At Guardian Backflow Testing LLC, we’re proud to offer professional backflow testing, repair, and certification services throughout Chappaqua, NY, and all of Westchester County. With over 35 years of experience, our certified and insured technicians deliver fast, reliable inspections — including annual testing of RPZ, DCV, and PVB devices — and handle the documentation and submission to your local water authority at no extra charge.
We truly love the history and charm of Chappaqua — its tree-lined streets, historic landmarks, and welcoming small-town character are part of what makes servicing this area so fulfilling. Protecting your water supply isn’t just our job, it’s our passion. We guarantee the lowest testing prices in the region, offer 24/7 availability with no after-hours fees, and treat every homeowner, business, and property manager in Chappaqua with honesty, care, and attention to detail.
Whether you’re scheduling annual compliance testing or need emergency backflow service, you can count on us to keep your water system safe, compliant, and functioning properly — because we believe that maintaining the quality of Chappaqua’s water is at the heart of what we do.