John Harker Plumbing LLC, Fort Wayne, IN: Backflow Testing

Approvals

✓ On the City of Fort Wayne list Phone matches its Google profile

City of Fort Wayne backflow tester business listing, as of March 3, 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 (260) 625-6367 More testers in Indiana

Where you will find John Harker Plumbing LLC

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

Other backflow testers nearby

Business	Services	Distance
Precision Mechanical Contractors	Backflow Testing	4 mi
Superior Enterprise, INC	Backflow Testing	5 mi
D&M Mechanical Contractors Inc	Backflow Testing	5 mi
Power Plant Service	Backflow Testing	5 mi
EJ Prescott	Backflow Testing	5 mi
Fire Protection Inc	Backflow Testing	6 mi

Questions about John Harker Plumbing LLC

Is John Harker Plumbing LLC approved to test backflow assemblies?

John Harker Plumbing LLC is on the City of Fort Wayne list, as of March 3, 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 John Harker Plumbing LLC do?

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

What areas does John Harker Plumbing LLC serve?

They are based in Fort Wayne, Indiana, within driving distance of Fort Wayne, Columbia City, New Haven, Ossian, Huntington. Service areas are set by the business, so confirm yours when you call.

How do I reach John Harker Plumbing LLC?

Call (260) 625-6367.

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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