LA Water Solutions, Inc.
Verified Pro
~6 years online5.0(253)
Water Treatment & Softeners in Los Angeles, CA
Compare 29 water treatment & softeners contractors near you in Los Angeles 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
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Water Treatment & Softeners in Los Angeles, CA
Los Angeles water treatment is a near-universal need given LADWP's hard water (~12-15 grains/gallon), chloramine disinfection that affects taste, and varying mineral content from Owens Valley vs Colorado River sources. Hillside homes in Bel Air, Pasadena, and Sherman Oaks often have low pressure and old galvanized lines that benefit from sediment pre-filters. Most LA installs combine softener + carbon for the whole house plus point-of-use RO at the kitchen. NeedInstall connects you with LA water treatment installers familiar with LADWP water reports, CA plumbing code (CPC), and whole-home setups for hillside homes with pressure constraints.
LA water treatment installs run $1,800-$6,500 for softener + carbon, $4,500-$12,000 for whole-home RO. CA requires a C-36 plumbing license. Standard salt-based softeners use 35-50 lbs salt/month. Brine drainage to sewer required (CPC). Most installers include sediment pre-filter for the older mains. LA County DPH requires backflow on RO systems with auto-shutoff valves.
Frequently Asked Questions
- Why does my LA water smell like a pool?
- Chloramine — used for disinfection. A whole-home carbon filter removes it; refrigerator and shower filters help if you don't want full whole-home treatment.
- Salt or salt-free softener?
- Salt-based for measurable softening (scale, soap savings). Salt-free conditions water but doesn't truly soften. LA's hardness justifies salt-based for most homes — and CA actually allows them statewide despite occasional municipal restrictions.
- Maintenance schedule?
- Salt every 6-10 weeks, sediment filter every 3-6 months, carbon every 9-12 months, RO membranes every 24-36 months. Plan $200-$450/yr in consumables.
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NeedInstall helps connect customers with local installation professionals across Los Angeles 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.