Commercial Backflow Testing

Pasadena CA Plumbers specializes in backflow device installation, repair, and maintenance for commercial and multi-family properties. Let our team of proffessional licensed Plumbers help you.

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Backflow Installation, Repair, and Maintenance for Commercial Buildings and Multi-Family Properties


Commercial and multi-family properties typically need a backflow prevention device to guarantee a clean a water supply. Municipal codes usually require a backflow prevention device at all cross-connection points found within your buildings plumbing system. The plumbing systems that often require a backflow prevention device are condos, hospitals, apartments any food  establishments and commercial establishments. A backflow prevention device protects potable water supplies from pollution or contamination due to backflow. In water supply systems, water is normally maintained at a significant pressure to enable water to flow from the tap, shower, or other fixture.

In order to protect  customers, tenants and yourself from bad backflow issues, Pasadena CA plumbers has fully licensed plumbers and Cross-Connection Control Device Inspectors (CCCDI) to ensure your backflow is tested and working properly.

When it comes to your commercial building, Pasadena Plumbers fully licensed plumbers and Cross-Connection Control Device Inspectors have the industry knowledge and skill to provide backflow testing on a large variety of Reduced Pressure Zone (RPZ) systems.

As well, our plumbers perform installation, maintenance, and repair services for many other types of plumbing systems, including  water heaters, water treatment systems, toilets, sinks, tubs, and more. No matter what type of service you need, when you work with Pasadena CA Plumbers you can be confident that you will always receive quick, courteous service from a team of professionals who are committed to your complete satisfaction.

Backflow valves must be inspected annually to guarantee proper operation and to keep your property in compliance with the local laws and code. Your fresh water supply is subject to interruption and your business may be fined if your backflow testing isn’t completed in time.

A backflow prevention device most commonly consists of a pair of mechanical check values that prevents dirty water from flowing backwards into the clean water supply. In the unexpected event of drastic change in water pressure. The properly installed and maintained backflow preventer will keep drinking water safe and free of dangerous contaminants.

Our Locations

Los Angeles Plumber

Altadena Plumbers

South Pasadena Plumbers

Arcadia CA Plumbers

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Glendale CA Plumbers

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La Canada Plumbers

La Crescenta Plumbers

Plumbers El Monte

Kris – Pasadena, CA

“I recently had Pasadena CA plumbers come out to the office. We had a big problem with a sewer line on our property. John came out immediately to check on the situation. He kept me informed throughout the process and he very easy to work with. He and his team got to work right away and had our problem fixed. I really appreciated their hard work and I was very happy with results.

Ani – Glendale, CA

“When tree roots caused a sewer back up in my basement, a friend referred me to Pasadena CA plumbers. They provided excellent service and resolved my problem very quickly, and his personality made him a pleasure to do business with. I would highly recommend him to anyone with plumbing issues.”

Alan – Altadena, CA

“Every step of the way, these guys were the very standard of courteous and professional. What they did was clearly explained, with the pricing carefully outlined. Add to that it was executed with lightning speed, meaning I was more than pleased to have chosen this company. A win in the midst of a really big job.”

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About Pasadena Plumbers

Pasadena CA Plumbers has been proudly serving the city of Los Angeles and surrounding areas for over 50 years! Nothing stresses homeowners and business owners like the task of handling plumbing issues we all know it can be annoying. From the clogging problems to the leak repairs, let us take that weight off your back.


Our Plumbers are the most trusted and respected in the Southern California area because we are committed to extraordinary service and extraordinary results. Our professional and courteous team makes sure your  plumbing issues are solved for the most affordable price. When we do the job we make sure its done right for LONG-term results. We cover all of the Los Angeles area!.


We provide and install a variety of plumbing equipment, appliances and supplies. We also offer a complete range of inspections and troubleshooting. Most customers need plumbers for a variety of reasons like flooding kitchens, bathrooms, basements, backed up toilets,  leaky faucets, new fixture installations, and emergency plumbing services. Most people do not know much about their plumbing system and thats why we started our blog. We can help you understand your Plumbing system with our helpful customer service and blog!


 Our certified team of licensed plumbers are knowledgeable, and abide by local building codes and industry standards. We have a working familiarity with commonly occurring plumbing issues in local homes and businesses. We will always find the resolution to your problem. No matter the size of the project big or small, we have the tools and experience to get your home or business running at top efficiency as soon as possible.


We have an extreme wide range of services for residential and commercial Plumbing. We can be called on the event of any plumbing emergency, 24 hours a day 7 days a week. Call us or schedule an appointment today!