We safeguard water resources at Chicago Backflow, Inc. (CBI) through expert backflow testing, repair, installation, and emergency services. Our unmatched attention to detail, commitment to professionalism, and industry-leading expertise ensure that we provide exceptional service 24/7. This sets us apart from the average backflow testing company. Founded as a family-owned business, CBI continues to operate with the same values, and today, YOU are part of our growing backflow family in Illinois and Indiana.

When it comes to your backflow preventer, whether it needs cleaning or isn’t working properly, many plumbers may lack the expertise to diagnose or fix the issue properly—if they even spot it at all! That’s never the case with Chicago Backflow. When you schedule your backflow test and certification with CBI, you’re guaranteed a fully licensed inspector specializing exclusively in testing, certifying, repairing, and installing backflow preventers. Our team comprises licensed CCCDI inspectors covering the greater Chicago metropolitan area and Northwest Indiana. We believe in growing together and treating our team with respect—these principles are at the core of our company’s foundation and guide how we operate each day in the backflow testing industry.

With over 50 years of combined experience in backflow and operations, our office staff is simply the best in the business! We field thousands of inquiries every year with expertise, professionalism, and a touch of humor thrown in for good measure. When you reach out to Chicago Backflow by phone or email, you’re connecting with someone who genuinely cares about resolving your backflow needs promptly and efficiently.

Supporting each of our backflow inspectors is a full office staff of the most experienced group in the industry. We believe in interacting and resolving any problems that come up without running you through automated menus or outsourced representatives. The philosophy of maintaining the relationships with our clientele and providing a collection of talented individuals pulling together to harmonize in protecting our drinking water, has not changed, even as technology has advanced. We are dedicated to achieving optimal results by providing only the best support and inspectors for our services which are available 24 hours a day, 7 days a week.  Holding to these standards, our attention to detail, and working to protect our water resources over the years, has allowed us to build the trust needed to grow our business into the premier backflow testing company in the country.