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Water Conditioning in Santa Rosa, CA

9 records with this classification and Santa Rosa as their locality of record, from CSLB's records, as of November 3, 2026.

Source: California Contractors State License Board (CSLB) — records as of November 3, 2026. Records change; the board’s own CSLB License Check is the current source.

• BAY AREA WATER CONDITIONING CLEAR
  License 1090883 · expires April 30, 2028
• JAMES FISHER & SON INC DBA CULLIGAN WATER OF SONOMA COUNTY CLEAR
  License 248084 · expires August 31, 2027
• LES PETERSEN DRILLING & PUMP INC CLEAR
  License 261084 · expires December 31, 2026
• MUNOZ PLUMBING CLEAR
  License 617616 · expires April 30, 2027
• PETERSEN - GPM WELL TESTING AND WATER TREATMENT SERVICES LLC CLEAR
  License 985445 · expires July 31, 2027
• PUMPMAN NORCAL CLEAR
  License 1033562 · expires December 31, 2027
• RAYNE OF THE WINE COUNTRY CLEAR
  License 887667 · expires November 30, 2028
• SONOMA WATER SERVICES INC CLEAR
  License 873191 · expires February 29, 2028
• WATER SQUARED CLEAR
  License 980672 · expires January 31, 2027