Complete Water Systems LLC

Licensed water treatment contractor in Phoenix, Arizona

Arizona ROC licence active5.0(691 reviews)

Complete Water Systems LLC holds Arizona ROC licence 330440, active, licensed since 31 Aug 2020, rated 5.0 from 691 Google reviews. Bonded for $6,750 with RLI Insurance Company. No complaints on the Arizona ROC record.

79score

Report card

  • Licence activeArizona ROC #330440, Specialty Dual CR-54 Water Conditioning Equipment. Issued 31 Aug 2020, renewal due 31 Aug 2028.
  • Licensed 6 yrsSince 31 Aug 2020.
  • Bonded$6,750 with RLI Insurance Company, since 14 Aug 2020. Arizona sets the amount by licence type and expected yearly work, so a bigger bond means a bigger business, not a better one. Homeowners can also claim up to $30,000 from the ROC Recovery Fund.
  • No complaintsNone on the Arizona ROC record.Arizona ROC record

Checked against the Arizona Registrar of Contractors (ROC) register on 4 Nov 2026.

Google reviews

5.0(691 reviews)
John Cox★★★★★ 2 weeks agoView on Google

I called Complete Water Systems after researching who can provide service to my RO system and water softener. Spoke with the owner on the phone, very knowledgeable. The tech called on the morning of the service to confirm the time and scope of work. He arrived early/ on time and had all necessary tools for the job. Very knowledgeable and professional. He did excellent work and answered my questions. Use them if you…

Shane Olafson★★★★★ 4 months agoView on Google

I had a great experience with this company. My old tankless water heater blew up (literally) and I got several quotes to install a replacement. CWS wasn't necessarily the cheapest, but they were the most sensible and trustworthy. Some places gave an estimate without even seeing the work, and others wanted me to pay to even get an estimate. But CWS sent someone over the same day I called -- for free -- to view the…

Ronald O'Quin★★★★★ a week agoView on Google

We chose complete water system after several bids. They provided excellent service from our intial contact to installation. Their water softener product, when carefully reviewed, was equal or better to most competitors and at a significantly lower price. Installation went very smoothly and technician was very professional, on time and did a great job. Would highly recommend.

Allison Jan★★★★★ 4 weeks agoView on Google

We had our water softener and RO drinking water system installed today, and we couldn't be happier with the service! The technicians were punctual, super friendly, and extremely professional throughout the entire process. Everything was installed neatly, and they took the time to explain the operation and maintenance clearly before leaving. Outstanding customer service—highly recommend them to anyone looking for wate…

Ty Silva★★★★★ 5 months agoView on Google

I recently had the opportunity to have this company come and look at some of our water systems and I was extremely pleased from the beginning to the end. There was great customer service from the first call through appointment making and confirmation and when Brian came to the house he was kind on time and knowledgeable. There was a lot of trust built through his integrity and recommendations. If you're looking for a…

Read all 691 reviews on Google Reviews and photos from Google, 4 Nov 2026.

Why it ranks #18 of 20 water treatment contractors in Phoenix

Years licensed weight 3031%
Complaint record weight 25100%
Bond weight 10100%
Google reviews weight 3599%

Score 79 / 100. Claiming this listing or using Theo never changes it. How we rank

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