsil Plumbing and Rooter
4.0(
331
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessDrain Line Breakage - Camera Locate+22 more

Serving Cupertino, CA and surrounding areas

Approved (Corporate)

In business since 1994

Emergency services offered

Warranties offered

"We've been working with Mike Counsil for over 8 years - clogged drains, water heater, new toilets, and most recently a sewer re-pipe. Yes, they may be more expensive than other companies, but with Mike Counsil you get what you pay for - quality work. A big shout out to Rudy and the whole team - they are hardworking, reliable and courteous."
Preparing a safe environment for working on a sewer line replacement.
Water heater installation with expansion tank
Additional Photos
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+28

Response time8 hrs
Response rate100%
Recommended by81%of homeowners
Avatar for Core Plumbing Solutions, Inc.
Core Plumbing Solutions, Inc.
4.7(
35
)
Faucets, Fixtures and Pipes - Repair or ReplaceDrain Clog or Blockage - ClearSewer Main - Clear+1 more

Serving Cupertino, CA and surrounding areas

Approved

In business since 2023

Emergency services offered

Warranties offered

"Jose was here the next day. We had a massive leaking faucet in our bathtub, about 5 gallons every two hours. The replacement faucet was not available anywhere and had to be ordered. Jose capped the old faucet lines to stop the leak. The replacement work was done in a timely and very professional manner. This company and especially Jose went above and beyond want we wanted done. If you ever need a plumber I highly recommend them"
Faucet install
Waterline install
Floor prep
Drain line repair
Vanity sink installation

+36

Response time5 hrs
Response rate100%
57 neighbors recently requested a quote
Avatar for Wilmar Edwin Bautista
Wilmar Edwin Bautista
4.9(
159
)
Drain Clog or Blockage - ClearFaucets, Fixtures and Pipes - Repair or ReplaceWater Heater - Install or Replace+4 more

Serving Cupertino, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2018

Emergency services offered

Warranties offered

"I got tired of waiting for a response from another plumber I've worked with to install a toilet. I called Wilmar today at 11am. He was very friendly and said he'd have someone here by 1pm. They showed up early and were done in about an hour, including toilet removal, new toilet installation, and all clean up. Talk about pleasant surprises! They even checked another faucet for me and refused to let me pay extra for their time to take a look at it. They were super polite, wore booties and masks inside, and explained everything they did. Almost forgot to mention that the price was very reasonable. They're my new go-to guys. Highly recommend."
Response time3 hrs
Response rate92%
4 neighbors recently requested a quote
Avatar for Chandler's Plumbing
Chandler's Plumbing
4.3(
746
)
Water Heater - Install or ReplaceDrain Clog or Blockage - ClearWater Main - Install, Replace or Repair+16 more

Serving Cupertino, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2001

Free estimates

Emergency services offered

"Job Quoted and performed expertly, on time, and within quoted price. Well trained technicians/plumbers. Clean, experienced, and completed the job sooner than I expected. Reinspected all work done with tech/plumbers. Completely satisfied. Well done, Chandler's plumbing!!"
Sewer Line Camera Inspection
Shut-Off Valve Repair
Main Water Line Replacment
Water Heater Installation
Tankless Water Heater Installation

+310

Response time4 hrs
264 neighbors recently requested a quote
Recommended by86%of homeowners
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Affordable Plumbers FAQs, answered by experts

You should schedule plumbing work if your Cupertino home was built before 1985 and still has original galvanized steel or cast iron pipes. A sudden, unexplained increase in your water bill also signals a hidden leak requiring immediate attention. Additionally, you must secure an unstrapped water heater to meet current CA seismic safety codes and prevent serious hazards during an earthquake.

Helpful?

You must make several key decisions for plumbing in Cupertino. First, determine whether to manage the permit process yourself or authorize a licensed contractor. You also need to select water-efficient fixtures that meet CA standards. Finally, decide if you want to install a pressure-reducing valve for high water pressure or add an automatic seismic gas shutoff valve to protect your home during earthquakes.

Helpful?

Build your Cupertino plumbing inspection routine around the wet and dry seasons. In the fall, clear debris from your sewer cleanout and test the main shutoff valve. During winter storms, check crawlspaces for moisture and monitor drains for backups. When spring arrives, schedule a camera inspection for your sewer lateral. In the summer, inspect outdoor faucets for leaks to comply with local drought restrictions.

Helpful?

Differentiating plumbing issues from other repairs in CA requires careful observation. Interior water stains appearing only during winter storms indicate roof leaks, while year-round stains point to plumbing failures. Wet spots in your yard during the dry summer months reveal irrigation or sewer line leaks. If you notice foundation cracks alongside high water bills, hire a local professional to check for a slab leak.

Helpful?

You absolutely should combine plumbing with other home upgrades. Consolidating your projects under a single local permit application eliminates redundant inspections. If you open walls for electrical panel upgrades or insulation, handle your pipe replacements at the same time to avoid repeating demolition work. You also benefit from combining seismic retrofitting with drain line replacements since both require access to your CA home's crawlspace.

Helpful?

The Cupertino, CA homeowners’ guide to affordable plumbing services

From average costs to expert advice, get all the answers you need to get your job done.