Backflow Testing Services in Yonkers, New York
Finding a reliable backflow testing professional in Yonkers, New York is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 49 backflow testing companies serving Yonkers and surrounding communities including Mount Vernon, The Bronx, New Rochelle.
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 Yonkers 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 Yonkers 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.
49 listed providers
Pro Boyz Drain Cleaning and Plumbing Services Inc.
Yonkers, NY · 2 mi
C. C. Controlled Combustion Co. Inc.
Bronx, NY · 5 mi
J&J Backflow Device Testers Inc.
Testing Verified · New Rochelle, NY · 7 mi

Guardian Backflow Testing LLC
Testing Verified · Larchmont, NY · 7 mi


VEPO Solutions
Astoria, NY · 11 mi
“Had the opportunity to come across a hardworking gentleman by the named of Alvo. He was the most respectful person ever. We exchanged info to learn he was from Jamaica and gave me some great vacation…”
Read more on Google
Backflow Prevention of New York, LLC
Astoria, NY · 11 mi

Systems 2000
Testing Verified · New York, NY · 11 mi
123BackFlowTesting
No reviews yet
Testing Verified · Astoria, NY · 12 mi


Neo Plumbing & Heating Corp
Testing Verified · New York, NY · 13 mi

Kruger's Training Academy
Testing Verified · New York, NY · 15 mi
“EXCEPTIONAL TRAINING EXPERIENCE! I recently completed the Backflow Preventer course with Kruger Training Academy, and I'm thoroughly impressed! The instructor, Dustin Kruger, is knowledgeable…”
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Bluewater Plumbing, Heating and Air Conditioning
No reviews yet
Middle Village, NY · 15 mi


A Real Good Plumber, Inc.
Testing Verified · Brooklyn, NY · 15 mi
Maxwell Plumb Mechanical Corp.
Testing Verified · Glendale, NY · 16 mi
Fulton Street Plumbing and Heating
No reviews yet
Testing Verified · Brooklyn, NY · 17 mi

Harris Water Main & Sewer Contractors
Brooklyn, NY · 18 mi
“Two weeks ago, on January 13, my sewer line broke. Roto-rooter charged me over $2,200 just to diagnose the problem, and then they wanted another $34,000 to replace it. They were only going to…”
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Order A Plumber Inc.
Testing Verified · Brooklyn, NY · 18 mi


Long Island Backflow Testing
Testing Verified · Mineola, NY · 18 mi
“I just hired Long Island BackFlow Test to inspect our buildings backflow. I received a letter from the city and needed to handle my situation immediately. They were quick returning my call making…”
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AAA Backflow Certification of NY, LLC.
Testing Verified · New Hyde Park, NY · 18 mi

Helpful resources
Frequently Asked Questions About Backflow Testing in Yonkers
If a backflow preventer fails its annual test, the certified tester will diagnose the issue — often a worn check valve, damaged disc, or fouled relief valve. Most testers in Yonkers can repair the device on site and re-test it the same day. Your water authority may require the passing report within a set deadline.
Cross-connection control prevents contaminated water from flowing backwards into the clean water supply. Backflow prevention devices are installed at cross-connection points to protect public health. Regular testing ensures these devices function properly. Many municipalities in New York require cross-connection control programs for commercial properties and irrigation systems.
Many municipalities in New York require annual backflow testing for commercial and residential properties with backflow prevention devices. Your local water authority in Yonkers can confirm the exact testing schedule and deadlines for your area. Failing to test on time may result in fines or water service interruption.
Some certified testers near Yonkers offer same-day or emergency scheduling for urgent situations such as a failed device, a compliance deadline, or a new construction inspection. Check individual provider listings above for availability, or request a quote to find a tester who can accommodate your schedule.
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 Yonkers with real customer reviews.
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