The Best
Water Heater Services
In The East Bay Area
 
The CastleWorks Difference
Honest & Reliable

We are committed to providing the best water heater services in the area. Don’t just take our word for it, check out our Google Reviews!

Same-Day Service

No hot water? No Problem. Count on CastleWorks same-day service – we’re there for you when you need it most. 

Superior Quality

CastleWorks partners with the best manufacturers to provide high quality, energy efficient water heaters that are made to last.

No Hot Water? No Problem. Call the Water Heater Professionals at CastleWorks Today!

Water Heater Plumbers in Dublin

Providing Hot Water Heater Repairs Across the East Bay

If you’ve run out of hot water, don’t panic. The team at CastleWorks Water Heaters has over 3 decades of experience providing water heater services like installation, repairs, and maintenance for homeowners in Dublin, CA. Our plumbing company shows up quickly to diagnose your problems and provide fast turnaround times so that you can get back into your routine without too much delay. Our Dublin water heater repair experts are familiar with the various types of models including tankless, electric, gas, or heat pump.

Why CastleWorks is becoming one of the most popular water heater companies in the East Bay:

  • Our seasoned team members have 7-10 years of experience. 
  • We are open for water heater repair 7 days a week. 
  • We can install a brand new unit in just 3 hours. 
  • We offer 4 different install packages to suit your specific needs. 
  • Certified installers of Noritz Tankless Systems and HALO Water Filters.

Our water heater repair team understands that you may have many questions about your system if it’s not working properly. We will walk you through the benefits of installing a new unit if your tank is leaking, but you can trust us not to oversell you on equipment that you don’t truly need.

Water Heater Repair Services in Dublin, CA

Some problems with water heaters are easy fixes. But others are more of an investment to repair. Shortly after arriving, we will put together a clear diagnosis of your problem with a free estimate breaking down the costs so you know exactly what’s wrong and what it will cost.

Our Dublin water heater repair technicians are familiar with all kinds of problems including:

  • Leaks from faulty valves, gaskets, or tank 
  • Temperature problems from faulty heating elements 
  • Tank corrosion and rusty water 
  • Sediment buildup inside the tank 
  • Pilot light and thermocouple problems 
  • Pressure relief valve malfunctions  
  • Strange noises
  • Issues with tankless units

If you’re facing any of these problems, you can be confident that our Dublin water heater repair specialists have a solution.

ExcellentGoogle star 1Google star 2Google star 3Google star 4Google star 54.9646 reviews
4.9Google star 1Google star 2Google star 3Google star 4Google star 5
Excellent646 reviews
Posted on Google Google
Tom Thomas profile picture
Tom Thomas
2 November 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Came out same day to inspect then replace my 8 yr old water heater. Knowledgeable technician Chris got to work after showing us the options.
Posted on Google Google
Thomas Lobo profile picture
Thomas Lobo
1 November 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
My tech was Anthony. Great attitude, super nice guy, very knowledgeable & helpful. His work was impeccable & fast service. Was a lowkey pricey but it was a Sunday & now we can take a hot shower! Wish the cost! Thanks Anthony
Posted on Google Google
Paul Jarand profile picture
Paul Jarand
1 November 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Chris Doherty is an expert service person, I highly recommend him for service..😊
Posted on Google Google
Eddie Raymond profile picture
Eddie Raymond
30 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Nam showed up and did the work needed, professionally and quickly. Not cheap but good.
Posted on Google Google
Donatella Rossignoli profile picture
Donatella Rossignoli
30 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Louis was punctual, friendly,professional, he explained the different options, got the job done quickly and efficiently, I am very happy with the experience.
Posted on Google Google
Clark Riley profile picture
Clark Riley
26 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Outstanding worker. He helped move items so he could work. He treated me with respect, called me sir or Mr Riley. Answered all my concerns. Very good
Posted on Google Google
Reginald Padilla profile picture
Reginald Padilla
26 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Miguel Arroyo is the Best service Castleworks employee! Very knowledgeable, respectful and quality of his services is Exceptional!!!
Posted on Google Google
Nicholas Privitelli profile picture
Nicholas Privitelli
25 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Justin KHALIFEHZADEH and his apprentice Nick did an amazing job. Justin guided me through the process with ease and was patient with me when I struggled to understand. They were efficient and quick, reasonably priced for the amazing service.
Posted on Google Google
Yo Griz profile picture
Yo Griz
23 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
I was contacted by Castleworks for a cleaning of my tankless water heater.I have had a host of services performed by a variety of companies. I feel Chris from Castleworks was one of the best! He explained every step and did such a fantastic job. Thank you Chris for great service!!
Posted on Google Google
Fred Caudillo profile picture
Fred Caudillo
22 October 2026
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
The replacement of my 18 yr old gas water heater by Nam, technician was quick, efficient, Compliant with regulations and clean.

Guidance on New Systems & Water Heater Replacements

If your water heater is 10 years old, it may be getting close to the end of its lifespan. The best way to find out the status of your unit is to have an expert take a look. A well-maintained unit may exceed 10 years. If you are wondering if it’s almost time to replace, our team can walk you through factors to consider for a new water heater; and, we can advise you on whether upgrading to tankless, electric, or heat pump water heaters would be good options for your home.

Some of the types of water heater systems our plumbers install include:

  • Gas Tank Heater
  • Electric Tank Heater
  • Tankless Heater
  • Heat Pump / Hybrid

We also install water purifier systems for homeowners who want to experience the benefits of whole house water filtration. We also offer hot water heater financing to ensure your purchase makes sense for your budget.

Fixing Water Heaters for Communities Across The East Bay

Our team of plumbers is proud to offer our water heater repair services to cities and neighborhoods across the region. Some of the cities that we service in the East Bay area include the following:

  • Dublin
  • Hayward 
  • Livermore
  • Pleasanton 
  • San Ramon 
  • Castro Valley
  • Union City
  • San Leandro  

The water heater repair plumbers at CastleWorks are known locally for their speed, knowledge, and friendliness. When you need assistance, our goal is not to sell you services but give you options regarding basic functionalities and cost. You choose your price point and what comfort and safety features will serve your needs best. No matter what package you choose, be it our Basic package or our Premium package, you will receive water heating equipment that offers some of the very best dependability, longevity, and efficiency on the market.

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No Hot Water? No Problem. Call the Water Heater Professionals at CastleWorks Today!

We Offer Financing For Any Budget

Comfort, Efficiency & Savings. You can have it all!

Contact Us Today!

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The CastleWorks story began in 1995 and grew from the collaboration of many dedicated local professionals committed to service. Our family of businesses includes:

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