BackflowNear Test-Due Reminder

Countywide Mechanical Systems

Backflow testing. 1400 N Johnson Ave, El Cajon, CA 92020

1 utility approved list
★ 3 38 Google reviews
90/100 BackflowNear score

Approvals

✓ On the City of San Diego list Phone matches its Google profile

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.

Where you will find Countywide Mechanical Systems

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

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Questions about Countywide Mechanical Systems

Is Countywide Mechanical Systems approved to test backflow assemblies?

Countywide Mechanical Systems is on the City of San Diego list, as of August 26, 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 Countywide Mechanical Systems do?

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

What areas does Countywide Mechanical Systems serve?

They are based in El Cajon, California, within driving distance of El Cajon, Santee, San Diego, Poway, Bonita. Service areas are set by the business, so confirm yours when you call.

How do I reach Countywide Mechanical Systems?

Call (619) 449-9900. Their website is linked on this page.

Is this your business?

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