Matrix
Backflow testing. 115 Mason Cir, Concord, CA 94520
Approvals
| Certified tester | Certificate | Expires |
|---|---|---|
| Ian McLaughlin | October 2028 | |
| Marc Hess | August 2028 | |
| Jeremy Watkins | December 2026 |
Where you will find Matrix
These are the city pages close enough for this business to appear on.
- Concord, CA(under 1 mi)
- Oakland, CA(19 mi)
- San Leandro, CA(21 mi)
- Pleasanton, CA(26 mi)
- Hayward, CA(26 mi)
- Sacramento, CA(49 mi)
Other backflow testers nearby
| Business | Services | Distance |
|---|---|---|
| Guerra Bros Plumbing | Backflow Testing | under 1 mi |
| Preferred Plumbing & Drain | Backflow Testing | 1 mi |
| Landscape Care, Inc | Backflow Testing | 3 mi |
| Philco Building Maint | Backflow Testing | 4 mi |
| Escos Fire and Safety | Backflow Testing | 5 mi |
| City Mechanical Inc. | Backflow Testing | 13 mi |
Questions about Matrix
Is Matrix approved to test backflow assemblies?
Matrix is on the EBMUD list, as of September 1, 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 Matrix do?
Their listing covers backflow testing. Call to confirm the service you need, because offerings change.
What areas does Matrix serve?
They are based in Concord, California, within driving distance of Concord, Oakland, San Leandro, Pleasanton, Hayward. Service areas are set by the business, so confirm yours when you call.
How do I reach Matrix?
Call (925) 459-9200. Their website is linked on this page.
Is this your business?
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