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


BNH Home Services LLC

Mallick Plumbing & Heating, Inc.

National Water Service

Your 1 Plumber
Other Businesses in This Area
Catons Plumbing, Drains & Water Cleanup
5.0~19 years onlineFerris Plumbing & Repair
5.08 mo onlineJ&J Water Services, LLC
5.02+ years onlineSimply Home Service
5.04½+ years onlineWater Factory
5.0WaterShield Technology
5.0Benjamin Franklin Plumbing of Gaithersburg
4.9~26 years onlineMaking Air Right
4.910½+ years onlinePresidential, Inc.
4.915½+ years onlineSERVPRO of Gaithersburg / Germantown
4.929 years onlineUnited Service Specialists
4.99½+ years onlineMichael Bonsby HVAC, Plumbing & Electrical
4.8~19 years onlineDrinkMore Water
4.727+ years onlinePlumbing Pro Services Germantown
4.77½+ years onlineUnited Air Temp
4.727+ years onlineBrowning Pools & Spas
4.528+ years onlineDouglas & Son Services
4.56½+ years onlineWaterfy Me
4.4Lighthouse Aquatics Inc
4.224+ years onlineWest Well Pump Service, Inc.
4.1~12 years onlineBryant Group, Inc
4.0~10 years onlineWater Treatment & Softeners in Nearby MD Cities
Other Services in Germantown
About Water Treatment & Softeners in Germantown
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+.
- 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 Germantown?
- 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 Germantown?
- 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 Germantown?
- 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 Germantown 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.