Backflow Testing Services in Oak Park, Michigan
Finding a reliable backflow testing professional in Oak Park, Michigan is essential for maintaining a safe water supply and staying in compliance with local regulations. Our directory lists 41 backflow testing companies serving Oak Park and surrounding communities including Southfield, Royal Oak, Madison Heights.
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 Oak Park area.
Most water authorities in Michigan 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 Oak Park 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.
41 listed providers

Cregger Plumbing, Heating & Cooling
Testing Verified · Ferndale, MI · 3 mi

WaterWork Plumbing
Testing Verified · Ferndale, MI · 3 mi
Nelson Bros. Sewer & Plumbing
Testing Verified · Royal Oak, MI · 3 mi

WaterWork Plumbing
Testing Verified · Hazel Park, MI · 4 mi

DJ MURRAY PLUMBING INC.
Testing Verified · Royal Oak, MI · 4 mi

FLAME Heating, Cooling, Plumbing, Electrical
Warren, MI · 6 mi
Jermor Plumbing & Heating
Testing Verified · Detroit, MI · 6 mi
Precision Plumbing
Testing Verified · Troy, MI · 6 mi

Paul C. Scott & Sons Plumbing, Inc.
Testing Verified · Troy, MI · 7 mi

Emergency Drain and Plumbing, LLC
Troy, MI · 7 mi

Drain Masters Rooter & Plumbing
Sterling Heights, MI · 9 mi
Capital Plumbing
Testing Verified · Sterling Heights, MI · 9 mi
Armstrong Plumbing & Sewer Service
Warren, MI · 9 mi
Roto-Rooter Plumbing & Water Cleanup
Livonia, MI · 11 mi
Roto-Rooter Plumbing & Water Cleanup
Detroit, MI · 11 mi

Macomb Mechanical, Inc.
Testing Verified · Sterling Heights, MI · 12 mi
Bob Downey Plumbing Co. Inc.
Testing Verified · Fraser, MI · 13 mi

Z Plumberz of North America
Testing Verified · Livonia, MI · 13 mi

Putman & Sons Plumbing Inc
Testing Verified · Rochester Hills, MI · 13 mi

Complete Plumbing Services
Grosse Pointe Woods, MI · 14 mi

Lenox Plumbing, LLC
Testing Verified · Canton Township, MI · 16 mi

Universal Plumbing and Sewer
Testing Verified · Clinton Township, MI · 16 mi

Mainline Plumbing & Sewer Inc
Shelby Township, MI · 17 mi

Preventative Backflow
Testing Verified · Canton Township, MI · 17 mi
Stadler Plumbing & Heating
Testing Verified · Shelby Township, MI · 18 mi


Michigan Backflow Institute
Testing Verified · Waterford Township, MI · 20 mi

Backflow Prevention Services, LLC
Waterford Township, MI · 20 mi

Z Plumberz of Downriver
Testing Verified · Riverview, MI · 20 mi
Helpful resources
Frequently Asked Questions About Backflow Testing in Oak Park
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 Michigan 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 Oak Park 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 Oak Park 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 Oak Park, Michigan 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 Oak Park area.
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