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Licensed plumbers in Castaic, CA
14 plumbing contractors with a CSLB C-36 license list a business address in Castaic (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 |
|---|---|---|---|
| Anchor-Helm Plumbing And Construction Inc. | (661) 670-9459 | 1121527 | 05/31/2028 |
| Dynaco Electric And Plumbing | (818) 941-0634 | 1116316 | 02/29/2028 |
| Ener-G Plumbing | (661) 212-0677 | 987231 | 09/30/2027 |
| L D Plumbing Services | (661) 904-0386 | 637313 | 03/31/2027 |
| Optimus HVAC & Plumbing Inc. | (818) 304-4292 | 1055837 | 08/31/2027 |
| Pedro & Alejandra Velasco | (818) 353-9369 | 764997 | 06/30/2027 |
| Pipeline Rooter And Plumbing Website | (213) 550-9941 | 848302 | 10/31/2028 |
| Plumbing Girls Inc. | (818) 688-2799 | 1017070 | 04/30/2028 |
| Presidential Drain Cleaning And Plumbing | (661) 607-3885 | 993538 | 06/30/2028 |
| Puma Plumbing LLC | (661) 400-5300 | 1040550 | 11/30/2027 |
| Safari Plumbing & Rooter Inc. | (562) 250-7097 | 992706 | 05/31/2028 |
| Save-A-Lot Water Heaters LLC | (833) 272-8325 | 1066396 | 06/30/2028 |
| The D Plumbing Co. | (818) 581-1727 | 780703 | 06/30/2028 |
| Tic Tok Plumbing Inc. | (818) 812-8814 | 1085629 | 01/31/2028 |