| Company | Location | Certifications | License # |
|---|---|---|---|
| Anderson Rowe & Buckley Inc | San Francisco, CA | Installer (C-42) | 91594 |
| Bacon Plumbing Co Inc | San Francisco, CA | Installer (C-42) | 728650 |
| Creedon Thomas W | San Francisco, CA | Installer (C-42) | 290746 |
| Everett Jeremy A | San Francisco, CA | Installer (C-42) | 948846 |
| Reichel C R Engineering Co Inc | San Francisco, CA | Installer (C-42) | 169169 |
| Sand Joseph C Co Inc | San Francisco, CA | Installer (C-42) | 280333 |
6 companies in the CSLB Licensed C-42 Sanitation System Contractors are based in San Francisco County as of 2026-07-23. Companies based elsewhere in California also commonly serve the county.
Tell us what you need — we'll connect you with state-certified companies serving your area. No obligation.