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TRUSTED BY MAPLE VALLEY, WA HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon16
    Verified water softener services reviews

Top-Rated Water softener pros in Maple Valley - Updated Nov 2026

Blue Line Water Inc.
4.9(
51
)
Water Treatment & Purification System - Install or ReplaceWell Pump - Repair or ServiceWater Treatment & Purification System - Repair or Service

Serving Maple Valley, WA and surrounding areas

Approved

In business since 2001

Free estimates

Emergency services offered

"I had to have emergency work done on my well pump system on a Saturday. Blue Line was the only company that came out. They got the water flowing again, but could not fix the cause of the problem at that point. I now have hired them to finish the job. Very knowledgeable about wells and water systems."
Response time1 day
28 neighbors recently requested a quote
Recommended by95%of homeowners
Avatar for Plumbing Excellence Northwest, LLC
Plumbing Excellence Northwest, LLC
5.0(
9
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Maple Valley, WA and surrounding areas

Approved

In business since 2015

Free estimates

Emergency services offered

"Jose Ruiz was very professional explained every step of the process. As someone who knows nothing about plumbing he walked me through all the details. Thank you Jose for coming out to my home within 2 hours on a Friday evening. A job well done at a reasonable price. You Rock!!!"
Boiler
Water Heater
Response time1 day
Response rate100%
3 neighbors recently requested a quote
Avatar for SIMBA SOLUTIONS CO LLC
SIMBA SOLUTIONS CO LLC
4.7(
19
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Maple Valley, WA and surrounding areas

Approved

In business since 2025

Free estimates

Warranties offered

"Absolutely fantastic service!!! Jason did an amazing job installing our new tankless water heater, and the whole experience was smooth and stress-free. He took the time to answer all our questions, made sure everything was set up perfectly, and left the workspace spotless. You can tell he takes pride in his work. We?re beyond happy with the results and grateful for the excellent service"
Simba plumbing
Simba plumbing
Simba plumbing
Simba plumbing
Simba plumbing

+29

1 neighbors recently requested a quote
Avatar for Dear Services
Dear Services
3.5(
285
)
Water Treatment & Purification System - Install or Replace

Serving Maple Valley, WA and surrounding areas

Approved

In business since 2014

Emergency services offered

Warranties offered

"When I asked for service because of a water leak, they gave me a next-day appointment, on Friday. Next day they called and said they couldn't come, but would come between 1 and 7 PM on Tuesday. Waited all afternoon on Tuesday and nothing, not even a call. Wednesday I called to report the failure and was told management would be notified. Thursday afternoon I called and was given an appointment between 1 and 7 PM the next day, Friday. On Friday an expert plumber showed up an hour early and did a marvelous job. Seemed to cost an arm and a leg, but complete and professional, along with good explanations of everything."
Kitchen rewire
lighting upgrade
Condo Rewire
Condo Rewire
Condo Rewire

+13

Response time12 hrs
17 neighbors recently requested a quote
Recommended by75%of homeowners
2 Sons Plumbing
5.0(
5
)
Water Treatment & Purification System - Repair or Service

Serving Maple Valley, WA and surrounding areas

Approved (Corporate)

In business since 2017

Credit card accepted

Offers commercial services

2 Sons Plumbing is a full-service plumbing and sewer company serving the greater Seattle area. Known for reliable service, honest recommendations, and quality workmanship, our team handles everything from everyday plumbing repairs to complex sewer solutions—helping homeowners keep their systems running smoothly year-round.

Avatar for All Water Plumbing LLC
All Water Plumbing LLC
5.0(
12
)
Well Pump - Repair or Service

Serving Maple Valley, WA and surrounding areas

Free estimates

Emergency services offered

Credit card accepted

"One could not ask for much more with Vlad from AWP. He was willing to take the time to discuss what he was doing and explain options. His work is very neat and precise and he maintained a very clean work environment. As someone who does most of their own work, I can assure you that I will utilize AWP for all my plumbing needs in the future."
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+24

Recommended by100%of homeowners
Avatar for Home Comfort Alliance
Home Comfort Alliance
4.7(
341
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Maple Valley, WA and surrounding areas

In business since 1977

Free estimates

Emergency services offered

"Everything went well and smooth with their help. I got the proposal with all details at the same day when they came to do the estimate. Our old furnace was built on 1971, and it was in a closet next to the water heater tank. When one other company came to estimate, they wanted to cut a furnace size hole on the wall facing the hallway to fit the machine and we have to find a constructor or handy man to finish, like to build a door or make it look good, but G&S figured out an easy way, which is to turn the machine toward another direction and eventually only cut a vent on the wall. It took two days for all the installation, and they cleaned up when they left and everything looked clean and nice. They also listened to customers. We didn't want the heat pump to be right next to the stairs of our deck, so they chose a spot which was few feet away from the closest spot without any question. We appreciate for that, since the wind blows out from heat pump is kind of strong, and we feel comfortable with where it is at now. One thing I really like is they were on time, and they called around 30 minutes ahead before them showed up. They also take care all the paperwork for the PUD rebate, Costco 10% shop card, and city permits, and all we do is waiting their call to arrange the time."
Additional Photos
Choose Home Comfort Alliance for professional HVAC installation.
Seattle’s HVAC installation pros provide efficient, reliable service.
Get Reliable, High-Quality HVAC Installation in the Seattle-Tacoma Area.
Home Comfort Starts with Professional HVAC Installation.

+1

Response time1 day
Response rate100%
Recommended by91%of homeowners
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Water Softeners FAQs, answered by experts

Hard water is not considered unhealthy and is safe to drink, cook with, and bathe in. It doesn't pose a risk to your physical health and can even help you get enough essential minerals like calcium in your diet. However, it can negatively affect skin and hair. Using hard water for washing can contribute to dry skin, an itchy scalp, and may worsen conditions like eczema by altering the pH balance. Additionally, some people do not like the taste of hard water.

Installing a water softener could help reduce calcium buildup in your pool if your pool has high calcium hardness as a result of hard drinking water in your home. Pool softeners work by exchanging calcium and magnesium for sodium, so if you use softened water to top off your pool, it may help keep calcium hardness from rising over time. However, it won’t lower the calcium hardness of the water already in your pool and isn’t a practical way to control pool calcium levels. The average water softener installation cost is between $200 and $6,000.

Because it’s been through the water cycle, evaporating and becoming slightly acidic thanks to dissolved carbon dioxide in the atmosphere, rainwater tends to be naturally soft compared to groundwater, which has just been in contact with limestone. However, the natural hardness level of water always depends on where you are and other factors.

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

There are several things that can shorten the life of a water softener. Homes with very hard water may have to replace the unit sooner because the water softener works harder to filter out the hard minerals. High water usage and infrequent maintenance can also put more strain on a water softener.

The Maple Valley, WA homeowners’ guide to water softener services

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