Backflow Testing Services in McLean, Virginia
Finding a reliable backflow testing professional in McLean, Virginia is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 24 backflow testing companies serving McLean and surrounding communities including Jefferson, Arlington, Annandale.
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 McLean area.
Most water authorities in Virginia 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 McLean 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.
13 listed providers

ABCO Plumbing Company LLC
Testing Verified · Vienna, VA · 3 mi

Pioneer Plumbers
Testing Verified · Fairfax, VA · 9 mi
Sertec LLC
Testing Verified · Alexandria, VA · 10 mi
O'Neill Plumbing Services L.L.C.
Alexandria, VA · 10 mi

Baumbach Plumbing & Remodeling services llc
Testing Verified · Fairfax Station, VA · 13 mi
“This company lives up to the high rating on Google. Around 9pm I had a busted pipe in my basement, no hot water. A quick Google search later, I chose to call Baumbach’s based on the reviews. Andy…”
Read more on Google
Back Flow Services Done Right
Testing Verified · FX STATION, VA · 13 mi
“Andy handled our backflow repairs fast! He communicated every step of the repair and was a true professional. If you are looking for a plumbing contractor that takes pride in his work this is the…”
Read more on Google
F.H. Furr Plumbing, Heating, Air Conditioning & Electrical
Lorton, VA · 14 mi
Backflow Technology, LLC
Testing Verified · Ashburn, VA · 16 mi
Hydro-Tech, Co.
Testing Verified · Sterling, VA · 17 mi
“Our experience with Hydrotech was one of the best relationships we have had in our recent large-scale landscaping project. We had a challenging, low-output well system that required real…”
Read more on GoogleBG Outdoor Services
Testing Verified · Sterling, VA · 18 mi
Helpful resources
Frequently Asked Questions About Backflow Testing in McLean
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 Virginia 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 McLean 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 McLean 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.
Backflow testing in McLean, Virginia typically costs between $50 and $200 per device, depending on the type of backflow preventer and the complexity of the installation. RPZ assemblies generally cost more to test than double check valve assemblies. Contact providers listed above for current pricing in the McLean area.
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