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Licensed plumbers in So San Francisco, CA
3 plumbing contractors with a CSLB C-36 license list a business address in So San Francisco (San Mateo 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 |
|---|---|---|---|
| Allen Mechanical Plumbing Co. | (415) 559-1051 | 611082 | 01/31/2027 |
| Bellanti Plumbing Inc. Website | (650) 588-2990 | 327664 | 04/30/2027 |
| Xela Plumbing Inc. | (650) 984-0508 | 1097481 | 10/31/2028 |