Artesian Bottleless Water
Verified Pro
8+ years online4.9
Water Treatment & Softeners in St. Louis, MO
Compare 30 water treatment & softeners contractors near you in St. Louis and surrounding area with an average rating of 4.6/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated May 22, 2026
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Verified Pro Installers
Other Businesses in This Area
Wellness Water Filtration Systems
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4.915+ years onlineHoffmann Brothers
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4.914+ years onlineSt. Louis Heating and Air Conditioning
4.910½+ years onlineTony LaMartina Plumbing Co. Inc
4.915+ years onlineWalkers Heating and Cooling Services LLC
4.9~5 years onlineAcademy Air Heating, Cooling, Plumbing and Electric
4.820½+ years onlineAtlas Supply Company
4.825½+ years onlineClean Water Solutions
4.85½+ years onlineRoto-Rooter Plumbing & Water Cleanup
4.829 years onlineTri-State Water, Power, and Air
4.816 years onlineCulligan of Belleville
4.730½+ years onlineAqua Systems
4.621½+ years onlineCulligan of St. Louis
4.613½+ years onlineWater Mold Fire Restoration of St. Louis
4.5~11 years onlineUSA Plumbing Plus
4.211½+ years onlineSt. Louis Water
2.325½+ years onlineWater Treatment & Softeners in Nearby MO Cities
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Water Treatment & Softeners in St. Louis, MO
Water treatment and softeners in St. Louis serves a Missouri metro market: Victorian homes throughout Central West End, brick rowhouses, mid-century homes, and commercial properties. Typical jobs include whole-home water softeners (MO water has hardness), reverse-osmosis drinking-water systems, lead service-line testing for older homes, and commercial water treatment. Aging service-lines and MO water hardness drive approach.
Residential water softeners in St. Louis run $1,800-$4,500; reverse osmosis $1,200-$3,500; lead-service-line treatment $5,000-$15,000. Missouri doesn't require state-level contractor license for residential. St. Louis permits apply.
Frequently Asked Questions
- Lead concerns in older St. Louis?
- Some service lines contain lead — RO addresses at point of use.
- Is St. Louis water hard?
- Yes — 8-12 grain hardness common.
- RO for drinking?
- Popular — $1,200-$3,500.
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NeedInstall helps connect customers with local installation professionals across St. Louis 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.