A & A Gross Drilling
License 377385 Active
- Pump Installation
- Pump Repair
- Well Abandonment
- Well Drilling
- Well Repair
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Holds an active California C-57 Well Drilling contractor license (CSLB license 237647, corporation, first issued 1965, current through 2027-11-30). The C-57 classification covers drilling, casing, cleaning, repairing and destroying water wells and installing and repairing well pumps. Filed 165 well completion reports with the Department of Water Resources since 2016 (154 new wells, 122 of them domestic supply), most recently in August 2026, mostly in Amador, Calaveras and El Dorado counties.
License 377385 Active
License 425749 Active
License 333800 Active