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Water Treatment & Softeners in Boulder, CO
Compare 33 water treatment & softeners contractors near you in Boulder 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 March 23, 2026
Most pros respond within 2–24 hours
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Other Businesses in This Area
ECOWATERDROP
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5.025+ years onlineBoulder Reservoir Water Treatment Plant
5.0Rocky Mountain Water Conditioning
5.09½+ years onlineSave Home Heat Company
4.926½+ years onlineMeyers Heating & Air Conditioning
4.816½+ years onlineRoto-Rooter Plumbing & Water Cleanup
4.8~29 years onlineAqua Imports
4.720½+ years onlineGeoWater Services LLC
4.719+ years onlineMesa Plumbing, Heating and Cooling
4.722+ years onlineMcGuckin Hardware
4.630+ years onlineIndian Peaks Springwater Unit #??
4.221 years onlineIdeal Market Boulder
4.1~27 years onlineEpic Water Filters
3.811½+ years onlineTimberline Mechanical System LLC
3.822 years onlineColorado Water Wizard
3.726½+ years onlineWater Treatment & Softeners in Nearby CO Cities
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About Water Treatment & Softeners in Boulder
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 Boulder?
- 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 Boulder?
- 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 Boulder?
- 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 Boulder 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.