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TRUSTED BY NORTHRIDGE, CA HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon10
    Verified water softener services reviews

Top-Rated Water softener pros in Northridge - Updated Nov 2026

Avatar for Western Rooter & Plumbing
Western Rooter & Plumbing
4.8(
172
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Northridge, CA and surrounding areas

Approved

In business since 1981

Free estimates

Emergency services offered

"Found me the right size water heater, a few days before Thanksgiving and had it installed within 2 hours. Clean and efficient and Bradford White gas water heaters are American made. Built to last. Daniel Westereng did a great job with the install. Clean, fast, thorough and polite."
Ruben installs a new drainage system under a customers home. Working in a crawl space is rough, but we do what is needed.
Backing up? Got roots? Blast those roots out with a Hydro Jetter! We use a wart hog nozzle that combines controlled rotation with a unique 8 jet cutting configuration optimized for removing roots. It’s better with a jetter! Call us! We got this! ??
Sewer Line Camera
No drain clog too big or small, Western Rooter covers them all!
Justin clearing a Kitchen sink back-up after the Memorial holiday.
HALO 5 whole house water filtration system.

+542

Response time12 hrs
Response rate100%
9 neighbors recently requested a quote
Avatar for Pure Water Filtration
Pure Water Filtration
5.0(
5
)
Water Treatment & Purification System - Install or Replace

Serving Northridge, CA and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

With 50 years of combined experience, we at Pure Water Filtration pride ourselves on being the best in the industry. Our ability to design and install complex projects separates us from our competitors. We do everything from simple installs such as residential reverse osmosis to more complex commercial multi-unit apartment buildings or well water treatment. For pure, healthy water, we have a solution for any budget. We use American-made products, allowing us to offer the best warranties in the industry. All of our products meet NSF and ANSI standards. Pure Water Filtration has a close relationship with the California State Drinking Water Program and local testing laboratories. We guarantee you will be satisfied when choosing Pure Water Filtration as your go-to water treatment specialist.

Plumbing Project
Water softener replacement
Commercial Water Softener and Carbon system
Unidyne Water Softener and Carbon Combo system
Water Softener and Backwashing Carbon system

+3

23 neighbors recently requested a quote
Avatar for Chajon Plumbing
Chajon Plumbing
4.9(
52
)
Water Treatment & Purification System - Repair or Service

Serving Northridge, CA and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Giovanni was very professional, arrived on time, and kept in contact by phone and message about arrivals, needed equipment, and expected work. He was careful to explain what needed to be done and why and approached work with a positive attitude. The job involved replacing some valves on an exterior faucet set on copper pipes. Afterward, he noticed that the house water pressure was high and found that the regulator was not working so I had him replace that. Overall this was a very positive experience and I would say he is one of the good guys. Give him a call if you need some plumbing work done."
Before and after
Before and after
Before and after
You always have to Check for leaks
Start at the foundation to build up something

+17

Response time20 mins
Response rate95%
1 neighbors recently requested a quote
Avatar for Esteban Plumbing Company, Inc.
Esteban Plumbing Company, Inc.
5.0(
4
)
Water Treatment & Purification System - Repair or Service

Serving Northridge, CA and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

"Esteban did a great job. He made some recommendations based on our needs. He took out most of the old cast iron pipe that was corroded and replaced with ABS black plastic. He also installed a valve, so we could use the wash machine water to water the backyard trees and plants. A goal was to minimize damage to the exterior stucco, and he used drills instead of hammers to go through. He listened to our questions and made some recommendations to avoid leaks. I hired him to do some additional work the last plumber did wrong, and he did it at a very reasonable price. I would highly recommend Esteban Plumbing."
Response time6 hrs
Recommended by100%of homeowners
Dutton Plumbing, Cooling, Heating & Electric
New to Angi
Water Treatment & Purification System - Repair or Service

Serving Northridge, CA and surrounding areas

Approved

In business since 1987

Free estimates

Credit card accepted

Dutton Plumbing, Cooling, Heating & Electrical runs out of two locations, one in Simi Valley and one in Sylmar. We’ve been working out of this valley since 1987. From those two shops, we cover Ventura County, the San Fernando Valley, Santa Clarita, and Northern Los Angeles County. That’s plumbing, drain and sewer, water heaters, HVAC, and electrical, all handled by the same crews. Nearly four decades in the same region adds up. Our crews have been inside enough houses out here to recognize what a given neighborhood tends to do before they open anything up. Post-war ranch homes behave one way, newer builds behave differently, and we’ve seen it all.

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Water Softeners FAQs, answered by experts

Softener systems extend appliance life spans, improve skin and hair health, and reduce pipe buildup by removing minerals like calcium and magnesium.

If your water softener repair is fairly straightforward, like a simple filter replacement, then you can probably do it yourself with little risk. However, anything beyond a simple fix should be addressed by someone with extensive plumbing expertise to avoid costly water softener problems, like leaks. 

That said, even simple problems can be complicated to diagnose, particularly if your water softener is attached to a whole-house treatment system. So, unless you feel absolutely certain that the problem is an easy fix that you can take on yourself, it's probably best to hire a plumber to diagnose and fix the problem.

Water purifiers and water softeners serve different purposes, so the best one will depend on your particular needs. Water purifiers remove contaminants from water (such as bacteria, viruses, and chemicals), leaving you with ultra-clean and safe water. However, water softeners remove minerals from your water so that the water doesn’t leave stains around your house or cause plumbing problems.

A tankless water heater should be at least 10 feet away from a water softener, although the pros you hire for water softener installation can help you determine the correct distance. These two units need to have some distance between them to prevent hot water from the tankless water heater from flowing backward into the water softener when it runs a regeneration cycle.

Yes, a water softener can remove scale deposits. According to the U.S. Department of Energy, after you add a water softener to your home, “gradually the softer water will dissolve limescale scale deposits and remove the problem entirely.” Installing a water softener—or water descaler—will also help prevent new scale deposits from forming.

The Northridge, CA homeowners’ guide to water softener services

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