California contractor license
PETERSON MECHANICAL INC
- B General Building
- C16 Fire Protection
- C20 Warm-Air Heating, Ventilating And Air-Conditioning
- C34 Pipeline
- C36 Plumbing
- C38 Refrigeration
- C-4 Boiler, Hot Water Heating And Steam Fitting
- C42 Sanitation System
- C43 Sheet Metal
PETERSON MECHANICAL INC is a contractor with 9 license classifications, including B General Building and C16 Fire Protection, in Sonoma, Sonoma County, licensed in California for 68 years (since 1957). As of Apr 1, 2026, the license is active with an expiration date of Jun 30, 2028 on record and a license bond is on file.
PETERSON MECHANICAL INCB General Building · C16 Fire Protection · C20 Warm-Air Heating, Ventilating And Air-Conditioning · C34 Pipeline · C36 Plumbing · C38 Refrigeration · C-4 Boiler, Hot Water Heating And Steam Fitting · C42 Sanitation System · C43 Sheet Metal · checked Apr 1, 2026
ActiveLicense number#171486
Licensed sinceNov 7, 1957
Years licensed68 years
Expiration on recordJun 30, 2028
City and countySonoma, Sonoma County
License bondOn file
ProjectsNone on file
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Source: California Contractors State License Board (CSLB) and City of Los Angeles permit records. Last updated Apr 1, 2026.