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    De Anza Water Conditioning

    4.8 (439 reviews)
    Closed 8:00 am - 4:00 pm

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    Response time

    3 hours

    Response rate

    100%

    Services - De Anza Water Conditioning

    Water purification system cleaning and maintenance

    De Anza Water Conditioning Photos

    Recommended Reviews - De Anza Water Conditioning

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    Reviews With Photos

    Final Set Up, compact
    Dan T.

    This is the first time I've purchased something like this through text messaging. I contacted De Anza Water Conditioning because I wanted a salt-based water softener (not a water conditioner) for my new townhome. The property is built on slab with an electric water heater. Kim was my online salesperson who reviewed photos of the area and confirmed the footprint needed, plus where the regeneration water was to drain. De Anza was running a special on the Kinetico S650 water softener which brought it close to what their competitors had for purchase and installation. The difference here is Kinetico systems don't require an electrical hook-up, you only need a water supply and a drain. Fast forward one week and Benjamin Rodriguez came over to perform the installation. Excellent work and even provided a hose bib if I needed to wash my car with soft water. Benjamin explained that the resin tanks won't need servicing for 10 years and only the pre-filter needs changing every 3-4 years which can be done by the owner (they provide a special wrench.) If you are thinking of a soft water system for your home, give De Anza a call, they are a small business and provide great service with quality low maintenance systems like Kinetico.

    A200 Drinking Water System
    Jacob L.

    Benjamin did an outstanding job installing the Q850 system for us. Beyond the installation itself, he went above and beyond by helping resolve additional water leakage and air-gap overflow issues. There was some internal miscommunication noted in his work order stating that the ice line was not included in the scope, which was unexpected since I had written confirmation from the salesperson that it would be included. This came as a surprise to Benjamin and had the potential to delay his next project. Despite this, he remained professional and patient, completed the ice line installation for the A200 filtering system, and thoroughly addressed all of my questions about the systems. I'm very satisfied with the service provided. I look forward to following up later with feedback on our experience using the softened water and filtered drinking water.

    New filter for out water softner
    Rosalie R.

    Mario Contreras was very knowledgeable what my service. He noticed the filter needed change. He let me know they will be additional cost for replacing the filters. He kept the area cleaned after he finished the work. He provided insight that all is good. Filters were needed to keep the water clean from build up minerals from hard water. Thank you, to your technician Mario and your team for servicing our house water system. Yours truly, Rosalie

    New softener

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    6 months ago

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    15 days ago

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    15 days ago

    Benjamin was great! super thoorough and transparent with everything he was working on.

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    6 months ago

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    15 days ago

    Great, friendly and thorough service. Very professional. Will definitely use again.

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    8 months ago

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    9 days ago

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    2 months ago

    Jose was professional and thorough. He was on time, performed the work very cleanly. I recommend his services.

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    2 months ago

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    14 days ago

    Great service, clean install, personable tech. Our old softener was past it's lifetime, so now we have soft water again. Thank you!

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    5 months ago

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    7 months ago

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    3 months ago

    Excellent service check for my water conditioning system. He explained what he was needed and washed the filter!

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    5 months ago

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    1 year ago

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    1 month ago

    Very timely showed up exactly on time and explained everything he was doing and answered all my questions. So far so good!

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    2 months ago

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    Page 1 of 11

    De Anza Water Conditioning Reviews in Other Languages

    Ask the Community - De Anza Water Conditioning

    Is there a [portable] soft water system for apartments?

    Hi Rick, we do not offer portable soft water systems. If you have any further questions or if there's anything else we can assist you with, please feel free to contact us at 408-371-5521 or customer@deanzawater.com. While we may not have a solution… Read more

    I have had the softener for 7 years now. Sometimes the water "feels" soft and soap and shampoo are amazing and the other times it's like we have completely different water being pumped into the house.. salt tank is full no bridging. What do I do?

    Water hardness has changed in many areas due to the amount of rain we received this year. It can also vary during different times of the year. When hardness raises, the system will not be able to keep up on giving you soft water 24/7 efficiently. We… Read more

    Don’t See Your Question? Ask Away!

    Review Highlights - De Anza Water Conditioning

    Dylan and his team helped us install our water conditioning system today, and the experience was excellent.

    Mentioned in 94 reviews

    Read more highlights

    Randazzo's Water Conditioning

    Randazzo's Water Conditioning

    4.8
    (93 reviews)

    ***AVIOD*** Worked with Jared on a simple leaking elbow. There was a miscommunication about what…read morewas going to be done. Ended up being charged over $350 per hour for labor. I found multiple cheaper local options I should have went with... I asked to be charged a fair price and was refused. Even after your "explanation" the fact is; even with drive time, you charged over $350 an hour for labor. This rate is absolutely absurd. Like the other negative reviews, WAY inflated charge for the job... This is not underwater welding! Just trying to save people money in the future. For the record, as you brought up, I'm not even the one paying for this. The owner is an 82 year old lady your taking advantage of... absolutely despicable Jared.

    We recently moved into a new home that came with a Randazzo's water softener system. As I began…read moreresearching options for a drinking water solution, I reached out to several water quality providers for quotes. Almost every company I spoke with tried to upsell me--not only on a new under-sink reverse osmosis system, but also on replacing the existing water softener. They all insisted it wasn't working and needed to be replaced. As a last resort, I contacted Jared from Randazzo's (now part of Almaden Valley Plumbing). He immediately offered to hop on a FaceTime call, took a virtual look at our setup, and diagnosed the issue on the spot. It turned out all we needed was to refill the salt in the tank--a $10 fix. Other companies had quoted me thousands for unnecessary replacements. Impressed by Jared's honesty and responsiveness, I asked him about the drinking water systems his company offers. Not only were the prices very reasonable, but there was zero pressure to buy--something I really appreciated. That alone convinced me to move forward with them. From system selection to installation, everything went smoothly. I highly recommend Randazzo's / Almaden Valley Plumbing for any water solution needs. They're honest, dependable, and easy to reach--even after hours via text or call.

    City Water Filter and Hyperbaric

    City Water Filter and Hyperbaric

    4.5
    (434 reviews)

    I has a great experience with City Water Filter & Hyperbaric and I wanted to recognize the amazing…read moreteam there. Clay runs a fantastic business and clearly cares about his customers and quality of service provided. From the moment I talked to him , everything was professional , organized and welcoming. Javier and Jesse did an excellent work , they were knowledgeable , friendly and took the time to explain everything clearly . You can tell they take pride in what they do and make sure the job is done right . Jennifer was also wonderful , helpful , polite and made the scheduling and communication smooth and easy. Overall the entire team made this a very positive experience , I highly recommend City Water Filter & Hyperbaric to anyone looking for reliable service and a team that truly cares about their customers.

    Very disappointed with the communication and overall service from this company. I was told one…read morething, while my tenant was given different information, which created unnecessary confusion. After the technician completed the filter service, my water filtration system was not working properly. I contacted the owner expecting them to stand behind their work and help troubleshoot the issue. Instead, without performing an official inspection of the system, I was quickly told that the resin likely needed to be replaced and was quoted approximately $500 for another service visit. My system is only about 5-6 years old, so I was concerned that such an expensive repair was being recommended without properly diagnosing the problem first. We later discovered on our own that the actual issue was that the filtration system settings had not been set correctly after the technicians changed the filters. Once the settings were corrected, the system worked. My biggest concern is the lack of communication and proper troubleshooting. Before recommending a customer spend another $500, especially immediately after your technicians serviced the system, I would expect the company to first verify that the work was completed correctly and that the system settings were properly configured. Unfortunately, based on my experience, I would not recommend this company.

    De Anza Water Conditioning - waterpurification - Updated July 2026

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