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Backflow Testing Services in Alexandria, Virginia

Finding a reliable backflow testing professional in Alexandria, Virginia is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 22 backflow testing companies serving Alexandria and surrounding communities including City of Alexandria, Arlington, Springfield.

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 Alexandria 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 Alexandria 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.

10 listed providers

Services:
The Secret Plumber backflow testing
2 mi

The Secret Plumber

No reviews yet

Alexandria, VA · 2 mi

CommercialEmergency ServiceSame Day Service
Website
O'Neill Plumbing Services L.L.C. backflow testing
4 mi

O'Neill Plumbing Services L.L.C.

4.7(258)

Alexandria, VA · 4 mi

CommercialEmergency ServiceFree Estimates
Website
Sertec LLC backflow testing
Testing Verified
4 mi

Sertec LLC

3.1(18)

Testing Verified · Alexandria, VA · 4 mi

Backflow TestingEmergency ServiceSame Day Service
Website
Cherry Blossom Plumbing backflow testing
8 mi

Cherry Blossom Plumbing

4.9(463)

Arlington, VA · 8 mi

Emergency Service
Website
F.H. Furr Plumbing, Heating, Air Conditioning & Electrical backflow testing
10 mi

F.H. Furr Plumbing, Heating, Air Conditioning & Electrical

4.7(4,533)

Lorton, VA · 10 mi

Same Day Service
Website
M.E. Flow backflow testing
Testing Verified
10 mi

M.E. Flow

4.7(1,169)

Testing Verified · Lorton, VA · 10 mi

Backflow TestingCommercialEmergency Service
Website
Pioneer Plumbers backflow testing
Testing Verified
12 mi

Pioneer Plumbers

5.0(96)

Testing Verified · Fairfax, VA · 12 mi

Backflow TestingPreventer RepairEmergency Service
Website
ABCO Plumbing Company LLC backflow testing
Testing Verified
13 mi

ABCO Plumbing Company LLC

4.9(37)

Testing Verified · Vienna, VA · 13 mi

Backflow TestingEmergency Service
Website
Back Flow Services Done Right backflow testing
Testing Verified
16 mi

Back Flow Services Done Right

5.0(12)

Testing Verified · FX STATION, VA · 16 mi

Backflow Testing

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
Website
Baumbach Plumbing & Remodeling services llc backflow testing
Testing Verified
16 mi

Baumbach Plumbing & Remodeling services llc

4.9(113)

Testing Verified · Fairfax Station, VA · 16 mi

Backflow TestingResidentialEmergency Service

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
Website

Frequently Asked Questions About Backflow Testing in Alexandria

Many certified backflow testers in Alexandria 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 Alexandria, 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 Alexandria area.

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 Alexandria 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 Virginia require cross-connection control programs for commercial properties and irrigation systems.

Many municipalities in Virginia require annual backflow testing for commercial and residential properties with backflow prevention devices. Your local water authority in Alexandria can confirm the exact testing schedule and deadlines for your area. Failing to test on time may result in fines or water service interruption.

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