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  • Average homeowner rating star icon4.2
    Average homeowner rating
  • Verified reviews icon11
    Verified water softener services reviews

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

Avatar for My Guy Plumbing & Service, Inc.
My Guy Plumbing & Service, Inc.
4.9(
38
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Spokane, WA and surrounding areas

Approved

In business since 2015

Free estimates

Customers say: Quick response

"Long Holiday Weekend and my hot water heater quit. We had just moved in too. That should have been caught in inspection. Oh well. By chance we had HVAC repair scheduled and they offered to look at the water heater, but My Guy already squeezed us into his schedule. I'm so glad he did. His price came in lower than the HVAC service person's quote. My Guy provided options for repair vs replacement. Knowledge is power, and I feel we were given all the information up front. We opted to replace. He showed us how to operate the water heater and told us the schedule for maintenance to get the longest use of our new water heater. I highly recommend My Guy. We'll have him back again when we replace the sink and dishwasher."
Response time6 hrs
Recommended by100%of homeowners
Avatar for Gold Seal Plumbing
Gold Seal Plumbing
4.2(
167
)
Water Treatment & Purification System - Install or Replace

Serving Spokane, WA and surrounding areas

Approved

In business since 1967

Free estimates

Emergency services offered

"6 stars across the board. Helped me immediately, looked at every option to remedy my gas hot water heater. ? Impressed and relieved to take a hot shower tonight. Thank you especially to Bobby and Marcus for being so kind and knowledgeable."
Water Conditioner
Rinnai Tankless Water Heater
Response time12 hrs
6 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for Northern Water And Power
Northern Water And Power
4.0(
16
)
Well Pump - Repair or Service

Serving Spokane, WA and surrounding areas

Approved

In business since 2022

Free estimates

Emergency services offered

"Jake Nordmeyer with Northern Water and Power is awesome! He is the most experienced well and pump service company I know. I would highly recommend to all my friends and family! His attention to detail and willingness to help customers quickly and after hours was much appreciated!"
well pump
well pump
well pump
well pump
Response time2 days
20 neighbors recently requested a quote
Recommended by50%of homeowners
Avatar for Noble Plumbing & Heating
Noble Plumbing & Heating
4.8(
120
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Spokane, WA and surrounding areas

In business since 2010

Emergency services offered

Credit card accepted

"

My son-in-law installed a new faucet I had purchased a couple years ago, but never installed.  He did a great job but when he turned it on the water just trickled out.  He was unable to determine the problem so I called Noble Plumbing.  I found his listing on Angie's List.

He was able to find that the hose running through the faucet was plugged with something, clear it, and put it back together.  It works great now.  He even found a leaking supply line and replaced it.

I asked him if he had time for another small job, fixing the loose faucet on my jetted tub.  The only access was through an access under my sink.  It was a very tight squeeze and around plumbing lines, but he was able to get it tightened and working fine.

He is great to work with and very professional at his job.  He did great work.


"
Recommended by99%of homeowners
Avatar for Quality Water Northwest
Quality Water Northwest
4.9(
10
)
Water Treatment & Purification System - Install or Replace

Serving Spokane, WA and surrounding areas

In business since 1979

Free estimates

Credit card accepted

"I had a water softening system installed. They were thorough in their evaluation and pricing and the installation went quickly and smoothly. We're very pleased with the work, workmanship and product."
Response time2 days
Recommended by100%of homeowners
Avatar for Platinum Rooter & Plumbing
Platinum Rooter & Plumbing
4.4(
64
)
Water Treatment & Purification System - Install or Replace

Serving Spokane, WA and surrounding areas

In business since 2021

Free estimates

Emergency services offered

"The tech showed up as promised and had provided me with a notification that he was on his way. He spent considerable time trying to locate the problem with the water pipes. Ultimately he determined that there wasn't a significant problem, but did recommend a permanent solution to the issue. He provided me with an estimate to take care of the pipe issue and additional estimates for two other projects that need to be done in the house. I was very happy with the entire process."
Drainage After
Drainage Before
Drainage After
Drainage Before
Filter

+2

Response time1 day
Recommended by92%of homeowners
Avatar for Plumbline
Plumbline
5.0(
9
)
Water Treatment & Purification System - Install or ReplaceWater Treatment & Purification System - Repair or Service

Serving Spokane, WA and surrounding areas

In business since 2025

Free estimates

Warranties offered

"From start to finish Plumbline Pro is amazing. He walked me through all the parts needed. But never felt once I was being upsold or lied to. He's right to the point no nonsense. I hope I don't ever need to call him but I know that he is reliable and will be there if I need help at any time."
Replaced Water Heater.
Response time40 mins
Response rate94%
Recommended by12%of homeowners
Showing 1-10 of 27
Water Softeners FAQs, answered by experts

A water softener removes minerals from your drinking water and can make your house water softer. These softeners are designed to extend the lifetime of your plumbing system while also making water safer and more palatable for drinking. Hard water, which is water with a heavy amount of suspended particles, can also cause hair damage, skin irritation, and buildup in your pipes.

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.

Experts recommend that you put two to four bags of potassium chloride in your water softener every month. This amount depends on how much is in the bag (40 pounds is most common) and what your water softener manufacturer recommends. For more specific advice, talk to a water softener pro in your area and read the manual that came with your system.

Replacing a water softener costs $200 to $6,000, depending on the capacity of the water softener, the type of water softener, and the amount of people living in your home. An ion exchange water softener is the most common type and costs $500 to $3,000. Water distillers, which cost $1,200 to $4,000, and dual-tank models, which cost $1,000 to $5,000, are definitely pricey, but they offer more filtration or capacity, respectively.

You can install a water softener system by turning off the water supply, draining the water, and then connecting your device to the waterline. Next, you’ll fill your tank with the recommended amount of salt or brine (whichever your unit calls for; be sure to read the instructions). Turn the water supply on and check for leaks. You can opt to let your water run for a few minutes, then test it using strips. 

The process of inspecting your water softener system is similar.

The Spokane, WA homeowners’ guide to water softener services

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