
Water Treatment & Softeners in Alexandria, VA
Compare 33 water treatment & softeners contractors near you in Alexandria and surrounding area with an average rating of 4.8/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 23, 2026
Most pros respond within 2–24 hours
Verified Pro Installers


NOVA Water LLC

ClearWave Water Solutions

Culligan of Northern Virginia

Quality Water, Inc.
Other Businesses in This Area
Primo Water Exchange
31½+ years onlineSeagate Filters, Inc.
21+ years onlineWellness Water Filtration Systems
2½+ years onlineAlexandria Plumbers & Drain Cleaning Co.
5.0Mermaid Water & Plumbing
5.0~22 years onlineThe Secret Plumber
5.08 mo onlineVito Services
5.0~21 years onlineA Action Home Services
4.915½+ years onlineAquafeel Virginia
4.9~7 years onlineBest Water VA LLC
4.914½+ years onlineCaffi Services
4.9~9 years onlineCardinal Plumbing Heating & Air Inc
4.912½+ years onlineCarroll Water Systems
4.926+ years onlineRoto-Rooter Plumbing & Water Cleanup
4.9~29 years onlineUnited Air Temp
4.927+ years onlineKramer & Sons Plumbing Services, Inc
4.825+ years onlineLen the Plumber Heating & Air, LLC
4.726+ years onlineM.E. Flow
4.727+ years onlineMichael & Son Services
4.724½+ years onlineAlexandria Plumbing Pro Services
4.47½+ years onlineForest 24 Hour Laundromat
3.6~2 years onlineWater Treatment & Softeners in Nearby VA Cities
Other Services in Alexandria
Water Treatment & Softeners in Alexandria, VA
Water treatment and softeners in Alexandria (VA) serves a Northern Virginia DC-metro market: historic Old Town townhouses, single-family homes, federal-employee households, and commercial properties. Typical jobs include whole-home water softeners (VA water has hardness), premium reverse-osmosis drinking-water systems, and commercial water treatment. Federal-employee demographics drive premium demand.
Residential water softeners in Alexandria run $2,000-$5,000; premium reverse osmosis $1,500-$4,000; commercial $5,000-$50,000. Virginia requires a Master Plumber license. Alexandria permits apply.
Frequently Asked Questions
- Is Alexandria water hard?
- Yes — 8-12 grain hardness.
- Premium RO?
- Federal-employee households want premium taste. $1,500-$4,000.
- Old Town considerations?
- BAR review for exterior equipment.
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NeedInstall helps connect customers with local installation professionals across Alexandria 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.