Mitchell Lewis & Staver
Verified Pro
24½+ years online5.0(3)
Water Treatment & Softeners in Spokane, WA
Compare 33 water treatment & softeners contractors near you in Spokane and surrounding area with an average rating of 4.7/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated May 14, 2026
Most pros respond within 2–24 hours
Verified Pro Installers
mitchellewis.com
EcoWater Systems of Eastern. WA & Idaho
Verified Pro
4+ years online4.9(200)
Water Guys
Verified Pro
10 mo online4.9(241)
Home Environments Pools and Spas, LLC
Verified Pro
18½+ years online4.7(61)
Culligan of Spokane, WA
Verified Pro
29+ years online4.3(332)
Other Businesses in This Area
Wellness Water Filtration Systems
2½+ years onlineH2O FLOW LLC
5.01½+ years onlineR C Worst & Co
5.0~19 years onlineSmart Water Solutions
5.0Trademark Heating, Cooling & Electrical
5.012½+ years onlineBig Red Wrench Plumbing
4.96½+ years onlineFerguson Waterworks
4.927+ years onlineQuality Water Northwest
4.915½+ years onlineFish World Spokane
4.87+ years onlineGold Seal Plumbing
4.8~27 years onlineH2O Solutions Inc.
4.86+ years onlineJLR Plumbing
4.84+ years onlinePace Plumbing & Heating
4.81½+ years onlineSERVPRO of Spokane County
4.829+ years onlineShaw Plumbing Heating & Air Conditioning
4.89+ years onlineMainstream Electric, Heating, Cooling and Plumbing
4.78½+ years onlineRoe Backflow Testing
4.7Pump Division
4.62+ years onlineKing Soft Water Co
4.326+ years onlineNorco Heating and Air Conditioning
4.320 years onlinePure Filtration Products
4.017+ years onlineHajoca Spokane Plumbing Supply, Kitchen & Bath Showroom
3.96+ years onlineWater Treatment & Softeners in Nearby WA Cities
Other Services in Spokane
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Water Treatment & Softeners in Spokane, WA
Water treatment and softeners in Spokane serves an Inland Northwest market: Victorian homes, single-family homes, apartment complexes, and commercial properties. Typical jobs include whole-home water softeners, reverse-osmosis drinking-water systems, and well-water treatment for some Spokane outskirts. Inland NW water quality drives approach.
Residential water softeners in Spokane run $1,800-$4,500; reverse osmosis $1,200-$3,500; well-water treatment $3,500-$10,000. Washington requires a Plumber Certification. Spokane permits apply.
Frequently Asked Questions
- Is Spokane water hard?
- Variable — testing recommended.
- Well-water?
- Many outskirts on wells need treatment.
- RO for drinking?
- Popular — $1,200-$3,500.
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NeedInstall helps connect customers with local installation professionals across Spokane and surrounding communities. Featured contractors have claimed their profile and verified their business information. Listings marked as "Verified Pro" have been confirmed by the business owner.