BackflowtechNY provides professional backflow testing and backflow device repair services for both commercial and residential clients throughout Nassau and Suffolk County New York prices range between $65 and $75. depending on location… With over 25 years of hands-on experience in pipeline and underground utility installation, we bring a deep understanding of public water systems and cross-connection control to every job. As a New York State–certified backflow tester, BackflowtechNY helps clients remain fully compliant with all public water system rules, regulations, and New York State Department of Health requirements. Our focus is on accurate testing, code-compliant repairs, and dependable service that protects water quality.