1. Custom Water Systems

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    Custom Water Systems

    4.9 (56 reviews)
    Open • 6:00 am - 4:30 pm

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    Services - Custom Water Systems

    Water purification system cleaning and maintenance

    Custom Water Systems Photos

    Recommended Reviews - Custom Water Systems

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    Water softener and water conditioner (they have more specialized names that I can't remember)
    Cary C.

    Although they are very busy and you may need to schedule out about 2 weeks+ before they can help install a system for you, it's worth the wait. I had our water softener system installed along with the water conditioner and a reverse osmosis drinking water system that has remineralization(important). The three brothers did an amazing job. A dominant competitor in SGV will use Puronics system which after some research, I would highly discourage. CWS uses Pentair/Fleck which are amongst top tier. Their pricing was actually lower then what the dominant competitor used for a higher quality system and work done!

    Water softener and conditioner system installed in our garage
    M L.

    We had our water softener and conditioner system installed by Phil and his team. Phil was very responsive, professional, and knowledgeable. He took his time to explain how the system works and answered all of our questions. He did not try to upswell us on anything and was very honest, which I appreciated. The team wore masks during COVID-19, and were very safe and professional. After having our system for 3 weeks now, I can see a complete difference in our water quality- from the drinking water filtered through our fridge, to our clothes, skin, and hair. I am loving it! I would recommend CWS, Phil and his team to everyone who asks!

    Water Softener/Conditioner
    C K.

    Phil and Mike installed a water softener/conditioner at my house this past weekend. They took their time to make sure everything was installed accurately, up to code, and cleaned up. Phil answered all of my questions with no hesitation and came back to ensure everything was in working order. Phil was extremely competitive and gave you the best price/performance deal that you can find. Phil and Mike are high caliber individuals, and I would recommend them over and over. The wife and I already notice a massive difference in our water. I wish we found Phil and Mike sooner.

    Clean, secure, and easy on the eyes.
    Sun-Ho P.

    Phil is THE MAN! I wish more businesses/vendors could be like these guys! As a first-time homeowner i knew i wanted a water softener for my newly renovated home but was frustrated and lost in my search for an installer - especially since I needed one installed on the exterior of my home. I called plumbers, handymen, and "Big Softener" companies like Culligan. But they were all so expensive (marked up) or untrustworthy in their practices. I was at the end of my rope until i found CWS on Yelp. Enter Phil: friendly, informative, no BS, straight-to-the-point, and TRANSPARENT. From the get-go he was extremely upfront about the equipment, prices, and what to expect on the low to high end - and never tried to unnecessarily upsell me. One good byproduct of my endless search before CWS was that I gained a lot of knowledge about equipment and the "softener biz" and it was clear that Phil's quotes were extremely fair and reasonable. I was pleasantly surprised by the fact that his prices were not much more than just buying the equipment on my own (except with CWS I get a professional installation). Installation day was smooth as softened water - Phil's crew was friendly, quick, organized, and always communicative. One last thing: these guys are young and knowledgeable. I mention that because they are not like the "salty" old boomers who see uninformed customers as easy targets. The CWS guys have a "disrupter" vibe (like in the tech industry) who will hopefully take Big Softener down! Forget Culligan, Lifesource, etc. who all try to "hook" you with constant maintenance calls. CWS is who you're looking for if you want savvy, easy to talk to, fair prices, and high quality!

    Henry N.

    I had both water softner and water filtration system installed by Phil about 2 months ago. I waited until now to make sure everything is in working order before I write up. I was really impressed with his workmanship and professionalism. He took time to complete the job, clean up after done. One time I saw too much water in brine tank. I texted him and within 30min he showed at my door to check it out. It turned out there was nothing wrong. I highly recommend him if you ever want to put a new system in your house.

    New faucet that matches perfectly to our sink.
    Eric O.

    Phil and Mike were very helpful. The install was done very professionally and we are happy to use our new alkaline water system. Great family owned business and we would highly recommend them if living in the area.

    Water softener and conditioner
    Kevin T.

    Phil and team did a great job at setting up our whole house water system along with purified alkaline drinking water. Very knowledgeable staff and very time efficient with their work. Phil will take the time if needed to help you understand what it is that you're getting so don't be shy to ask question as it is an investment for yourself.

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    Phil K.

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    Phil K.

    Thank You For your Review!

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    Phil K.

    Thank you! for your business And awesome Review.

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    Page 1 of 2

    Ask the Community - Custom Water Systems

    How much do you charge to install a whole house water softener?

    Hello. for installation it really depends on the Whole Plumbing situation, for example it could be $500-$3000

    How much do you charge to install reverse osmosis under my sink?

    Hello, system and installation normally runs $550

    View All 4 Questions

    Review Highlights - Custom Water Systems

    “Phil and his brother did an excellent job on installing a whole home water softener and RO system in our house.”

    Mentioned in 47 reviews

    Read more highlights

    West Coast Water Filtration - West Coast Water Filtration is an Authorized Puronics Distributor.

    West Coast Water Filtration

    (874 reviews)

    Our experience was great! Amanda came to quote the project and was very helpful in explaining the…read moreinstallation process and equipment involved. Scheduling was fast and easy! Martin, our installer, arrived on time and did a wonderful job with the installation. I appreciated how he coordinated water shutoff and testing easily with us and was quick and efficient with his installation. All the plumbing was done cleanly and professionally and he took the time to explain maintenance and operating information for the softener system. Water quality is noticeably improved and we are very happy with the result!

    This is already the third time I've used West Coast Water Filtration to install a water softener,…read moreand once again they did an outstanding job. Chuck has always been friendly and professional. He personally visited my home before the installation to test the water quality and review the plumbing layout with me to make sure everything would be installed the way I wanted. Martin G and Robert did an excellent job with the installation. They installed the water softener neatly in my garage, and I especially appreciated that they took the time to install a separate unfiltered water line to my backyard exactly as I requested. The workmanship was clean, professional, and exceeded my expectations. I highly recommend West Coast Water Filtration to anyone looking for a reliable and professional water softener installation.

    Pro Water Solutions

    Pro Water Solutions

    (117 reviews)

    So after 5 years with Culligan, we switched to Pro Water's state of the art system to clean up the…read morewater coming into our home. We also got the reverse osmoses system under the kitchen sink to further clean the water. This was such an easy and smooth process. We put in the order with Brad, scheduled an appointment for installation and our installer was Maurice. These guys know what they are doing and they made it very easy for us. The set the expectations and we didn't have to do anything. It took us about a couple hours where we couldn't use the water but then all we had to do is flush out the air from the new system. It's the third day now and everything is working great. WHY WE CHANGED: Just got tired of increasing monthly rates and having to open the garage for the techs to switch out the tanks. Also the Pro Water system does filter out more than the water softener we had.

    I have had our system for about a year and had our first filter change and system check earlier…read morethis week. Eric, our technician was great. Very friendly and explained everything he was doing. Love the system and everyone we have interacted with from the company has been great! I should add that when the system was originally installed Brad and I had a discussion about my vegetable garden and what would be the best solution so as not to get too much salt into that water as it would affect and potentially burn them. The installer was able to route our hose line so that it would continue to use unsoftened water and not affect my veggie garden. We are SO appreciative of this as we love eating our home grown tomatoes!!!

    LifeSource Water Systems

    LifeSource Water Systems

    (980 reviews)

    West Central

    I had my LifeSource water system for over 12 years (I now live in a condo so couldn't bring with me…read moresadly) and absolutely loved it - the no filter changes, truly set-it-and-forget-it convenience was amazing! My parents recently purchased the Elite ScaleSolver PowerPac and absolutely love it. They've noticed significantly less buildup on their fixtures and appliances, and the water tastes amazing from every tap. My mom especially loves not having to go downstairs in the middle of the night if she forgets her water...she can simply drink straight from the tap! Best in class, and I love the peace of mind that it's NSF/IAPMO certified from top to bottom. Highly recommend!

    We live in Oxnard and have very very hard water. Before installing Lifesource, I had to wrap bags…read morewith vinegar and water in them around the and parts frequently to remove scale. I also had to take apart the faucets and get the gunk off the screens. I would say I had to do every couple of months now after years of Lifesource once a year and it's not nearly as bad as it ever was before. Service calls are wonderful people show up on time know what they're doing fix what they're there to fix and are incredibly friendly. The infrequent need to change the canisters is a real plus. While, you do have to plan for those expenses, they are long lasting. over time it was less that our collective monthly expenses, especially if the maintenance by hand that was required was considered. When we were evaluating the system. It sounded expensive until I did the math on what we were paying for soft water which my husband dislikes the feel of. The difference is immediately recognizable in showers for hair and skin is something far better than I was .expecting. The water coming out of the tap is great! We do have a reverse osmosis for ice. The grey water every two weeks is used for the lawn and outside plants, so no waste and no big delivery trucks on the street on a regular basis. Jonathan our rep is always available and we are very happy with Lifesource!

    MCS Water Technology

    MCS Water Technology

    (115 reviews)

    The service is good and fast. The person changing the filter is also very professional.read more

    Great experience hiring MCS for a new water softener installation…read more I live in Yorba Linda and had been given the name of a company that was an authorized installer of Puronics systems in the area. That company came out, didn't provide any literature and verbally explained what they offered and quoted some ridiculously high prices. Then I was driving home one day and saw a service truck for MCS in my neighborhood that had graphics on it that said they installed Puronics systems. I spoke to that technician and he came over to look at my existing worn out system. He had literature explaining all their offerings and quoted prices that were much lower than the other authorized installer had offered. He gave me the quote on a Friday and three days later on Monday, they finished the installation in about 3 hours. The completed installation looked very professional. In setting up and testing the system, the installer (Jun) fine tuned the settings for the hardness of the incoming city water, the number of people in the household, the system regeneration timing (# of days), etc. while continuing to check the outgoing Puronics water for the correct softness (with a chemical test) after each adjustment. He then explained to me the functions and operation of the control panel. In summary, I'm very satisfied with MCS Water Technology for their pricing, installation and quality of technicians. My lesson learned is to check if there are other authorized installers in neighboring areas for an item you're shopping for. In my case, I found a gem of a company in MCS that was just a few miles away in Rowland Heights.

    Fina Water Systems & DLC Construction

    Fina Water Systems & DLC Construction

    (198 reviews)

    I reached out to Fina Water Systems & DLC Construction recently for help installing a water…read moresoftening + carbon filter system, reverse osmosis system, and Moen automatic water shut off. Carlos was quick to respond and provided a fair quote after sending him appropriate photos and videos of my home. Scheduling was quick and easy. On the day of the install, Trevor was the superstar and performed the installation for all the systems. Jimmy also stopped by to quickly add an electrical outlet for the water softening system. Trevor was kind, worked efficiently, and was very good at confirming exact details with how we wanted our systems installed (e.g., where we wanted the softening system to drain, the exact location for the reverse osmosis faucet). His work on the pipes was also very clean, and he did a great job educating me on how to use the systems and proper maintenance. They also threw in a free first bag of salt. Overall, had a fantastic experience and will be recommending them to our friends and family. We also plan to reach out again in the future for a new water heater.

    What a nice bunch of folks!…read more They came out when expected, worked efficiently, and were affordable. They installed our system in a very tiny area in our laundry room and worked the piping around in quite a masterful way to make the filters sit exactly where we needed them and not take up too much space. Now, it's almost 2 years later, and we have had zero problems. They also gave us the wise advice to use a potassium softener instead of sodium to preserve the yard, and our yard looks great. We are very happy with them and will definitely continue to use them!

    Supreme Water Filtration - Dual tank dual Clack WS1 valve whole house filtration system

    Supreme Water Filtration

    (83 reviews)

    I started looking into water softener companies after some of our appliances were getting damaged…read moreneeding replacing and our youngest having ezcema but kept getting worse. I've reached out to several companies but none of them was as straight forward and reasonably priced as these guys! I spoke with Raymond first then Joseph after when I was ready to proceed. They explained everything easily and to the point. We had our water softener and RO water filtration (under sink) installed last Thursday and what a difference these it has made! I love how soft the water feels and you honestly can feel the difference when washing your hands and showering. I wish we got one sooner. Btw, I had some questions afterwards and they answered everything patiently and friendly! I hope this company continues to grow and expand because their service and quality is great and I hope this review helps more people make their decision with going with these guys for their water softener and drinking system needs!

    Great experience with Supreme Water. Raymond and Joseph were…read morevery responsive and helpful throughout the process and answered all my questions clearly. Rene and his installation team arrived on time and completed the install efficiently and professionally. The quality of their system stood out compared to other options I considered, and the pricing was very reasonable. Everything went smoothly from start to finish. I'd highly recommend Supreme Water to anyone looking to install a salt-free water treatment system.

    Custom Water Systems - waterpurification - Updated October 2026

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