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)
John J. Musella
No reviews yet
Testing Verified · Hicksville, NY · 13 mi
Jose F. Cueva
No reviews yet
Testing Verified · Hicksville, NY · 13 mi
James Sullivan
No reviews yet
Testing Verified · Hicksville, NY · 13 mi
James L. Henderson
No reviews yet
Testing Verified · Coram, NY · 15 mi
Scott D. Marchasin
No reviews yet
Testing Verified · Coram, NY · 15 mi
Eric P. Bertram
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Gerard J. Jonas
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Auston A. Monteforte
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Alberto Abreu
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Jeffrey M. Connelly
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Nicholas Loberto
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Jr. Jeffrey T. Connelly
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Caleb W. Giordano
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Nelson A. Galdamez
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Thomas R. Sylvester
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
George L. Heisman
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Farah A. Aziz
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Robert K. Albano
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Robert C. Volpe
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Keith R. Hengel
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
John W. Rotolo
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
John Kupencow
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
John F. Dursi
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Jairo H. Correa
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Giovanni Cervini
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Brian Strouse
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Gavin K. Allen
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Donnovan O. Castro
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Derek G. Bedia
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Cliff A. Perry
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
William A. Molldene
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Jr. Robert A. Lee
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Vincent I. Vasquez
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Thomas M. Maher
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Stephen M. Supple
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Steven R. Walters
No reviews yet
Testing Verified · East Meadow, NY · 17 mi
Richard Rodriguez
No reviews yet
Testing Verified · Glen Cove, NY · 18 mi
Roberto C. Guardado
No reviews yet
Testing Verified · Glen Cove, NY · 18 mi
Albert Lucas
No reviews yet
Testing Verified · Glen Cove, NY · 18 mi
Manuel A. Mejia
No reviews yet
Testing Verified · Glen Cove, NY · 18 mi
Michael F. Popper
No reviews yet
Testing Verified · Glen Cove, NY · 18 mi
Evangelos Diamantatos
No reviews yet
Testing Verified · Glen Cove, NY · 18 mi
Leslie J. Dow Iii
No reviews yet
Testing Verified · Glen Cove, NY · 18 mi
Gennaro Cosimo
No reviews yet
Testing Verified · Glen Cove, NY · 18 mi
Nestor G. Rivas
No reviews yet
Testing Verified · Glen Cove, NY · 18 mi
John P. Sullivan
No reviews yet
Testing Verified · Glen Cove, NY · 18 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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