California contractor license
DUNHAM'S BACK-HOE SERVICE
- A General Engineering
DUNHAM'S BACK-HOE SERVICE is an A General Engineering contractor in Sonoma, Sonoma County, licensed in California for 47 years (since 1979). As of Oct 17, 2025, the license is active with an expiration date of Aug 31, 2027 on record and a license bond is on file.
DUNHAM'S BACK-HOE SERVICEA General Engineering · checked Oct 17, 2025
ActiveLicense number#379304
Licensed sinceAug 3, 1979
Years licensed47 years
Expiration on recordAug 31, 2027
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 Oct 17, 2025.