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

Avatar for American Plumbing & Sewer LLC
American Plumbing & Sewer LLC
4.9(
141
)
Water Treatment & Purification System - Install or Replace

Serving Boulder, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Credit card accepted

"Very professional, honest, Reasonable and communicative company. Did a great job installing my new tankless water heater. I have also hired them in the past to install water softener, also got the same great service. And they also maintain these systems."
Response time6 hrs
Response rate99%
24 neighbors recently requested a quote
Avatar for Front Range Water Heater and Excavation
Front Range Water Heater and Excavation
4.9(
87
)
Water Treatment & Purification System - Install or Replace

Serving Boulder, CO and surrounding areas

Approved

In business since 2018

Emergency services offered

Warranties offered

"Drain was initially cleared using a drain augur, but inspection via camera revealed that additional cleaning was needed. A followup visit happened about a week later to perform a hydro-jet flush and the video inspected now showed a very clean drain pipe. The technician was very professional and explained the steps he was following and what he observed. I would recommend this company for this kind of drain service."
Response time10 hrs
Response rate100%
5 neighbors recently requested a quote
Avatar for Flatirons Plumbing, Inc.
Flatirons Plumbing, Inc.
4.7(
265
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Boulder, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Emergency services offered

"They removed my old broken water softener & replaced with new one. They did a great job. I only use Flat Irons Plumbing for all my plumbing work. They also recently replaced my old leaking hot water heater & replaced with tankless. I Love it."
Our Flatirons Plumbing Team!
We promise to listen to our customers
The Flatirons Plumbing Team
Response time5 hrs
5 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Leaf Home Water Solutions- Fort Collins
Leaf Home Water Solutions- Fort Collins
4.1(
197
)
Water Treatment & Purification System - Install or Replace

Serving Boulder, CO and surrounding areas

Approved (Corporate)

In business since 2020

Credit card accepted

Offers commercial services

Leaf Home Water Solutions provides best-in-class water filtration and softener products for healthy, purified water that protects both the home and family. With state-of-the-art water testing materials, dedication to White Glove installation and service, best-in-class products, and the support of the nation's largest home solutions company, homeowners can feel confident choosing Leaf Home Water Solutions. Since all installations are tailored to specific water needs, custom solutions may include enhanced impact on hair and skin, energy savings on bills, increased appliance longevity, and elimination of hard water contaminants like calcium and magnesium, while also combatting taste and odor issues by filtering out chlorine and other organic compounds. The team of professionals at Leaf Home Water Solutions takes great pride in knowing that families are provided with the cleanest, crispest, and heathiest water possible.

6 neighbors recently requested a quote
Recommended by73%of homeowners
Avatar for American Plumbing & Sewer LLC
American Plumbing & Sewer LLC
5.0(
50
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Boulder, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Warranties offered

"Hands down, The best people I have hired. I needed a water heater replacement to meet code, i wanted to do it myself but the realtorsdid not agree. I had several estimates, not only where they affordable but they excelled in customer service from the first call to the finished project. I HIGHLY recommended them."
Water softener
Response time11 hrs
Response rate95%
31 neighbors recently requested a quote
Avatar for Pure Water Services
Pure Water Services
4.8(
14
)
Water Treatment & Purification System - Install or Replace

Serving Boulder, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"I am very pleased with the work that they've done I also had a couple other Plumbing issues that was taken care of as well and it was great that he did not make me wait to get those done. It was nice to have someone that is well experienced."
Bradford White Water Heater
Response time1 day
Response rate95%
32 neighbors recently requested a quote
Avatar for Compass Plumbing
Compass Plumbing
5.0(
33
)
Water Treatment & Purification System - Install or Replace

Serving Boulder, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2002

Free estimates

Warranties offered

"Honest and good work can be hard to come by. Jay will get the job done right for a very reasonable cost, and he is incredibly kind on top of all that. So far Compass plumbing has: split pipes in my en suite bathroom from a single to a double sink, moved water lines from the floor to the wall to accommodate a floating vanity, moved a toilet location in my basement, replaced a water pressure regulator that was causing water hammer, and fixed a leak coming from the line going to our fridge. Definitely my go-to plumber!"
Water Heating Systems
Navien Boiler
Response time2 hrs
Response rate96%
1 neighbors recently requested a quote
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Water Softeners FAQs, answered by experts

Yes. To get soft water, you can install a water softening system, which will replace the calcium and magnesium ions in the water with sodium or potassium ions. Water softeners cost anywhere from $200 to $6,000, depending on the size and complexity of the system. You can either install a water softener for the whole house or just at your shower heads. If you’re sensitive to sodium or potassium, you can install a salt-free water conditioner.

Drinking hard water is not known to have any negative health impacts. Using hard water can lead to dry skin and hair, and the minerals in hard water can build up in pipes, faucets, and appliances. Hard water is more of a threat to your plumbing than it is to your health.

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.

Hard water isn’t necessarily bad for you. In some ways, it’s good for you. If you’re deficient in magnesium or calcium, hard water can give you a mineral boost that you wouldn’t get with soft water. However, this is where the benefits of hard water pretty much stop. Hard water can cause many minor inconveniences and lead to costly, premature replacements of your water-using appliances.

Whether you need a permit or license for a water softener installation depends on your location, as requirements vary significantly. Some municipalities require the installer to hold a plumbing license, some mandate a permit and an inspection, and others require both. In some areas, no special permit or license is needed at all.

To determine the rules in your area, you can contact your local building department or consult a local water softener installer or plumber. Often, only certified professionals are authorized to pull the necessary permits, and they will typically handle the entire permitting process for you. Regardless of local laws, it is always recommended to hire a licensed professional to ensure the system is sized and installed correctly. You can use Angi’s state licensing tool to check an installer’s license status.

The Boulder, CO homeowners’ guide to water softener services

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