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Backflow Testing Services in Cambridge, Massachusetts

Finding a reliable backflow testing professional in Cambridge, Massachusetts is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 11 backflow testing companies serving Cambridge and surrounding communities including Somerville, Boston, Medford.

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 Cambridge area.

Most water authorities in Massachusetts 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 Cambridge 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.

11 listed providers

Services:
Roto-Rooter Plumbing & Water Cleanup backflow testing
3 mi

Roto-Rooter Plumbing & Water Cleanup

4.8(3,023)

Boston, MA · 3 mi

CommercialResidentialEmergency Service
Website
Winters Home Services backflow testing
Testing Verified
3 mi

Winters Home Services

4.8(2,867)

Testing Verified · Watertown, MA · 3 mi

Backflow TestingEmergency Service
Website
Akian Plumbing, Heating, Cooling & Electric backflow testing
5 mi

Akian Plumbing, Heating, Cooling & Electric

4.8(1,651)

Watertown, MA · 5 mi

ResidentialEmergency Service
Website
Yellow Dog Plumbing, Heating & Cooling backflow testing
Testing Verified
8 mi

Yellow Dog Plumbing, Heating & Cooling

5.0(263)

Testing Verified · Needham, MA · 8 mi

Backflow TestingCommercialEmergency Service
Website
PP
8 mi

Power Plumbing

4.7(22)

Milton, MA · 8 mi

CommercialResidentialEmergency Service
Website
Iovino Plumbing, Heating, and Cooling backflow testing
13 mi

Iovino Plumbing, Heating, and Cooling

5.0(90)

Bedford, MA · 13 mi

Preventer InstallationCommercialResidential
Website
HL Bowman Inc Plumbing Heating & AC backflow testing
Testing Verified
13 mi

HL Bowman Inc Plumbing Heating & AC

4.8(1,027)

Testing Verified · Braintree, MA · 13 mi

Backflow TestingEmergency Service
Website
Monkey Wrench Plumbing and Heating backflow testing
15 mi

Monkey Wrench Plumbing and Heating

5.0(69)

Salem, MA · 15 mi

Preventer Repair
Website
Landry Mechanical Inc Plumbing HVAC & Electric backflow testing
18 mi

Landry Mechanical Inc Plumbing HVAC & Electric

4.8(581)

Framingham, MA · 18 mi

CommercialResidentialEmergency Service
Website
Flaherty Plumbing & HVAC backflow testing
Testing Verified
18 mi

Flaherty Plumbing & HVAC

4.6(235)

Testing Verified · Framingham, MA · 18 mi

Backflow TestingCommercialResidential
Website
Shahood Plumbing & Heating backflow testing
19 mi

Shahood Plumbing & Heating

4.7(204)

Framingham, MA · 19 mi

Backflow TestingCommercialResidential

I recently had the pleasure of working with Mark and his team for several plumbing projects, including the installation of new water heaters and the maintenance of our heating and cooling systems. I…

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Frequently Asked Questions About Backflow Testing in Cambridge

Some certified testers near Cambridge 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 Cambridge 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 Massachusetts 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 Cambridge 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.

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