About Us

No Hot Water? No Problem.

     EXCELLENT  
  601 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.

      
 Excellent4.9601 reviews
 4.9
 Excellent601 reviews
  Write a review 
 
 
 
   
 
 
      Posted on Google  
   
   Theodore Hazlett 
 10 September 2026
 
 
 Trustindex verifies that the original source of the review is Google. The installation was efficient and the tech was friendly and informative. I would recommend CastleWorks to anyone with water heater issues.
  
 
     Posted on Google  
   
   Ed Abramson 
 10 September 2026
 
 
 Trustindex verifies that the original source of the review is Google. Salvador was wonderful.  He introduced himself at the door and was very courteous while he was here. He did his inspection and gave us a fair quote. He had the necessary parts and was able to complete the repairs.
  
 
     Posted on Google  
   
   Andrew Willrodt 
 9 September 2026
 
 
 Trustindex verifies that the original source of the review is Google. After 1 appointment cancellation at request of firm, Justin arrived on the next scheduled visit.   His service was thorough and well explained. He also decided to not bill extra on an existing condition and he chose not to pursue.   Overall very happy with the service and confident in the work performed.
  
 
     Posted on Google  
   
   Daniel Arellano 
 7 September 2026
 
 
 Trustindex verifies that the original source of the review is Google. Communicative, transparent, quick. Needed a new water heater and our service was smooth sailings. Miguel Angel took the time to explain everything, the options were clear, and no hidden fees or surprise costs.
  
 
     Posted on Google  
   
   Laura Bushwack 
 6 September 2026
 
 
 Trustindex verifies that the original source of the review is Google. Installation was done in a timely and professional manner.
  
 
     Posted on Google  
   
   shadi khodavandloo 
 6 September 2026
 
 
 Trustindex verifies that the original source of the review is Google. The work Justin did was great and efficient but the water heater was overpriced.
  
 
     Posted on Google  
   
   Wendall Brock 
 5 September 2026
 
 
 Trustindex verifies that the original source of the review is Google. Eric was very thorough and he is in excellent employee thank you very much he knows his job well
  
 
     Posted on Google  
   
   Joseph Casella 
 2 September 2026
 
 
 Trustindex verifies that the original source of the review is Google. Nam was great. He worked hard to get everything right. He was very thorough and also very easy to work with.
  
 
     Posted on Google  
   
   Tracy Purcell 
 1 September 2026
 
 
 Trustindex verifies that the original source of the review is Google. Super friendly, fast and efficient service. Had visit on the same day I called. Would highly recommend.
  
 
     Posted on Google  
   
   April Farris 
 1 September 2026
 
 
 Trustindex verifies that the original source of the review is Google. Luis came out and was very professional.  The appointment was scheduled in a very timely manner and the problem was taken care of in the same day with a new installation of a new water heater due to the old one wearing out and leaking.

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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: