example photos
Contact Us
You can call us at 425.427.8889 or use the contact form to send an email




Certified Backflow Testing, Inc. has been testing and repairing backflow assemblies since 2001. We submit all test reports to the water purveyors electronically, and then provide the customer with a copy for their records. Our goal is to make the annual testing process simple and uncomplicated for our customers!
Our coverage area is primarily the eastside of Lake Washington including Sammamish, Issaquah, Bellevue, Kirkland, Redmond, Newcastle, and Renton
You can call us at 425.427.8889 or use the contact form to send an email