Rock Hill Mechanical, Kirkwood, MO: Backflow Testing

Certification

✓ On Missouri's certified backflow tester roster Phone matches its Google profile

Certified tester	Certificate	Expires
Jeff Guilliams	13-7520	January 2028
Mark Mensio	06-1835	April 2027
Daniel J. Gantner	13-10768	January 2027
Michael Mueller II	13-10773	January 2027
Joshua J. Stefaniak	13-10775	January 2027
John H. Ritter	13-5078	January 2027
Timothy G. Kelly	13-4713	January 2027

From the Missouri Department of Natural Resources 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 (314) 966-0600 Visit website More testers in Missouri

Where you will find Rock Hill Mechanical

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

Other backflow testers nearby

Business	Services	Distance
J.E. Redington	Backflow Testing	under 1 mi
Frey Plumbing	Backflow Testing	under 1 mi
Beetz Plumbing	Backflow Testing	1 mi
Linek Plumbing	Backflow Testing	3 mi
Lawn Systems, Inc.	Backflow Testing	3 mi
Integrated Facility Services	Backflow Testing	3 mi

Questions about Rock Hill Mechanical

Is Rock Hill Mechanical licensed?

Yes. Missouri records showed an active certificate (#13-10768) when we last checked in Oct 2026. Ask to see it before work starts, since a certificate can lapse between checks.

What does Rock Hill Mechanical do?

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

What areas does Rock Hill Mechanical serve?

They are based in Kirkwood, Missouri, within driving distance of Kirkwood, Webster Groves, Fenton, St. Louis, Valley Park. Service areas are set by the business, so confirm yours when you call.

How do I reach Rock Hill Mechanical?

Call (314) 966-0600. Their website is linked on this page.

Is this your business?

Claim this listing free: add the utilities you file with, your service area and your residential test price, and get annual test-due requests from property owners.

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