Bertram Drilling Inc
Verified license
License 703688 Active
- Geothermal
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Holds an active California C-57 Well Drilling contractor license (CSLB license 1089677, sole owner, first issued 2022, current through 2028-04-30). The C-57 classification covers drilling, casing, cleaning, repairing and destroying water wells and installing and repairing well pumps. Filed 4 well completion reports with the Department of Water Resources since 2016 (0 new wells, 3 of them domestic supply; 4 well destructions), most recently in August 2026, mostly in Napa County.
License 703688 Active
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