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Fire Protection in Sonoma, CA

7 records with this classification and Sonoma 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.

• AMERICAN BUILDERS CLEAR
  License 427930 · expires September 30, 2028
• BYRNES & MCCLELLAN CONSTRUCTION INC CLEAR
  License 615048 · expires May 31, 2028
• LORENZINI FIRE PROTECTION CLEAR
  License 1064080 · expires March 31, 2028
• PETERSON MECHANICAL INC CLEAR
  License 171486 · expires June 30, 2028
• PIONEER BUILDERS Contr Bond Susp
  License 555580 · expires January 31, 2027
• THOMAS PETERSEN CLEAR
  License 1068915 · expires September 30, 2028
• WINE COUNTRY FIRE PROTECTION & PLUMBING INC CLEAR
  License 1038646 · expires March 31, 2028