Whole House Water Filtration

What’s in Your Water?

     EXCELLENT  
  601 reviews

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Whole House Water Filters in Dublin, CA

Whole home water treatment systems bring plenty of benefits to your homes’ plumbing & water quality. Cleaner, healthier water ensures safe drinking water & longer lasting plumbing & appliances, in addition to being much healthier & safer for the environment and your wallet alike. Improve your homes’ water quality & get the best in whole home water filtration system installation from the experts at CastleWorks. Our water quality plumbers will help you decide which type of water filtration system is best for your home, some of the most popular being:

Carbon Filter Water Filtration: Carbon filters can help treat water with bad taste or odors by using activated carbon as a water filter. Water flows through small pieces of carbon that absorb contaminants & can help in limiting the strong taste of chlorine, a chemical used in water treatment plants before it reaches your home.
Reverse Osmosis Water Filtration: Reverse osmosis water treatment is one of the more popular choices of water filters. Reverse osmosis can range from a simple purification process to a more complex, multi-step impurity removal process. In both cases, it is one of the most efficient water filtration systems in removing impurities leaving behind only oxygen & important minerals by forcing the water through a permeable film at the molecular level.
UV Filter Water Treatment: As with it’s name, these water treatment systems use UV light to treat your water, killing off various bacteria that may be in your water supply. Additionally, it’s a popular choice for the environmentally conscious as it does not require any chemicals or additional heat.

No matter your water quality needs, our water treatment & water filtration install plumbers will help you determine your needs before any work is done so you know exactly what water treatment solution is best for your home.

      
 Excellent4.9601 reviews
 4.9
 Excellent601 reviews
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      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: