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Licensed plumbers in Sierra Madre, CA
3 plumbing contractors with a CSLB C-36 license list a business address in Sierra Madre (Los Angeles County). A listing is not an endorsement.
Guides: Water heater installation in California · How to hire a plumber in California · What a C-36 plumbing license covers
Listings are CSLB C-36 Plumbing licences in the file downloaded November 4, 2026. Confirm a license is current on the CSLB license check before hiring.
| Business | Phone | License # | Expires |
|---|---|---|---|
| Delman Plumbing Inc. | (626) 827-0728 | 757484 | 06/30/2028 |
| G E M Plumbing Inc. | (626) 355-3496 | 111308 | 08/31/2027 |
| Sewertec | (626) 203-1493 | 971212 | 03/31/2028 |