About Us

No Hot Water? No Problem.

     EXCELLENT  
  654 reviews

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

(925) 655-9202

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Professional Water Heater Service for Dublin Homes & Businesses

How CastleWorks Started

CastleWorks was formed by a group of family-run service companies whose founders—including the Roux, Moore, Tassio, Parker, and Guiney families—shared a commitment to reliable home comfort solutions. Their collective experience in plumbing, water heaters, HVAC, and water filtration shaped a company known for quality work and strong technician training programs.

Why Dublin Trusts CastleWorks

For decades, CastleWorks in Dublin has been the go-to source for quick, dependable water heater installation and replacement. We take pride in delivering solutions backed by integrity and workmanship, helping our neighbors enjoy consistent hot water and lasting peace of mind.

      
 Excellent4.9654 reviews
 4.9
 Excellent654 reviews
  Write a review 
 
 
 
   
 
 
      Posted on Google  
   
   Patricia Stockton 
 7 November 2026
 
 
 Trustindex verifies that the original source of the review is Google. Christopher was a very knowledgeable technician. He explained everything he did and why he was doing it. He was also very nice and friendly. I would recommend him to anyone.
  
 
     Posted on Google  
   
   Richard Hartnett 
 6 November 2026
 
 
 Trustindex verifies that the original source of the review is Google. Miguel did a great job! Very pleasant to talk to and very efficient. Also very knowledgeable about water heaters and installation.
  
 
     Posted on Google  
   
   jeff carey 
 6 November 2026
 
 
 Trustindex verifies that the original source of the review is Google. Jacob was our service technician. He was very professional and resolved the problem we had with our hot water heater.
  
 
     Posted on Google  
   
   Jessie Lopez 
 6 November 2026
 
 
 Trustindex verifies that the original source of the review is Google. Very friendly and knowledgeable
  
 
     Posted on Google  
   
   Tina Ackerman 
 6 November 2026
 
 
 Trustindex verifies that the original source of the review is Google. Very knowledgeable! Did a great job
  
 
     Posted on Google  
   
   Kevin Lawrence 
 6 November 2026
 
 
 Trustindex verifies that the original source of the review is Google. Fantastic. Customer focused and knowledgeable. Clean and thorough.
  
 
     Posted on Google  
   
   Robert Gunn 
 4 November 2026
 
 
 Trustindex verifies that the original source of the review is Google. Very professional! Told me what he was going to do. Answered all my questions! GREAT WORK!
  
 
     Posted on Google  
   
   Tom Thomas 
 2 November 2026
 
 
 Trustindex 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  
   
   Thomas Lobo 
 1 November 2026
 
 
 Trustindex 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  
   
   Eddie Raymond 
 30 October 2026
 
 
 Trustindex 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.

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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: