Backflow Testing Services in Commack, New York
Finding a reliable backflow testing professional in Commack, New York is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 173 backflow testing companies serving Commack and surrounding communities including Dix Hills, Smithtown, Brentwood.
Whether you need annual backflow testing, RPZ (Reduced Pressure Zone) valve inspection, or cross-connection control services, the providers listed below offer professional testing services for both residential and commercial properties throughout the Commack area.
Most water authorities in New York require annual testing and reporting for all backflow prevention assemblies. A certified backflow tester will inspect your devices, perform the required differential pressure tests, and file compliance reports with your local water authority.
Browse the listings below to compare ratings, read customer reviews, and contact backflow testing professionals near Commack directly. Use the filters above to narrow results by rating, review count, or specific services like RPZ testing and preventer installation.
Data source: Google Maps. Always verify licensing with your local water authority.
169 listed providers(173 total · filtered to verified testers only — show all)
Jr. Robert F. Herber
No reviews yet
Testing Verified · Bay Shore, NY · 9 mi
Pedro Hernandez
No reviews yet
Testing Verified · Bay Shore, NY · 9 mi
Christopher W. Lynch
No reviews yet
Testing Verified · Bay Shore, NY · 9 mi
Anthony J. Sblendorio
No reviews yet
Testing Verified · Bay Shore, NY · 9 mi
Frederick M. Kurz
No reviews yet
Testing Verified · Bay Shore, NY · 9 mi
Michael Donohue
No reviews yet
Testing Verified · Bay Shore, NY · 9 mi
David Martinez
No reviews yet
Testing Verified · West Babylon, NY · 9 mi
Dean A. Gustafson
No reviews yet
Testing Verified · West Babylon, NY · 9 mi
Kevin M. Orrigo
No reviews yet
Testing Verified · West Babylon, NY · 9 mi
Matthew J. Bruno
No reviews yet
Testing Verified · West Babylon, NY · 9 mi
Michael A. Tristano
No reviews yet
Testing Verified · West Babylon, NY · 9 mi
Carlton Lewis
No reviews yet
Testing Verified · West Babylon, NY · 9 mi
Robert J. Upton
No reviews yet
Testing Verified · West Babylon, NY · 9 mi
Sean E. White
No reviews yet
Testing Verified · West Babylon, NY · 9 mi
Eric J. Pomilio
No reviews yet
Testing Verified · West Babylon, NY · 9 mi
John J. Borrelli
No reviews yet
Testing Verified · West Babylon, NY · 9 mi
Matthew S. Stanton
No reviews yet
Testing Verified · West Islip, NY · 9 mi
Anthony Tristano
No reviews yet
Testing Verified · West Islip, NY · 9 mi
Layla S. Gutierrez
No reviews yet
Testing Verified · West Islip, NY · 9 mi
Kenneth J. Gordon
No reviews yet
Testing Verified · West Islip, NY · 9 mi
Stephen Ognibene
No reviews yet
Testing Verified · West Islip, NY · 9 mi
Thomas R. Defazio
No reviews yet
Testing Verified · West Islip, NY · 9 mi
Michael J. Dowling
No reviews yet
Testing Verified · West Islip, NY · 9 mi
Darryl M. Lehr
No reviews yet
Testing Verified · West Islip, NY · 9 mi
John L. Speciale
No reviews yet
Testing Verified · Centereach, NY · 10 mi
Nelson Reyes
No reviews yet
Testing Verified · Centereach, NY · 10 mi
Thomas P. Keffel
No reviews yet
Testing Verified · Centereach, NY · 10 mi
Randy Orta
No reviews yet
Testing Verified · Centereach, NY · 10 mi
Robert Macgregor
No reviews yet
Testing Verified · Centereach, NY · 10 mi
Frederick J. Biamonte
No reviews yet
Testing Verified · Plainview, NY · 10 mi
Christopher F. Lyon
No reviews yet
Testing Verified · Holbrook, NY · 11 mi
Salvatore M. Sinacore
No reviews yet
Testing Verified · Holbrook, NY · 11 mi
Matthew J. Leshinger
No reviews yet
Testing Verified · Holbrook, NY · 11 mi
William G. Boehl Jr.
No reviews yet
Testing Verified · Holbrook, NY · 11 mi
Richard Cassidy
No reviews yet
Testing Verified · Holbrook, NY · 11 mi
Christophper C. Oliveri
No reviews yet
Testing Verified · Holbrook, NY · 11 mi
Terrance S. Chapman
No reviews yet
Testing Verified · Holbrook, NY · 11 mi
Martin H. Smith
No reviews yet
Testing Verified · Lindenhurst, NY · 12 mi
Walter De Jesus Henriquez
No reviews yet
Testing Verified · Lindenhurst, NY · 12 mi
Grzegorz Liwak
No reviews yet
Testing Verified · Lindenhurst, NY · 12 mi
John A. Bifolco
No reviews yet
Testing Verified · Lindenhurst, NY · 12 mi
Iii Jerome Garraffa
No reviews yet
Testing Verified · Lindenhurst, NY · 12 mi
Nicholas Gragnano
No reviews yet
Testing Verified · Lindenhurst, NY · 12 mi
Kevin S. Arriola
No reviews yet
Testing Verified · Lindenhurst, NY · 12 mi
John W. Maglione
No reviews yet
Testing Verified · Lindenhurst, NY · 12 mi
Michael A. Mellina
No reviews yet
Testing Verified · Lindenhurst, NY · 12 mi
Iii John Ortiz
No reviews yet
Testing Verified · Lindenhurst, NY · 12 mi
Peter L. Fouchet
No reviews yet
Testing Verified · Hicksville, NY · 13 mi
Helpful resources
Frequently Asked Questions About Backflow Testing in Commack
Look for testers with active state certification, strong Google reviews, and experience with your type of backflow preventer (PVB, DCVA, or RPZ). Ask whether they file compliance reports with your local water authority and request a written estimate before scheduling. Our directory lists testers near Commack with real customer reviews.
RPZ (Reduced Pressure Zone) testing verifies that your reduced pressure backflow preventer is functioning correctly to protect your water supply from contamination. A certified tester uses specialized gauges to measure differential pressures across the assembly. RPZ devices are typically required for high-hazard connections.
Most jurisdictions in New York require backflow testers to hold a current certification from an approved training program, typically involving classroom instruction, a hands-on practical exam, and continuing education credits. Some municipalities maintain their own approved-tester lists. Always verify certification before hiring.
Residential tests typically involve a single PVB or DCVA device and are quicker to complete. Commercial properties in Commack often have multiple assemblies, RPZ devices, and fire-line backflow preventers that require more time and specialized equipment. Pricing and scheduling may differ for each type.
Many certified backflow testers in Commack will file test reports directly with your local water authority or municipality on your behalf. Confirm this with your provider before scheduling. Some jurisdictions require the property owner to submit reports, while others accept direct submissions from the tester.
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