Greenwood Plumbing and Heating
Verified Pro
18+ years online4.9
Water Treatment & Softeners in Warwick, RI
Compare 32 water treatment & softeners contractors near you in Warwick 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 22, 2026
Most pros respond within 2–24 hours
Verified Pro Installers
greenwoodplumbingandheating.com
Water Treatment Solutions Inc
Verified Pro
14½+ years online4.9
J&O Plumbing
Verified Pro
~11 years online4.5
Salk's Ace Hardware & Marine Warwick
Verified Pro
26½+ years online4.5
Culligan of West Warwick, RI
Verified Pro
29+ years online4.4(213)
Other Businesses in This Area
Pure Water Co
All Dry Services of Rhode Island
5.0~3 years onlineGreen Wastewater Solutions
5.011+ years onlineJosh's Plumbing Services - Water Heater Installation and Replacement - Navien On Demand and Hybrid - Foster, RI Office
5.06½+ years onlineWarwick Winwater
5.0~24 years onlineMr. Rooter Plumbing of Rhode Island
4.930+ years onlineNational Refrigeration Inc.
4.918+ years onlineEmergency Response Plumbing, Heating and Air Conditioning
4.819½+ years onlineRoto-Rooter Plumbing & Water Cleanup
4.8~29 years onlineSOS Plumbing & Heating
4.84 years onlineNew England Water Conditioning - NEWCO
4.723+ years onlineOSA Aquarium Superstore & Services -Coventry RI
4.77 years onlineRiken Pools
4.78½+ years onlineF.W. Webb Company - Warwick
4.629½+ years onlineLeafFilter Gutter Protection
4.624½+ years onlineSomething Fishy, Inc.
4.626½+ years onlineWater Filter Co Inc
4.524+ years onlineEvergreen Plumbing, Heating, & Cooling Home Services
4.315½+ years onlineAquaMotion
4.0~13 years onlineFish Bowl Aquarium & Pet Mart
4.023+ years onlineVeolia Water North America
4.0Michael Perri & Sons Septic Service, Inc.
3.716½+ years onlineEastern Pure Water
3.010+ years onlineWater Treatment & Softeners in Nearby RI Cities
Other Services in Warwick
Access Control & Intercom(40)Alarm System Installation(29)Appliance Installation(17)Artificial Turf Installation(29)Automotive Installs(1)Concrete & Paving(38)Deck & Patio Building(37)Electrical Services(28)EV Charger Installation(10)Fencing & Gate Installation(23)Fire Protection & Sprinklers(34)Garage Door Installation(20)
About Water Treatment & Softeners in Warwick
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 Warwick?
- 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 Warwick?
- 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 Warwick?
- 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 Warwick 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.