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Licensed plumbers in Monrovia, CA
24 plumbing contractors with a CSLB C-36 license list a business address in Monrovia (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 |
|---|---|---|---|---|
| All Systems Pros Inc. | (800) 754-5076 | Visit site | 1097354 | 02/28/2027 |
| American Pipeline Services | (877) 358-8412 | Visit site | 987779 | 10/31/2027 |
| Asset Air & Plumbing | (818) 307-9034 | — | 1142914 | 09/30/2027 |
| Century Sewer Services | (626) 222-7954 | Visit site | 626528 | 08/31/2027 |
| Drain Great Plumbing Services | (888) 778-4862 | — | 1120920 | 05/31/2028 |
| Gomez Plumbing Solutions | (626) 434-5634 | — | 1086167 | 01/31/2028 |
| Hassle Free Plumbing | (619) 817-1944 | — | 913828 | 04/30/2028 |
| JCR Plumbing Inc. | (818) 284-8247 | — | 1073237 | 02/28/2027 |
| John W Allen | (626) 215-4043 | — | 641272 | 11/30/2027 |
| Johnssons Plumbing Service | (626) 359-3429 | — | 586319 | 01/31/2028 |
| MJM Plumbing Inc. | (626) 532-5228 | — | 1139628 | 06/30/2027 |
| Morales Plumbing | (626) 393-7804 | — | 1078761 | 07/31/2027 |
| North Brother Plumbing | (626) 394-9641 | Visit site | 820529 | 06/30/2027 |
| Pipeman | (626) 731-0346 | — | 740665 | 09/30/2027 |
| R J Collins Plumbing Co. Inc. | (626) 461-1700 | — | 583305 | 11/30/2027 |
| Rapid Rhino Plumbing | (626) 524-4255 | Visit site | 1029575 | 08/31/2027 |
| Ripple Plumbing | (626) 255-6032 | — | 1018253 | 09/30/2028 |
| Robert Campos DBA Rocket Plumbing Repair | (626) 660-4899 | — | 1027236 | 05/31/2027 |
| Rocket Plumbing | (626) 622-8503 | — | 612976 | 02/28/2027 |
| Rudy's Plumbing | (626) 358-1490 | Visit site | 917340 | 06/30/2028 |
| S H Plumbing Heating & Air Conditioning | (626) 524-3904 | — | 707018 | 05/31/2027 |
| Sewer King Plumbing And Rooter | (323) 286-1714 | — | 1162300 | 10/31/2028 |
| Sirius Plumbing Inc. | (626) 215-5751 | — | 1151630 | 03/31/2028 |
| Versatile Rooter & Plumbing | (626) 827-0097 | — | 1090469 | 04/30/2028 |