Water conditioning contractors in Santa Rosa, CA

9 licenses with the C-55 classification list Santa Rosa (Sonoma County) as their address with the state, 9 of them active. Active licenses with nothing flagged come first.

• ✓Bay Area Water ConditioningC-55 · #1090883 Santa Rosa · Sonoma County Active
• ✓James Fisher & Son Inc Dba Culligan Water of Sonoma CountyC-55 · #248084 Santa Rosa · Sonoma County Active
• ✓Munoz PlumbingC-36 · C-55 · #617616 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
• ✓Rayne of the Wine CountryC-55 · #887667 Santa Rosa · Sonoma County Active
• ✓Sonoma Water Services IncC-55 · #873191 Santa Rosa · Sonoma County Active
• ✓Water SquaredC-55 · #980672 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