
Water Treatment & Softeners in Baltimore, MD
Compare 31 water treatment & softeners contractors near you in Baltimore 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


Pure Way of Baltimore

ACE Environmental

Culligan of Maryland
Other Businesses in This Area
Ashburton Filtration Plant - Wash Water Lake
Montebello Filtration Plant No 2
Air Filters Inc.
5.029½+ years onlineCuZn Water Filtration Systems
5.030½+ years onlineMontebello Water Filtration Plant No 1
5.0Water Doctor
5.0~29 years onlineBenjamin Franklin Plumbing of Baltimore
4.926+ years onlineHague Quality Water of Maryland
4.924½+ years onlineJermaine's Water Heaters
4.9Liberty Pure Solutions
4.912+ years onlinePure Technology
4.99+ years onlineRoto-Rooter Plumbing & Water Cleanup
4.9~29 years onlineSaffer Plumbing, Heating & Electrical
4.9~24 years onlineAbend Services
4.88½+ years onlineAir Filter Maintenance Co Inc
4.8Carroll Water Systems
4.826+ years onlineHydrate HQ of Mid Atlantic, LLC
4.87½+ years onlinePrime Plumbing
4.8~15 years onlineMichael & Son Services
4.724½+ years onlineNeu-Ion Inc
4.726½+ years onlineTapp Water Systems
4.719½+ years onlineAt Your Service Heating and Cooling LLC
4.6~13 years onlineE Water Company
4.3~15 years onlineAshburton Filtration Plant
4.0Rainsoft-Chesapeake Water Treatment, Inc.
3.916½+ years onlineWater Treatment & Softeners in Nearby MD Cities
Other Services in Baltimore
Water Treatment & Softeners in Baltimore, MD
Water treatment and softeners in Baltimore serves a Mid-Atlantic Maryland market: rowhouses throughout Federal Hill, Victorian homes, mid-century homes, and commercial properties. Typical jobs include whole-home water softeners, reverse-osmosis drinking-water systems, lead service-line testing for older homes, and commercial water treatment. Aging service-lines and bilingual demographics drive approach.
Residential water softeners in Baltimore run $1,800-$4,500; reverse osmosis $1,200-$3,500; lead-service-line treatment $5,000-$15,000. Maryland requires a Master Plumber license. Baltimore permits apply.
Frequently Asked Questions
- Lead concerns in older Baltimore?
- Some service lines contain lead — RO addresses at point of use.
- Is Baltimore water hard?
- Yes — 8-12 grain hardness common.
- RO for drinking?
- Popular — $1,200-$3,500.
About NeedInstall
NeedInstall helps connect customers with local installation professionals across Baltimore 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.