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Top-Rated Water treatment & purification system repair or service pros in Littleton - Updated Nov 2026

Avatar for Flatirons Plumbing, Inc.
Flatirons Plumbing, Inc.
4.7(
265
)
Water Treatment & Purification System - Repair or Service

Serving Littleton, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Emergency services offered

"Last week when our current hot water heater fractured and flooded the basement, I was bracing myself for a prolonged, complicated repair. Fortunately I was completely mistaken how much difficulty this would be. The team of Paul and Dianna made it painless. From the initial phone intake, to Paul's onsite consult, every step of the way I felt supported. We were trying to do this inexpensively so I ended up sourcing a replacement water heater from Lowes. But other than that we went with every prescribed step Flatirons Plumbing recommended. The quality of workmanship was excellent. I was pleased that we installed an additional cutoff valve so that if we needed to ever replace the water heater again in the future it wouldn't require cutting water to the whole house. Paul answered all my technical questions patiently and knowledgeably. Other than finding a slightly better deal getting the replacement water heater itself, I can't think of anything I'd recommend this repair place do differently. I'm a fan!"
Our Flatirons Plumbing Team!
We promise to listen to our customers
The Flatirons Plumbing Team
Response time5 hrs
6 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Heart Heating, Cooling, Plumbing & Electric
Heart Heating, Cooling, Plumbing & Electric
4.7(
92
)
Water Treatment & Purification System - Repair or Service

Serving Littleton, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Emergency services offered

"So pleased with Heart Heating, Cooling, Plumbing & Electric! My lower level bathroom toilet and tub had backed up sewage coming into it and they were able to get a technician out in less than 2 hours. Jason inspected my entire system and the clog had cleared and did not repeat so no repairs were needed. He answered all my questions and gave me advice on ways to prevent the situation in the future and was very friendly. The cost was a small service call fee - well worth my peace of mind!"
Additional Photos
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+24

8 neighbors recently requested a quote
Recommended by81%of homeowners
Avatar for B.C. Plumbing Services
B.C. Plumbing Services
5.0(
10
)
Water Treatment & Purification System - Repair or Service

Serving Littleton, 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
Avatar for Headstrong Plumbing
Headstrong Plumbing
5.0(
9
)
Water Treatment & Purification System - Repair or Service

Serving Littleton, CO and surrounding areas

Approved

In business since 2021

Free estimates

Emergency services offered

"H&P Home Services did an amazing job on my bathroom!! Nick showed up on time, and after a quick look was able to explain what the problem was and how he was gonna fix it. They had my toilet and sink running again normally in no time and cleaned up really well afterwards which I really appreciate. I would highly recommend them to anyone needing quick and affordable home or plumbing repairs."
Sewer Replacement
Response time10 mins
Response rate100%
Recommended by33%of homeowners
Avatar for Tipping Hat Plumbing, Heating & Electric
Tipping Hat Plumbing, Heating & Electric
4.0(
812
)
Water Treatment & Purification System - Repair or Service

Serving Littleton, CO and surrounding areas

Approved (Corporate)

In business since 2000

Free estimates

Emergency services offered

"Very professional, fast and quality work. We needed a water heater and they came out the same day. We had a 40 gallon storage tank water heater and had it replaced with a 50 gallon. They replaced three or valves all of the water heater lines and gas line. New drip pan and drain set up with a leak alarm."
tipping hat
tipping hat
tipping hat
tipping hat
Response time9 hrs
659 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for Defense Plumbing
Defense Plumbing
5.0(
2
)
Water Treatment & Purification System - Repair or Service

Serving Littleton, CO and surrounding areas

Approved

In business since 2021

Free estimates

Warranties offered

"I recommend Defense based on their work fixing our home drainage-system leak. There was a 4/4 ft, 1 in deep water pool in the corner of cellar under sewer line of 1910 QueenAnne home, yet no joints leaked. The two corner walls, from about 3-4 feet above floor, showed wet spots on their concrete, and wetness from outside seeping thru wall soaked a level 2x4 support for shelving. Water dripped from this 2x4 every 10-15 secs. A different company estimated a $10,000 sumpPump was needed, and refused to evaluate the outflow pipe of clay. Defense knew old-house materials, would check pipe first, then if needed, consider sumpPump. The clay pipe was found to have a ravine eroded along its underside with soaking wet mud beneath and around it. Now that Defense replaced the bad parts with PVC pipe, I have been able to get the cellar dried out completely !!!! for $3900 and great guys working."
Hose Bibs
Response time30 mins
Recommended by50%of homeowners
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FAQs for water treatment & purification system repair or service projects in Littleton, CO

If your water softener is over 10 years old or if repair costs approach the price of a new unit, it might be time to replace it. Most water softeners last between 10 and 15 years. Replacing an aging unit can improve your water quality and help you avoid frequent repair costs. For a newer system with minor issues, repairing may be the best option. Consider the age and condition of your system to decide what's most cost-effective.

Water treatment systems remain dependable for 10 to 20 years with proper maintenance and care. A well-maintained system secures full performance by following a scheduled upkeep plan and professional inspections. Consistent maintenance guarantees continuous water purification, ensuring that the system operates at its peak efficiency and delivers high‑quality water throughout its lifespan.

Faulty water softeners exhibit clear symptoms that signal the need for immediate attention. Noticeable mineral build-up around faucets, discolored water, dry or itchy skin following a shower, and altered laundry texture indicate that the system is underperforming. Recognizing these issues early and addressing them promptly prevents further damage and maintains optimal water quality. Early intervention ensures that your water system continues to operate reliably and efficiently.

The Littleton, CO homeowners’ guide to water treatment & purification system repair or services

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