Reliable Plumbing
Backflow testing. 21509 Ripplemead Dr, Gaithersburg, MD 20882
Approvals
Price reports
What a backflow test costs in Gaithersburg
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Published prices nationwide
$29.99 to $100 per assembly
Every published price, with its source: what a backflow test costs.
Failed test? Published repair, rebuild and replacement prices: what a backflow repair or replacement costs.
What Reliable Plumbing's website says
Services listed on Reliable Plumbing's website, read October 11, 2026: water heaters and drain and sewer service. mdplumbingheating.com
| It says | Details | Page |
|---|---|---|
| Emergency service | Offered, it says (hours not stated) | mdplumbingheating.com |
Read on mdplumbingheating.com on October 11, 2026 (1 page). This is what the business says about itself.
Where you will find Reliable Plumbing
These are the city pages close enough for this business to appear on.
- Gaithersburg, MD(4 mi)
- Rockville, MD(9 mi)
- Silver Spring, MD(13 mi)
- Columbia, MD(14 mi)
- Beltsville, MD(15 mi)
- Jessup, MD(16 mi)
- Washington, DC(20 mi)
- Frederick, MD(21 mi)
Other backflow testers nearby
| Business | Services | Distance |
|---|---|---|
| Grinnan Plumbing & Heating LLC | Backflow Testing | 1 mi |
| Mallick Plumbing & Heating, Inc | Backflow Testing | 4 mi |
| Robert A. Tull, Inc. | Backflow Testing | 4 mi |
| Harvey W. Hottel | Backflow Testing | 4 mi |
| Gaithersburg Plumbing, Inc. | Backflow Testing | 4 mi |
| Master Plumbing & Mechanical | Backflow Testing | 4 mi |
Questions about Reliable Plumbing
Is Reliable Plumbing approved to test backflow assemblies?
Reliable Plumbing is on the City of Rockville list, as of July 17, 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 Reliable Plumbing do?
Their listing covers backflow testing. Call to confirm the service you need, because offerings change.
What areas does Reliable Plumbing serve?
They are based in Gaithersburg, Maryland, within driving distance of Gaithersburg, Rockville, Silver Spring, Columbia, Beltsville. Service areas are set by the business, so confirm yours when you call.
How do I reach Reliable Plumbing?
Call (301) 948-1991. Their website is linked on this page.
Compiled from public records and public business information. Not an endorsement. Check licensing before you hire.
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