California contractor license
FRANK BONETTI PLUMBING INC
- C20 Warm-Air Heating, Ventilating And Air-Conditioning
- C34 Pipeline
- C36 Plumbing
- C-4 Boiler, Hot Water Heating And Steam Fitting
- C42 Sanitation System
FRANK BONETTI PLUMBING INC is a contractor with 5 license classifications, including C20 Warm-Air Heating, Ventilating And Air-Conditioning and C34 Pipeline, in Castro Valley, Alameda County, licensed in California for 58 years (since 1967). As of Mar 25, 2026, the license is active with an expiration date of May 31, 2028 on record and a license bond is on file.
FRANK BONETTI PLUMBING INCC20 Warm-Air Heating, Ventilating And Air-Conditioning · C34 Pipeline · C36 Plumbing · C-4 Boiler, Hot Water Heating And Steam Fitting · C42 Sanitation System · checked Mar 25, 2026
ActiveLicense number#251165
Licensed sinceDec 26, 1967
Years licensed58 years
Expiration on recordMay 31, 2028
City and countyCastro Valley, Alameda 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 Mar 25, 2026.