Commercial Plumbing
Trusted by restaurants, property managers, HOAs & businesses across Ontario, Rancho Cucamonga, Fontana & beyond
Commercial Expertise
Commercial Plumbing for the Inland Empire
Regal Plumbing & Rooter provides full-service commercial plumbing for businesses, restaurants, apartment complexes, HOAs, and property managers throughout the Inland Empire. With 20+ years of hands-on experience and California Contractor License #1097482, we have the expertise to handle commercial plumbing projects of any size — from routine maintenance to emergency repairs and large-scale installations. We understand that plumbing issues in commercial properties mean lost revenue, unhappy tenants, and health code violations. That is why we prioritize fast response times, minimal disruption to your operations, and clear communication throughout every project. We serve commercial clients in Ontario, Rancho Cucamonga, Fontana, Pomona, Corona, Upland, West Covina, and Chino.
- ✓Restaurant & kitchen plumbing
- ✓Apartment & multi-unit plumbing
- ✓HOA & property management plumbing
- ✓Office & retail plumbing
- ✓Grease trap installation & maintenance
- ✓Backflow prevention & testing
- ✓Commercial water heater replacement
- ✓Sewer line repair & hydro jetting
- ✓Leak detection & pipe repair
- ✓New construction rough-in plumbing
What We Cover
Services We Provide
Restaurants & Kitchens
Grease trap service, drain cleaning, gas line work, and emergency plumbing for restaurants and food service businesses across the Inland Empire.
Apartments & HOAs
Multi-unit plumbing repairs, re-piping, water heater replacement, and ongoing maintenance for apartment complexes and HOA-managed properties.
Office & Retail
Commercial plumbing service for office buildings, retail spaces, medical offices, and other commercial properties with minimal disruption to operations.
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 →Water Filtration
Whole-home softeners, reverse osmosis, and filtration systems installed.
Learn More →Service Coverage
Cities We Serve
We provide fast, local plumbing service throughout the Inland Empire and San Gabriel Valley.
Common Questions
Commercial Plumbing FAQs
Get a Commercial Quote
Licensed, insured, and trusted by businesses across the Inland Empire
(909) 600-4561Call Now