Water Filtration
Cleaner, softer water for your entire home - water softeners, reverse osmosis, and whole-home filtration systems
Better Water, Better Living
Water Filtration & Softener Installation
Southern California water is notoriously hard. Mineral buildup damages appliances, leaves residue on fixtures, and affects the taste and quality of your water. We install whole-home water softeners, under-sink filters, and reverse osmosis systems to give you cleaner, softer water throughout your home. Hard water affects the entire region — we install filtration systems in Ontario, Rancho Cucamonga, Fontana, Pomona, Chino, Corona, Upland, and West Covina.
- ✓Whole-home water softener installation
- ✓Under-sink reverse osmosis systems
- ✓Carbon filtration and UV purification
- ✓Filter cartridge replacement service
- ✓Water quality testing
- ✓Custom solutions for your water needs
What We Cover
Services We Provide
Water Softeners
Whole-home water softeners remove calcium and magnesium, protecting your appliances and leaving skin and hair feeling softer.
Reverse Osmosis
Under-sink RO systems provide pure, great-tasting drinking water by removing contaminants, chlorine, and dissolved solids.
Whole-Home Filtration
Comprehensive filtration systems that treat all water entering your home - every faucet, shower, and appliance gets clean water.
Our Promise
Why Choose Regal?
Honest Pricing
Upfront, transparent quotes before any work begins. No hidden fees, no surprises — even in emergencies.
Fast Response
24/7 availability for emergencies. We arrive quickly and work efficiently to minimize damage.
Quality Workmanship
Every job backed by our commitment to premium craftsmanship and lasting results.
Explore
Other Services We Offer
Emergency Plumbing
Rapid-response emergency plumbing for the Inland Empire - we’re on call around the clock.
Learn More →Drain Cleaning
Professional clearing of kitchen, bathroom, and main sewer line blockages.
Learn More →Sewer Line Repair
Camera inspection, trenchless repair, and full sewer line replacement.
Learn More →Water Heater Services
Installation and repair of tank, tankless, and heat pump water heaters.
Learn More →Slab Leak Detection
Electronic leak detection beneath concrete slabs with minimal disruption.
Learn More →Hydrojetting
High-pressure water jetting to scour pipe walls and restore full flow.
Learn More →Gas Leak Detection
Licensed gas line detection, repair, and pressure testing for safety.
Learn More →Service Coverage
Cities We Serve
We provide fast, local plumbing service throughout the Inland Empire and San Gabriel Valley.
Better Water Starts with One Call
Free water quality assessment and expert filtration recommendations
(909) 600-4561Call Now