I ordered a new cast iron kitchen sink, faucet and garbage disposal from Home Depot. At my request, Home Depot contacted one of their trusted plumbing companies, D W Bahr Plumbing and Heating…

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K.S.

K.S.07/10/2025

Requested a consultation through Home depot around 730 am and got a call back from Bahr Plumbing services right after 8 am. Explained my issues with my hot water heater- Erica was understanding and…

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D.B.

D.B.09/22/2025

D W Bahr installed our new hot water heater purchased through Home Depot, as the designated professional installer. Usually I'd be hesitant to use a store's service, but DW Bahr's reviews looked…

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M.12/12/2025

My elec hot water heater was falling on a Thursday. I reached out to HomeDepot service and was connected to D.W. Bahr. I called Erica and within 10 minutes, she provided me a quote on the phone and…

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Backflow Testing in Baltimore, Maryland

D W Bahr Plumbing & Heating Co provides professional backflow prevention testing services in Baltimore, Maryland. Annual backflow testing is required by most water utilities to protect public water supplies from contamination through cross-connection control compliance. Their services include commercial, residential, emergency service, serving both residential and commercial properties throughout the Baltimore area.

Whether you need a routine RPZ valve inspection, backflow prevention device testing, or a certified tester to file compliance reports with your local water authority,D W Bahr Plumbing & Heating Co can help. Homeowners, HOAs, and property managers can request a free quote using the form on this page.