Dale O. Duncan Inc. - Water Systems Contractor
Verified Pro
6½+ years online5.0(35)
Water Treatment & Softeners in Stamford, CT
Compare 36 water treatment & softeners contractors near you in Stamford 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 14, 2026
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Verified Pro Installers
duncanwatersystems.com
Tomczuk Rocco Water Systems
Verified Pro
18½+ years online5.0
Candito Plumbing and HVAC, LLC
Verified Pro
2½+ years online4.9
Professional Water Systems
Verified Pro
22½+ years online4.6
Culligan of Danbury, CT
Verified Pro
29½+ years online4.5
Other Businesses in This Area
Aquarion Water Co
24½+ years onlineBlue Sky Spring
Simpura
6+ years onlineWater Tech LLC
Bluedrop Water
5.014+ years onlineEmpire Sewer and Water CT
5.05½+ years onlineHydra Plumbing LLC
5.0Pure Point Water Solutions
5.01½+ years onlineSuperior Water & Radon Systems LLC
5.015+ years onlineWestfair Water Systems
5.020½+ years onlineE. Garrity Water Solutions
4.9~10 years onlineHydro-Pure Water Treatment, LLC
4.9~22 years onlineJNR Plumbing LLC
4.915½+ years onlineMermaid Pool Water
4.915½+ years onlineWater Dr. LLC | Well Pump and Water Service Specialists
4.914½+ years onlineAir Solutions, Inc.
4.8Marino's Waterworks Inc
4.724+ years onlineRoto-Rooter Plumbing & Water Cleanup
4.729 years onlineWaterware Showrooms of Stamford
4.716½+ years onlineC&C Service
4.421½+ years onlineRocky's Ace Hardware
4.4~31 years onlineUnited Water Restoration Group of Stamford
4.217+ years onlineHarbor Point Organic Market
3.71½+ years onlineStamford Water Pollution Control Authority
3.5BlueTriton Brands
3.1Harvest Hill Beverage Company
3.128+ years onlineWater Treatment & Softeners in Nearby CT Cities
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Water Treatment & Softeners in Stamford, CT
Water treatment and softeners in Stamford (CT) serves an affluent Fairfield County NYC-commute market: single-family homes throughout Westover, apartment complexes, and commercial properties. Typical jobs include whole-home water softeners (CT water has hardness), reverse-osmosis drinking-water systems, and commercial water treatment. Affluent NYC-commute demographics drive premium demand.
Residential water softeners in Stamford run $2,500-$5,500; reverse osmosis $1,500-$4,000; commercial $5,000-$50,000. Connecticut requires a Plumber's License (P-1). Stamford permits apply.
Frequently Asked Questions
- Is Stamford water hard?
- Yes — 8-12 grain hardness. Softener recommended for appliance longevity.
- RO for drinking?
- Popular with affluent households. $1,500-$4,000.
- Well-water concerns?
- Some Stamford properties have wells needing treatment for iron/manganese.
About NeedInstall
NeedInstall helps connect customers with local installation professionals across Stamford 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.