California contractor license
DOWDLE & SONS MECHANICAL INC
- A General Engineering
- B General Building
- C20 Warm-Air Heating, Ventilating And Air-Conditioning
- C36 Plumbing
- C-4 Boiler, Hot Water Heating And Steam Fitting
DOWDLE & SONS MECHANICAL INC is a contractor with 5 license classifications, including A General Engineering and B General Building, in American Canyon, Napa County, licensed in California for 38 years (since 1988). As of Oct 1, 2025, the license is active with an expiration date of Sep 30, 2027 on record and a license bond is on file.
DOWDLE & SONS MECHANICAL INCA General Engineering · B General Building · C20 Warm-Air Heating, Ventilating And Air-Conditioning · C36 Plumbing · C-4 Boiler, Hot Water Heating And Steam Fitting · checked Oct 1, 2025
ActiveLicense number#542743
Licensed sinceSep 29, 1988
Years licensed38 years
Expiration on recordSep 30, 2027
City and countyAmerican Canyon, Napa 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 Oct 1, 2025.