Well drilling contractors in Santa Rosa, CA

7 licenses with the C-57 classification list Santa Rosa (Sonoma County) as their address with the state, 7 of them active. Active licenses with nothing flagged come first.

• ✓Brett Austin StapletonA · C-57 · C-61/D-9 · #1048719 Santa Rosa · Sonoma County Active
• ✓Clear Heart Drilling IncA · B · C-57 · #780357 Santa Rosa · Sonoma County Active
• ✓Pacific Coast Drilling Company IncA · C-57 · #539855 Santa Rosa · Sonoma County Active
• ✓Petersen - Gpm Well Testing and Water Treatment Services LLCC-55 · C-57 · C-61/D-21 · #985445 Santa Rosa · Sonoma County Active
• ✓Pumpman NorcalA · C-10 · C-16 · C-55 +2 · #1033562 Santa Rosa · Sonoma County Active
• ✓Razo Drilling and Pump IncC-57 · #1122070 Santa Rosa · Sonoma County Active
• !Les Petersen Drilling & Pump IncA · C-55 · C-57 · C-61/D-21 · #261084 Santa Rosa · Sonoma County Active Disciplinary bond on file

Source: CSLB license file, Nov 8, 2026All trades in Santa Rosa