Tri-Valley Water Heater & Plumbing Experts. Same Day Service.

Fixed Rate Pricing. 3 Hour Arrival Windows. 1,100+ Five Star Reviews.

Our expert plumbing team delivers expert residential repairs and installs with no hourly rates and no surprises. Every job includes a written quote and a courtesy call when we are on our way.

CA Contractor License #910529 (C-36 Plumbing)
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20+
Years in Business
3,400+
Building Permits
 
BBB A+ Rating - Barnett Plumbing

What We Do

Water heaters are our specialty, but we handle everything from a backed-up kitchen drain to a full whole-house repipe.

Every service comes with the same promise: fixed-rate pricing, a expert plumbing team, and work that passes inspection the first time.

The team at Barnett Plumbing standing in front of yellow trucks
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Reynold Medina profile picture
Reynold Medina
0 days ago
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Your tech Dustin, and Geo are just the best thanks to them.
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Steve Ketzler profile picture
Steve Ketzler
0 days ago
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Prompt, thorough and excellent service to provide heat pump water heater PM
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James “Jim K” Kelcourse profile picture
James “Jim K” Kelcourse
0 days ago
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Always professional, reasonably priced, courteous and they keep the work area clean.
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martha sihner profile picture
martha sihner
0 days ago
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Technician was very professional, polite and respectful. He explained everything. I felt comfortable with him in my home. Thank you.
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f garlick profile picture
f garlick
1 days ago
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Todd did an excellent job fixing a stubborn toilet tank valve.
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David Chen profile picture
David Chen
1 days ago
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Jose was very fast and efficient and was also able to find our main water line that we couldn’t find previously.
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Sarah Wetherell profile picture
Sarah Wetherell
1 days ago
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Francis was amazing! He was friendly and explained my options well. When he was done, he went over everything about my new water heater. I appreciate how thorough he was.
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Wais Hamid profile picture
Wais Hamid
1 days ago
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+0
Todd. Todd. Todd. Our hero - we had a dinner party planned for this evening and our disposal gave out. He was able to come to our house within 45 minutes and knock out the repair and replacement in another 40. He was professional, courteous, kind and so thorough. We recommend Todd anytime as he did an incredible job and we were able to get our dinner party going with no hiccups. Ask for him anytime you need help at Barnett’s as he is their best!
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Sara Dierking profile picture
Sara Dierking
1 days ago
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We had a great experience with Francis and Jose T. They were professional, reliable, and did a great job. He was easy to work with, communicated well, and made the whole process smooth. I would definitely recommend them to anyone looking for a trustworthy plumber!
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Christine Jason profile picture
Christine Jason
1 days ago
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Knowledgeable, Professional, Clean & Very Polite. Extremely happy with Barnett Plumbing’s work & great customer service.
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Water Heater Services

Plumbing Services

Water Heater Installation and Repair for East Bay Homes

Water heaters are what we are known for. Barnett Plumbing & Water Heaters installs, repairs, and maintains every type of residential water heater: traditional gas and electric tanks, tankless on-demand systems, and high-efficiency heat pump units. American Standard is our preferred brand for tank installations, and we service all major manufacturers.

Installation and Replacement

Whether you need a straightforward tank swap or an upgrade to a high-efficiency heat pump, our crews handle the full job: permits, removal of the old unit, installation, and code compliance inspection. Same-day and next-day appointments available for most installations. Water heater installation details.

Barnett Plumbing service truck and technician meeting with family outside residential home

Repair and Diagnostics

No hot water, strange noises, leaks at the base: our technicians diagnose the problem and give you a fixed- rate quote before starting any repair. We carry common parts on every truck for same-day fixes. Water heater repair details.

$99 Water Heater Flush

Our most popular maintenance service. We drain the tank, flush out mineral deposits, inspect the anode rod, and T&P valve, and check for early signs of corrosion. Recommended annually for all tank water heaters.

Need a Plumber in the Tri-Valley?

Residential Drain, Sewer, and Pipe Services

Beyond water heaters, Barnett Plumbing handles the full range of residential plumbing work across the Tri-Valley. Every job gets the same fixed-rate pricing, expert technicians, and clean-up-when-we-leave standard that our customers expect.

Repiping

Complete replacement of aging galvanized, polybutylene, or corroded copper supply lines. We also handle full drain repiping with ABS. Repiping details.

Sewer and Drain

Main-line drain clearing, HD sewer camera inspection, and full sewer lateral replacement using trenchless pipe bursting or traditional open-trench methods. Sewer line repair · Drain cleaning · Sewer camera inspection.

Kitchen and Bathroom​

Faucet repair, sink repair, garbage disposal replacement, toilet repair, shower and tub service, and fixture upgrades. The everyday plumbing work that keeps a home running. Kitchen plumbing · Bathroom plumbing · Toilet repair.

Specialty Services

Leak detection using electronic and acoustic methods. Gas line installation, testing, and leak repair. Whole-house water filtration, water softeners, and reverse osmosis systems.

Why Local Homeowners Trust Barnett Plumbing & Water Heaters

Barnett Plumbing & Water Heaters technician in black polo shirt with tool belt at residential home

Plumbing Service Areas Across Alameda and Contra Costa Counties

Barnett Plumbing & Water Heaters serves homeowners across the Tri-Valley from our two locations in Livermore and Pleasanton.

Our service area includes Pleasanton, Livermore, Dublin, San Ramon, Danville, Alamo, and Blackhawk.

With 12 trucks on the road daily, we offer same-day and next-day appointments for most services. Monday through Saturday, 7:00 AM to 5:00 PM.

Common Plumbing and Water Heater Questions

We serve the Tri-Valley and surrounding communities: Pleasanton, Livermore, Dublin, San Ramon, Danville, Alamo, and Blackhawk. Our two offices are in Livermore and Pleasanton.

Yes. We offer financing options for qualifying customers on any size job, from water heater installations to whole-house repiping and sewer line replacement. Ask your technician for details.

We use fixed-rate pricing on every job. Your technician will diagnose the issue, explain what needs to be done, and give you a written quote before any work begins. The price we quote is the price you pay.

American Standard is our preferred brand for tank water heaters. For tankless systems, we install Rinnai, Navien, Noritz, and Takagi. We service and repair all major brands.

We offer same-day and next-day appointments for most services. When you schedule, we give you a 3-hour arrival window and call before we arrive.

Ready to Schedule Service?​

Plumbing Services in Your Area

Livermore Office (HQ)

780 E. Airway Blvd, Livermore, CA 94551

Pleasanton Office (HQ)

4713 First Street, Suite 242, Pleasanton, CA 94566