← Los Angeles County · All counties
Licensed plumbers in Covina, CA
47 plumbing contractors with a CSLB C-36 license list a business address in Covina (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 |
|---|---|---|---|
| A C Plumbing | (626) 967-3036 | 825130 | 09/30/2027 |
| A Pine Plumbing Co. | (909) 599-5950 | 1093260 | 06/30/2028 |
| A-1 Rooter | (626) 332-4810 | 840421 | 06/30/2028 |
| Ace Pelizon Plumbing Website | (626) 331-0701 | 1154407 | 05/31/2028 |
| Am Plumbing | (626) 210-7831 | 1146344 | 11/30/2027 |
| Andersen Commercial Plumbing LLC | (909) 599-5950 | 1039820 | 05/31/2028 |
| Andersen Commercial Plumbing LLC DBA Asap Drain Guys & Plumbing | (909) 599-5950 | 1081682 | 09/30/2027 |
| Ap Plumbing And Rooter Inc. Website | (323) 239-7204 | 1087944 | 12/31/2027 |
| B W K Plumbing | (626) 383-1275 | 1084421 | 12/31/2027 |
| Big Smile Plumbing | (510) 470-9990 | 1078521 | 11/30/2027 |
| Brown Brothers Backflow Testing Inc. | (626) 858-9696 | 1031850 | 10/31/2027 |
| Courtesy Plumbers Inc. | (626) 967-5655 | 1016116 | 07/31/2028 |
| Cruz Johnny Plumbing | (626) 428-9917 | 1106109 | 06/30/2027 |
| DC Drains | (909) 599-5950 | 1064957 | 04/30/2028 |
| Flash Plumbing Inc. | (626) 648-6022 | 1116600 | 02/29/2028 |
| Golden Eagle Plumbing | (626) 437-0055 | 999190 | 12/31/2027 |
| H D Production Plumbing Contractors Inc. | (626) 966-2884 | 817184 | 02/28/2027 |
| Hartman Plumbing Services | (626) 482-5161 | 1027891 | 06/30/2027 |
| Integrity Plumbing Company | (626) 488-7504 | 717098 | 01/31/2028 |
| JT Rooter And Plumbing Services | (626) 375-4241 | 918226 | 06/30/2028 |
| John Plumbing | (626) 715-6344 | 907585 | 12/31/2027 |
| John White Plumbing | (626) 331-6119 | 497638 | 09/30/2028 |
| Kirman Plumbing Company | (909) 599-5950 | 1083688 | 11/30/2027 |
| Klein Plumbing And Drain Cleaning Service | (626) 967-3993 | 850452 | 12/31/2026 |
| Kline's Plumbing Inc. | (626) 487-1374 | 912603 | 08/31/2028 |
| MG Mechanical & Plumbing LLC | (626) 644-0247 | 1160519 | 09/30/2028 |
| MVP Plumbing & Drain Services Inc. | (616) 367-2580 | 946114 | 01/31/2027 |
| Matthew Olivas | (626) 506-0450 | 950208 | 02/29/2028 |
| Nava Plumbing Company | (626) 255-7450 | 1149784 | 02/29/2028 |
| Nick Hoag | (714) 760-8084 | 1038859 | 05/31/2028 |
| Oscar's Plumbing & Rooter Website | (909) 599-5950 | 1126182 | 09/30/2028 |
| Osmart Plumbing Corp | (626) 716-1903 | 1157593 | 07/31/2028 |
| PMC Plumbing Inc. | (909) 599-5950 | 1133528 | 02/28/2027 |
| Pennine Plumbing Website | (909) 599-5950 | 1090302 | 04/30/2028 |
| Power Plumbing | (909) 599-5950 | 1089489 | 04/30/2028 |
| Ramon Ramos | (323) 578-0881 | 742790 | 11/30/2027 |
| Raymond Palacios | (760) 625-3413 | 1006068 | 08/31/2027 |
| Rugged Plumbing | (323) 767-7550 | 1161620 | 09/30/2028 |
| Securepipe Plumbing Website | (909) 206-2150 | 1150586 | 02/29/2028 |
| Steven Delgado | (626) 421-4255 | 967734 | 11/30/2027 |
| Super Rooter Inc. | (626) 488-4433 | 1032285 | 10/31/2027 |
| T Ryan Plumbing | (626) 833-2176 | 466317 | 02/29/2028 |
| Top Notch Plumbing Inc. | (626) 664-5519 | 1018137 | 02/28/2027 |
| Valley Plumbing | (661) 809-2903 | 408122 | 08/31/2027 |
| Verity Plumbing Inc. | (626) 622-2738 | 970359 | 02/28/2027 |
| Westcoast Plumbing Services | (909) 599-5950 | 1154636 | 05/31/2028 |
| Wuillay Plumbing Inc. | (626) 589-1471 | 527859 | 11/30/2027 |