Grow Flow Powered by Culligan Kansas City
Verified Pro
~5 years online5.0
Water Treatment & Softeners in Olathe, KS
Compare 21 water treatment & softeners contractors near you in Olathe and surrounding area with an average rating of 4.5/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 24, 2026
Most pros respond within 2–24 hours
Verified Pro Installers
growflowkc.com
J F Denney, Inc.
Verified Pro
23+ years online5.0
Smart Living Water Purification of Overland Park
Verified Pro
~4 years online5.0
Culligan of Greater Kansas City
Verified Pro
29+ years online4.6(483)
Other Businesses in This Area
air2waterPlus
BottleLESS Water Coolers
4½+ years onlineFilter Services Company
9½+ years onlinegoh2o refill
28½+ years onlineModern Home Technologies
3½+ years onlineWellness Water Filtration Systems
2½+ years onlineH2O Health & Wellness Solutions
5.02½+ years onlineKrystal Klear Water Systems
5.02½+ years onlineMoore Water and Air- Kansas City - Your Authorized EcoWater Dealer
4.94½+ years onlineRoto-Rooter Plumbing & Water Cleanup
4.9~29 years onlineOlathe Pet Shop
4.729 years onlineHague Quality Water of Kansas City Inc
4.610+ years onlineSutherlands
4.530½+ years onlineWater Treatment & Softeners in Nearby KS Cities
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About Water Treatment & Softeners in Olathe
Water treatment covers filtration, softening, and purification systems for homes and businesses. Common solutions include whole-home water softeners, reverse osmosis drinking water systems, and iron/sulfur filters. The right system depends on your water source and specific contaminants.
Typical costs: Under-sink reverse osmosis systems run $300–$800 installed. Whole-home water softeners are $1,500–$4,000. Iron filters and multi-stage whole-home systems are $2,000–$6,000+.
Common projects include:
- Whole-home water softener installation
- Reverse osmosis drinking water system
- Iron and sulfur filtration
- UV water purification
- Well water treatment systems
Water treatment installations that modify plumbing may require plumbing permits. Well water systems may need additional environmental or health department approval.
Frequently Asked Questions
- How much does water treatment & softeners cost in Olathe?
- An under-sink reverse osmosis system runs $300–$800 installed. A standard water softener is $1,500–$4,000 including installation and plumbing connections. Well water treatment systems with multiple stages (sediment, iron, softener, UV) can run $3,000–$8,000. Annual maintenance (filters, salt) is $100–$300.
- How do I find a reliable water treatment & softeners contractor in Olathe?
- Start with a water test — a good installer will test your water before recommending a system. Ask about ongoing maintenance costs (filter replacements, salt, UV bulb changes). The cheapest system isn't the best deal if filters cost $200 every 6 months.
- Do I need a permit for water treatment & softeners in Olathe?
- Simple point-of-use filters don't need permits. Whole-home systems that tie into the main water line may require a plumbing permit. Well water treatment systems may need health department review in some areas.
About NeedInstall
NeedInstall helps connect customers with local installation professionals across Olathe 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.