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TRUSTED BY DERBY, CO HOMEOWNERS

  • Average homeowner rating star icon4.9
    Average homeowner rating
  • Verified reviews icon19
    Verified water softener services reviews

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

Avatar for Watrdude Consulting
Watrdude Consulting
4.9(
47
)
Water Treatment & Purification System - Install or Replace

Serving Derby, CO and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

"Chris was one of several quotes we got. His was the most relatable and understandable. He was here installing within a week and the results were just what we needed. We love our new soft water and drinking water. Very affordable too."
Commercial
Advanced Series Water Softener
Pro Series Reverse Osmosis - 5 stage
500 GPM Water Softeners
RO/DI system with pretreatment

+3

Response time1 day
6 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for American Plumbing & Sewer LLC
American Plumbing & Sewer LLC
4.9(
142
)
Water Treatment & Purification System - Install or Replace

Serving Derby, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2023

Free estimates

Credit card accepted

"American Plumbing & Sewer provided us with top notch service from beginning to end. We needed a new water heater, I called on Monday, Alan was out on Tuesday to give us an estimate and by early Thursday afternoon we had our new water heater installed along with a water softener/purification system. Lanney is extremely personable yet extremely professional at the same time. The workmanship was fantastic and he explained things to us along the way. Lanney's assistant, I believe it is is son, Austin, is a fantastic person and he is also extremely knowledgeable and very proficient. I would highly recommend American Plumbing if you are ever in need of a new water heater or water treatment system. You guys have a new customer, that is for sure. Thank you again."
Response time6 hrs
Response rate99%
26 neighbors recently requested a quote
Avatar for Leaf Home Water Solutions
Leaf Home Water Solutions
4.2(
201
)
Water Treatment & Purification System - Install or Replace

Serving Derby, CO and surrounding areas

Approved (Corporate)

In business since 2020

Free estimates

Warranties offered

"The installer Dustin was great! He was on time and professional. The installation was completed in about four hours as stated the job would be. I am happy with my water softener system and so is my skin!"
Leaf Home Water Solutions
Leaf Home Water Solutions
Will filtered water help me save money?
What does filtered water taste like?
How do I know what contaminants are in my water?

+44

167 neighbors recently requested a quote
Recommended by71%of homeowners
Avatar for Pure Water Services
Pure Water Services
4.8(
14
)
Water Treatment & Purification System - Install or Replace

Serving Derby, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"Pure Water beat the other contractors on price and what we received as a product. We couldn't be happier with the installation. We now have hot water on demand on the opposite side of the house where it could take 5 min of water running for the water to be hot. Pure Water also installed a water softener and now our hard water is soft! Patrick who did the install was professional, personable, picked up what little mess there was, explained everything once the install was complete. We are so pleased we have them on the hook for a fireplace gas line and will have several bathroom projects going forward. We could not recommend Pure Water Services more. Thank you"
Bradford White Water Heater
Response time1 day
Response rate95%
34 neighbors recently requested a quote
Avatar for Compass Plumbing
Compass Plumbing
5.0(
33
)
Water Treatment & Purification System - Install or Replace

Serving Derby, 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
Avatar for Franklee Plumbing LLC
Franklee Plumbing LLC
5.0(
12
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Derby, CO and surrounding areas

Approved

Free estimates

Offers commercial services

"I would highly recommend this company! My service pro was knowledgeable, friendly, and efficient! He took on an old, leaking, rusted water heater job that was not for the faint hearted. He problem solved every odd glitch that my older house threw at him. The whole experience was completely positive!"
3 neighbors recently requested a quote
Avatar for Jim Needham Heating Cooling Plumbing & Drain
Jim Needham Heating Cooling Plumbing & Drain
4.5(
72
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Derby, CO and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"first jim needem was so professional, caring about my water situation. he immediately called me back and set up a service for a sunday. Ben came and i can not say enough about his patience,professionalism, caring and was so helpful with my situation. He took the time to educate us and help us understand the system. He checked all points of our water in our house. he also had some suggestions for the future which we will do. this company also has a person to extract water thru my insurance for my carpet. He left nothing out. His expertise and honesty was amazing. I hope everyone who reads this will use this company. If there were 20 stars they would definitely get them. I am so thankful for their customer service, and kindness. Thank you Jim and Ben colleen L in Broomfield colorado"
After
Furnace
Outdoor a/c (condensing) unit
Indoor furnace
Outdoor a/c (condensing) unit

+1

Response time2 days
18 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for B.C. Plumbing Services
B.C. Plumbing Services
5.0(
10
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Derby, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"I would highly recommend Brady (BC Plumbing) to anyone. I was thoroughly impressed with his prompt and excellent service on the install of my water main. His prices are more than reasonable. I admired his patience and ability to work with me as I accepted his offer in June, but did not get back to him until late September. At which point there was no delay in getting things done! Thanks Brady and your marvelous crew!"
Tankless Water Heater
Tankless Water Heater
Tankless Water Heater
Tankless Water Heater
Tankless Water Heater

+95

Response time6 hrs
Response rate86%
9 neighbors recently requested a quote
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Water Softeners FAQs, answered by experts

A lower-end water softener would cost around $900, not including installation. Each home has different requirements, water hardness, and number of inhabitants, so there’s a huge range in pricing—$600 to over $6,000. The average water softener repair bill is around $500, meaning it’s a much better option to repair any issues and only replace your softener if absolutely necessary. 

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.

The average cost to install a water softener, including the system and labor, is approximately $1,500. However, the total price can range widely from $600 to $6,000. For some complete systems, the cost may be between $800 and $2,500. Labor for the installation typically costs between $150 and $1,000.

The final price is influenced by several factors, including:

  • System type, capacity, and complexity

  • Home size and household water demands

  • Water hardness levels

  • Accessibility of the installation site and the extent of plumbing work required

  • Whether new electrical work is needed

  • The professional hired and any local permit costs

Whether you need a license or permit for water softener installation depends on your location. Some municipalities require the installer to hold a plumbing license, while others may only require a permit and an inspection. In some cases, both a permit and a licensed installer are necessary, and some areas have no requirements at all. Often, only certified plumbers and electricians are allowed to pull the necessary permits. To find out the specific regulations in your area, you can contact your local building department. Alternatively, a local water softener installer or plumber will be familiar with the requirements and can typically pull the permits 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 tools like Angi’s state licensing tool to verify an installer's license status.

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.

The Derby, CO homeowners’ guide to water softener services

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