MPM Plumbing, Gaithersburg, MD: Backflow Testing

Approvals

✓ On the City of Rockville list Phone matches its Google profile

City of Rockville certified backflow prevention testers, as of July 17, 2026. Being on this list means the utility lets the company file backflow test reports in its water system; it is not a state license.

Ask for the certificate number of the tester who will do your test, and check that your own water utility accepts reports from this company.

Call (301) 208-8362 Visit website More testers in Maryland

Price reports

What a backflow test costs in Gaithersburg

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Published prices nationwide

$29.99 to $100 per assembly

$0$25$50$75$100$125

Based on 14 published prices · Read Oct 2026 Prices testing businesses list on their own websites, from our cost guide. Listed prices, not what people paid.

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.

Where you will find MPM Plumbing

These are the city pages close enough for this business to appear on.

Other backflow testers nearby

Business	Services	Distance
James A Wheat & Sons	Backflow Testing	under 1 mi
Harvey W. Hottel	Backflow Testing	under 1 mi
Robert A. Tull, Inc.	Backflow Testing	1 mi
Gaithersburg Plumbing, Inc.	Backflow Testing	1 mi
Maryland Plumbing and Heating	Backflow Testing	1 mi
The Drain Guys	Backflow Testing	1 mi

Questions about MPM Plumbing

Is MPM Plumbing approved to test backflow assemblies?

MPM 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 MPM Plumbing do?

Their listing covers backflow testing. Call to confirm the service you need, because offerings change.

What areas does MPM Plumbing serve?

They are based in Gaithersburg, Maryland, within driving distance of Gaithersburg, Rockville, Silver Spring, Beltsville, Columbia. Service areas are set by the business, so confirm yours when you call.

How do I reach MPM Plumbing?

Call (301) 208-8362. 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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