
Serving Oceanside, CA and surrounding areas
Approved
Super Service Award Winner
In business since 1977
Free estimates
Emergency services offered
"Extremely professional, great job and service. I highly recommend them to install water softeners."





+60

*The Angi rating for Water Softener Service companies in Oceanside, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Water Softener Service needs.
*The HomeAdvisor rating for Water Softener Service companies in Oceanside, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Water Softener Service needs.
Last update on February 27, 2026

Serving Oceanside, CA and surrounding areas
Approved
Super Service Award Winner
In business since 1977
Free estimates
Emergency services offered
"Extremely professional, great job and service. I highly recommend them to install water softeners."





+60

Serving Oceanside, CA and surrounding areas
Approved
In business since 1993
Free estimates
Credit card accepted
"Scott gave a thorough explanation of water softening systems."





+1

Serving Oceanside, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2013
Free estimates
Emergency services offered
"California Plumber is the best! The office staff was so helpful in coordinating my water softener installation. The technician was punctual and did a fantastic job. I couldn’t be happier with the service!"





+3

Serving Oceanside, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2025
Free estimates
Emergency services offered
"⭐⭐⭐⭐⭐ Water Heater SOS was a lifesaver! When our water heater broke down, they responded quickly, diagnosed the issue, and had it fixed the same day. The technician was professional, knowledgeable, and took the time to explain everything clearly. Pricing was fair, and the service was top-notch. I highly recommend Water Heater SOS for anyone needing fast, reliable water heater repairs!"





Serving Oceanside, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Free estimates
Emergency services offered
"I had an excellent experience with Pro Bright Construction. They responded to my initial inquiry very quickly and were able to schedule the installation of a whole-home water flow restrictor on the main water intake that same day. The two professionals who completed the work were friendly, knowledgeable, and courteous. Although this was a significant installation, they finished the job in just a couple of hours and left the work area spotless. I was quoted a price by a large plumbing company that was nearly twice the amount I paid, so I also appreciate Pro Bright's very fair pricing. I'm left truly happy for their prompt response, professionalism, quality workmanship, and value. I will definitely contact Pro Bright Construction for any future plumbing needs and highly recommend them."

Serving Oceanside, CA and surrounding areas
Approved
In business since 2000
Free estimates
Emergency services offered
"Your guys CJ & Andrew were awesome! They did such a nice clean looking job! Super professional and very informative. They walked me through setting up the app for the whole house water shut off valve they installed and now I get a reduced rate on my homeowners insurance. They also found that my water pressure reducing valve had failed and replaced that at the same time. Couldn’t be more happy with the job they did."





+12

Serving Oceanside, CA and surrounding areas
Approved
In business since 2006
Free estimates
Emergency services offered
"Both the main and secondary condensate drains were clogged and the service technician cleared them. He also cleaned filters and verified proper operation of all equipment. We intend to use Carini for future annual checkups and needed service.
"





+16

Serving Oceanside, CA and surrounding areas
Approved
In business since 1984
Free estimates
Emergency services offered
"Robert expertly found the leak in the garage came from the air conditioner compressor, unit in back patio. The pipe ran all the way under the slab, I guess, through to the garage. We covered the area with a plastic tarp and stopped the water flow. What a relief!"





+37
Serving Oceanside, CA and surrounding areas
Approved
In business since 1977
Free estimates
Customers say: Quality work
Service, Quality, Comfort. Consistently delivering the best Service and Installation experience in San Diego since 1977. Log in to view what Angie's List Members are saying about us and get exclusive member discounts! Our estimates on a new installation or replacement are always Free! \nOur Certified Technicians service all brands of equipment. We have COVID-19 Protocols in place for your safety and ours! Friendly, Knowledgeable Staff is here to help! Flexible Financing OAC Available. Call Us Today!

Serving Oceanside, CA and surrounding areas
Approved
In business since 2016
Free estimates
Credit card accepted
"Aztec H2O provided a high quality water softener and the install was impressive. Stephen, the owner was very meticulous and took his time to explain the function of the Pentair unit. Best of all, he was a fraction of the cost of other water systems like EcoWater, Culligan, and Life Source! Please call Stephen first!"





+1
From average costs to expert advice, get all the answers you need to get your job done.

How much a water softener costs depends on your home’s size, and the system’s type and capacity. Our expert guide explores all the price factors.

Water softeners remove minerals from hard water in your home and make your water more pleasant to use. Learn more about how they work here.

Water softeners work to remove unwanted minerals from hard water through a filtration and recharge cycle. Keep reading to learn how a water softener works.

There are four common softener alternatives available on the market today. We compare and contrast each one to help you find your best-fit solution in this blog.

Water softeners rid your home of hard minerals and, well, soften your water. Even better, the regeneration process is an automatic cycle that works when you’re least likely to use it.

Your water softener works overtime to keep your water safe. Use this guide on how to check your water heater for damage or poor performance.