The Best Water Systems San Diego and the desert Has to Offer!

As an Authorized, Independent AllStar Dealer, Allstar Water Systems is the experienced leader in water systems in San Diego and the Coachella Valley and surrounding areas with a BBB A+ rating.


Reverse Osmosis Systems

The ultimate
water experience.

Water Filtration

Our water filtration options solve water problems without creating new ones.

Water Softeners

Hard water problems are
no match for our water softeners.

Drinking Water Coolers

Bottleless water coolers 
for the office.

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What’s in Your Water?

Professional water testing can diagnose the issues you may find with your city water or well water. With a proper diagnosis we can come up with a solution. 

Common water problems can be eliminated with the right water purification unit.

The Best Drinking Water San Diego the Desert Area Has to Offer!

Our team of water treatment specialists are dedicated to getting you the best tasting water at the most affordable price for residential and commercial markets.

I just wanted to let you both know what a great experience I had with Brandy and Darren on my recent AllStar RO installation. We always are quick to gripe, and I kept waiting to see what would go wrong… Nothing did! Two professionals! Thank you!


Sean Hayes

Real customers

About Us

Our interesting story

Allstar Water Systems is San Diego’s leading water treatment company. We provide the highest quality drinking water San Diego has to offer. From water treatment and drinking water services and products to water cooler systems, water filtration, conditioning and softening solutions, we have all you need to make your drinking water the best it can be.