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

Avatar for Service Flow Plumbing
Service Flow Plumbing
5.0(
23
)
Water Treatment & Purification System - Install or Replace

Serving Highland, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"Drew came out and did an excellent job diagnosing my clogged bathtub drain. He was on time, efficient, very descriptive in his repair, left left the job totally cleaned up. And it needs to be stated that his price was very reasonable. I’m so happy that I have now found my new go to plumber. I highly recommended Service Flow to my family, friends and to you."
Sewer Main Valve
Sewer Main Valve
Sewer Main Valve
Sewer Main Valve
Sewer Main Valve

+81

Response time8 hrs
Response rate98%
24 neighbors recently requested a quote
Avatar for Diamond House Construction, Inc.
Diamond House Construction, Inc.
4.4(
150
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Highland, CA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"I recently had the pleasure of working with Joshua at Diamond House, and I couldn't be happier with the experience. From start to finish, he demonstrated professionalism, efficiency, and excellent customer service. My pipes were old, corroded, and causing issues in almost every part of my house from faucets to my water heater and water pressure. When I reached out for a repiping project, they responded quickly and scheduled an in-home consultation right away. Their team was punctual, arriving exactly when they said they would. Joshua walked me through the process of replacing my aging pipes and even gave me a few options that fit my budget. If any unexpected issues came up (as they sometimes do with older homes), he discussed them with me before proceeding. This level of communication gave me peace of mind. Although repiping is a significant investment, I felt that their pricing was fair for the high level of service I received. The long-term benefits of upgraded plumbing have already made a difference in my water pressure and quality. They also provided a warranty on all of their work and included yearly maintenance on my water heater and water filter/descaler. Diamond House Plumbing exceeded my expectations, and I would highly recommend them to anyone in need of repiping or other plumbing work."
Clogged Drains
1250-gallon Septic tank
Flowtech Filter Installation
Septic pump and install / Service
1250-gallon Septic tank

+36

Response time3 hrs
Response rate90%
22 neighbors recently requested a quote
Avatar for ASCENT PLUMBING INC
ASCENT PLUMBING INC
4.7(
99
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Highland, CA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business.

Sink Install
Sink Install
Sink Install
Sink Install
Sink Install

+3

1 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for The Water Heater Whisperer
The Water Heater Whisperer
5.0(
12
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Highland, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Credit card accepted

"Aaron gets five stars for an outstanding tankless water heater installation! ​He was professional, punctual, and highly knowledgeable from start to finish. The installation was seamless and meticulous, resulting in a unit that saves space and delivers truly endless hot water. Aaron's attention to detail, including a thorough cleanup and system walkthrough, made the entire experience excellent. The reviewer highly recommends Aaron."
Start
Middle of project
Finished
Tankless water heater
Response time7 hrs
Response rate93%
1 neighbors recently requested a quote
Exclusive Water Systems
4.8(
12
)
Water Treatment & Purification System - Install or Replace

Serving Highland, CA and surrounding areas

Approved

In business since 2001

Free estimates

Customers say: Quick response

"Gary was very professional! I needed my water softener hooked up to the main water line, everything else was already set up and drainage was run by DIYers. He said no problem and ran the piping through my attic so it ended up not only working good but looking good too. Cost was below what others were charging and he came early in the day and got it done the same week I contacted them. Very satisfied and would recommend them!"
Response time8 hrs
2 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for All Pro Cooling, Heating, Plumbing & Electrical
All Pro Cooling, Heating, Plumbing & Electrical
4.8(
17
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Highland, CA and surrounding areas

Approved

In business since 1982

Free estimates

Emergency services offered

Since we opened our doors in 1991, All Pro Plumbing, Heating, Air & Electrical has been dedicated to providing residential and commercial customers in Ontario, CA with top-notch plumbing, heating, air conditioning, indoor air quality, and electrical services. Nearly 30 years later, we have grown significantly, but our values have not changed. We are just as committed to customer service and providing you with personalized options to meet your specific needs. We know that when you are dealing with an urgent plumbing, HVAC, or electrical issue, there isn't always time to wait around for hours for your technician to show up. Today, with more technicians, we are able to answer your call 24 hours a day, 7 days a week, and respond to your needs faster, almost always within the hour! When you call us for service, we'll work with you to make sure your problem gets solved according to your specific needs and budget.

My jobs
My jobs
My jobs
My jobs
My jobs

+7

206 neighbors recently requested a quote
Avatar for GG's Plumbing, Inc.
GG's Plumbing, Inc.
5.0(
12
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Highland, CA and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

"We had a great experience with GG’s Plumbing at our cabin in Lake Arrowhead. We originally hired them to install a whole-house water shut-off system, and the job was done quickly and professionally. While they were there, the team noticed that our pipes weren’t properly insulated — something that can obviously become a real issue in the mountains during winter. What I appreciated most was their approach: they didn’t pressure us at all. They simply explained the risk, gave us the option to fix it now or later, and let us decide. That kind of honesty goes a long way. We chose to go ahead and have the insulation done, and I’m glad we did. Their team was easy to work with, the communication (mostly through text) was fast and clear, and everything was handled smoothly. Reliable, knowledgeable, and straightforward — I would absolutely recommend GG’s Plumbing."
Water repipe
Water repipe
Avatar for Service Champions Plumbing, Heating & AC
Service Champions Plumbing, Heating & AC
4.4(
50
)
Water Treatment & Purification System - Install or Replace

Serving Highland, CA and surrounding areas

Approved

In business since 2000

Free estimates

Warranties offered

"We are in the process of having both our dirty & clean water lines completely changed, which is a huge project. Several of the great Service Champion technicians have had to dig huge holes & long trenches, with the additional obstacle of having to cut through huge roots, from an enormous tree in front of our house, that have literally taking over our front yard & destroyed the pipes. They also cut through cement & even â  jackhammeredâ  through an enormous patch of concrete that was about a foot deep, which took a lot of time & muscle to remove! This was definitely an amazing example of â  good deeds for freeâ  . We had so many different, excellent technicians coming & going, who did a tremendous job for us, but I unfortunately cannot remember everybodyâ  s names. There are two guys who actually have been working at our house the most, so Iâ  d like to recognize them (big Chris & Ryan). They are both terrific examples of the Service Champions model, and are excellent in their trade! They have worked very hard & have been a great help in so many different ways, helping to make this difficult process much easier for our family! Kudos & our deepest thanks to Chris & Ryan & all the great Service Champions professionals! We sincerely appreciate you all!"
Area Drain Cleaning
Plumbing
Plumbing
Garbage Disposal
Drain Cleaning

+13

Response time4 hrs
Recommended by79%of homeowners
Avatar for Hydrocurrent Well Services
Hydrocurrent Well Services
4.2(
28
)
Well Pump - Repair or Service

Serving Highland, CA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"Great crew and awesome service. I had a hard time finding a place interested in dismantling a rusty failed 10k steel water holding tank. These guys got it done quickly, cleanly and they were very nice and good about communication. Top notch!"
Grove
Poway
Nursery
Golf Course
New Construction

+9

Response time6 hrs
Recommended by95%of homeowners
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Water Softeners FAQs, answered by experts

While it depends on how complicated the unit and installation is, it takes two to four hours to install a water softener unit, on average. It might take longer if pipes need to be replaced. You should make sure the installation area is clear of any objects that might get in the way before you begin.

A water softener is a worthwhile investment if you live in an area with hard water. While hard water is safe to drink, it contains minerals like calcium and magnesium that can cause significant problems over time. These minerals build up inside pipes, reducing water flow and eventually corroding the plumbing system, which can lead to leaks and a shortened lifespan. Hard water also damages fixtures and appliances, potentially resulting in costly repairs. Additionally, it makes soaps and detergents less effective, meaning you'll use more product to get things clean. By installing a water softener, you can prevent these issues. The initial investment is often recouped through long-term savings, including lower energy bills, reduced appliance and plumbing maintenance, and spending less on soap and cleaning supplies. Other benefits include cleaner linens, dishes, and clothing, as well as softer water that is gentler on your skin and hair. In some areas, a water softener can also increase your home's value, making it a valuable long-term investment.

You should not use a water conditioner with a water softener because a water conditioner changes the chemistry of the water and causes the ion exchange in a softener to be ineffective. Choose a water softener if you have hard water or well water, and use a water conditioner if you need to remove certain contaminants.

It depends on the type of surface. For instance, if you’re trying to get rid of hard water deposits on glass, you can spray vinegar onto the surface and wipe it off with a soft cloth or non-abrasive sponge. However, if the deposits are on granite or natural stone, it’s better to use baking soda and water rather than vinegar or other acidic cleaners.

Most of the U.S. has hard water, especially across portions of the West and Midwest. The areas with the hardest water include parts of Texas, Oklahoma, Kansas, Colorado, New Mexico, Utah, Wyoming, Illinois, North and South Dakota, Ohio, and New York. You’ll find soft water in parts of New England, the Southeast, the Pacific Northwest, and Hawaii.

The Highland, CA homeowners’ guide to water softener services

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