C&L Plumbing provides readily available backflow testing and fixes for broken or leaking backflow valves. We work hard to ensure your satisfaction. We are service any type of backflow valve for a variety of plumbing systems such as plumbing, HVAC, fire services, and irrigation. C&L Plumbing is a father and son family operated full service professional backflow prevention service. We have been proudly serving the San Francisco Bay Area since 1999, and have a combined total of 25 years of experience in both plumbing and fire sprinkler services.

We are licensed and Insured Contractors based in the city and county of San Francisco. We specialize and provide backflow testing, repair, and replacement. We are recognized by the SFDPH (San Francisco Department of Public Health) and the SFPUC (San Francisco Public Utilities Commission) as certified backflow testers. We are certified backflow testers by the AWWA (American Water Works Association) and recognized/licensed by the CSLB (California state license board) as plumbing contractors. Our mission is to provide excellent service and customer satisfaction at a fair and affordable price.

I enthusiastically recommend their services for SF backflow testing. They were exceptionally prompt and efficient, even offering to visit on the same or next day. Not only did they complete the job quickly, but they also provided their services at a remarkably fair price. I greatly appreciate their professionalism, and without a doubt, I will choose to hire them again in the future.

I needed backflow testing and C&L were able to come out the next day and take care of things quickly and easily. While here, Allen made some recommendations that will improve our plumbing and other water-based systems and was really easy to work with and quite helpful. He was professional, patient, and was able to answer any questions we threw at him. I would recommend this business for anything they can provide and will certainly be a repeat customer.

I will use C&L Plumbing every year when I need my sprinkler system to be inspected. Allen called me a minute right after I asked for a yelp quote. His pricing is GREAT! I needed service asap because my due date was in a week. He was able to schedule me the next day. Allen was nice, arrived on time and accommodating.

We needed an annual backflow test on short notice after our usual guy canceled on us last minute. Great service and extremely responsive with our scheduling needs. Cantonese speaking was a plus. Will be rescheduling with Allen next year!

I would first like to say thank you to Allen from C&L Plumbing for resolving my back flow situation so quickly and professionally. I would definitely recommend him to anyone that requires back flow service.

Recently, I was notified to get my back flow tested for my building. I found C&L Plumbing on Yelp and gave the number a call. Allen responded promptly and was very professional about what service needed to be done. He was able to complete the job with ease and even gave me a discount which was fantastic.

I received notice from the city on doing a backflow test. Not knowing what this was, but was referred to C&L by a relative, Allen took care of everything from beginning to end. Allen was efficient and made the process easy as he took care of all the paper work. He is responsive and on-time. Thanks Allen! I will use your service again in the future.

Needed to get an inspection done on our backflow valve and was recommended by our family plumber to Allen at C&L, gave him a call and got a response in a quick and timely manner. I let him know what needed to be done, and he told me when he can come out and take a look. He came by at our scheduled time and took care of the inspection quickly. Efficiency is always appreciated.

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