O'Conor Plumbing Services, LLC
Backflow testing. 19301 Mateny Hill Rd, Germantown, MD 20874
Approvals
Where you will find O'Conor Plumbing Services, LLC
These are the city pages close enough for this business to appear on.
- Gaithersburg, MD(6 mi)
- Rockville, MD(10 mi)
- Silver Spring, MD(17 mi)
- Beltsville, MD(22 mi)
- Washington, DC(22 mi)
- Hyattsville, MD(26 mi)
- Alexandria, VA(27 mi)
- Upper Marlboro, MD(35 mi)
Other backflow testers nearby
| Business | Services | Distance |
|---|---|---|
| Master Plumbing & Mechanical | Backflow Testing | 6 mi |
| James A Wheat & Sons | Backflow Testing | 6 mi |
| Mallick Plumbing & Heating, Inc | Backflow Testing | 6 mi |
| Harvey W. Hottel | Backflow Testing | 6 mi |
| JF Plumbing & Heating | Backflow Testing | 7 mi |
| Delmar Plumbing, LLC | Backflow Testing | 8 mi |
Questions about O'Conor Plumbing Services, LLC
Is O'Conor Plumbing Services, LLC approved to test backflow assemblies?
O'Conor Plumbing Services, LLC is on the DC Water list, as of September 29, 2026. That means the utility lets the company file backflow test reports in its system; it is not a state license. Ask for the tester's certificate number before the test.
What does O'Conor Plumbing Services, LLC do?
Their listing covers backflow testing. Call to confirm the service you need, because offerings change.
What areas does O'Conor Plumbing Services, LLC serve?
They are based in Germantown, Maryland, within driving distance of Gaithersburg, Rockville, Silver Spring, Beltsville, Washington. Service areas are set by the business, so confirm yours when you call.
How do I reach O'Conor Plumbing Services, LLC?
Call (301) 540-5050. Their website is linked on this page.
Is this your business?
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