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Licensed plumbers in Signal Hill, CA
15 plumbing contractors with a CSLB C-36 license list a business address in Signal Hill (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 |
|---|---|---|---|---|
| A1 Best Plumbing & Restoration | (562) 981-2636 | — | 812317 | 03/31/2028 |
| Adam Hill Plumbing | (562) 243-3021 | — | 956851 | 01/31/2027 |
| Ameri-Leak Plumbing LLC | (562) 739-3636 | Visit site | 933179 | 07/31/2027 |
| Ariel's Plumbing Inc. | (323) 816-0292 | — | 873001 | 02/29/2028 |
| Atlas Backflow Inc. | (562) 343-1436 | Visit site | 1088210 | 03/31/2028 |
| Cover Your Brass LLC | (951) 522-6628 | Visit site | 1109399 | 08/31/2027 |
| D L Plumbing | (562) 673-5067 | — | 1057225 | 08/31/2027 |
| Gdel Rooter & Plumbing Inc. | (562) 810-7900 | — | 1051310 | 11/30/2027 |
| Gorsuch Plumbing & Heating And A C E Air Conditioning | (562) 439-4034 | Visit site | 231942 | 06/30/2028 |
| Keith Souter Plumbing Inc. DBA Cal Coast Plumbing | (714) 606-2629 | — | 493848 | 01/31/2028 |
| Pete's Plumbing | (562) 599-0106 | — | 277178 | 07/31/2028 |
| Raymak Plumbing | (562) 986-7654 | — | 1001176 | 02/28/2027 |
| Shoreline Plumbers LLC | (562) 606-8919 | — | 1148697 | 01/31/2028 |
| Super Sewer Plumbing LLC | (310) 895-1154 | — | 1155700 | 05/31/2028 |
| The Plumbing Squad | (866) 324-9553 | — | 1081283 | 09/30/2027 |