← Los Angeles County · All counties
Licensed plumbers in Irwindale, CA
4 plumbing contractors with a CSLB C-36 license list a business address in Irwindale (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 | Website | License # | Expires |
|---|---|---|---|---|
| Good News Plumbing & Drain Inc. | (877) 447-4737 | — | 906746 | 04/30/2027 |
| Los Angeles Plumbing & Backflow Testing Inc. | (626) 814-0818 | — | 534844 | 07/31/2027 |
| Michael G Roelle Plumbing & Fire Sprinkler Contractor Inc. | (626) 625-9452 | — | 743562 | 12/31/2027 |
| Michael G Roelle Plumbing And Fire Sprinkler Contractor | (626) 625-9452 | — | 271993 | 04/30/2028 |