Warner Super Services, Inc., Oxon Hill, MD: Backflow Testing

Certification

✓ On Maryland's certified backflow tester roster ✓ On the WSSC Water list Phone matches its Google profile

WSSC Water plumbing firms providing cross-connection related services, as of July 8, 2026. This is the state board's list of certified backflow testers.

From the WSSC Water roster, read October 6, 2026. The roster lists people, not companies; these are the certified testers it lists for this business. Ask which tester will do your test, and your utility may also require the tester to be registered with it.

Call (301) 567-2001 Visit website More testers in Maryland

Price reports

What a backflow test costs in Oxon Hill

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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.

What Warner Super Services, Inc.'s website says

Services listed on Warner Super Services, Inc.'s website, read October 11, 2026: general plumbing, water heaters and drain and sewer service. warnersuperservice.com

It says	Details	Page
Service area	Charles County; Fort Washington, Accokeek, Bryans Road, Oxon Hill, Temple Hills, Upper Marlboro, Waldorf, La Plata, College Park, Clinton, Cheverly and District Heights	warnersuperservice.com
Emergency service	Offered, it says (hours not stated)	warnersuperservice.com/ac-company

Read on warnersuperservice.com on October 11, 2026 (5 pages). This is what the business says about itself.

Where you will find Warner Super Services, Inc.

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

Other backflow testers nearby

Business	Services	Distance
Water Management, Inc	Backflow Testing	7 mi
Kelly HVAC Inc.	Backflow Testing	8 mi
W. L. Gary Company, Inc	Backflow Testing	8 mi
AH Jordan Plumbing & Mechanical	Backflow Testing	9 mi
A&E Plumbing Inc	Backflow Testing	9 mi
American Boiler, Inc.	Backflow Testing	9 mi

Questions about Warner Super Services, Inc.

Is Warner Super Services, Inc. licensed?

Yes. Maryland records showed an active certificate when we last checked in Oct 2026. Ask to see it before work starts, since a certificate can lapse between checks.

What does Warner Super Services, Inc. do?

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

What areas does Warner Super Services, Inc. serve?

They are based in Oxon Hill, Maryland, within driving distance of Alexandria, Washington, Hyattsville, Waldorf, Upper Marlboro. Its website names Charles County and Fort Washington, Accokeek, Bryans Road, Oxon Hill, Temple Hills and Upper Marlboro and 6 more places as areas it serves (read October 11, 2026).

How do I reach Warner Super Services, Inc.?

Call (301) 567-2001. 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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