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Professional Certified Backflow Testing in the DMV

Protect your water supply with certified backflow testing from G.A. Eberly Plumbing & Heating in Clinton, MD. Since 1909, we’ve helped homes and businesses across Washington, DC, Maryland, and Virginia stay compliant and safe. Our licensed technicians test, repair, and replace backflow prevention devices to ensure clean, uncontaminated water flows where it should. As a family-owned, bonded, and insured company, we’re proud to deliver dependable service backed by over a century of expertise. Trust our certified team to keep your plumbing system secure and your property up to code throughout the DMV.

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Why Choose G.A. Eberly Plumbing & Heating for Certified Backflow Testing?

G.A. Eberly offers professional Certified Backflow Testing services backed by decades of experience in the DMV region. Here's what makes them your go-to experts:
  • Reliable, fast, and courteous technicians
  • Advanced tools and solutions tailored to the job
  • Emergency and routine service options
  • Residential and commercial coverage
  • Upfront pricing and trusted workmanship
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40+ Years of Experience in Certified Backflow Testing

Established in 1970, G.A. Eberly is one of the most established names in the DMV. So when it comes to Certified Backflow Testing we’ve seen it all—and fixed it all. Our long-standing history means you’re getting a team with deep expertise, local knowledge, and proven reliability.
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Licensed. Bonded. Insured.

When you contact G.A. Eberly Plumbing & Heating for Certified Backflow Testing, you can rest assured knowing our plumbing professionals are licensed, bonded and insured. Our experience is also backed by high levels of training.
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All Our Certified Backflow Testing Jobs Are Supervised by a Master Technician

Our clean, respectful team works under the supervision of a Master Technician, ensuring fast, accurate solutions to your Certified Backflow Testing issues. We treat every customer like family and take pride in doing the job right the first time.
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Local. Personal. Professional.

When you call G.A. Eberly Plumbing & Heating for your Certified Backflow Testing issues, you’re not dealing with a call center or a big-box chain—you’re speaking with a real person from our team who knows your neighborhood and values your time.
Service You Can Trust!
Let us know how we can help you today.


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Residential & Commercial Services

Whether you need a new plumbing installation or a fast, reliable emergency repair, G.A. Eberly Plumbing & Heating is here to help. We proudly serve both residential and commercial clients across Maryland, D.C., and Northern Virginia—delivering trusted solutions with unmatched professionalism.

Plumbing
Leak Detection Drain Cleaning Sewer Line Repair All Plumbing Services
Heating
Radiators & Baseboard Heaters Gas Line Installation Thermostat Repair All Heating Services
Water Heaters
Tankless Water Heater Install Water Heater Repair Water Heater Replacement All Water Heater Services

Other plumbing Services Offered

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Plumbing

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Do you handle both residential and commercial plumbing?