California contractor license
DOUGLAS A HAMILTON
- B General Building
- HAZ Hazardous Substances Removal
DOUGLAS A HAMILTON is a B General Building and HAZ Hazardous Substances Removal contractor in Angwin, Napa County, licensed in California for 48 years (since 1978). As of Sep 11, 2025, the license is active with an expiration date of Aug 31, 2027 on record and a license bond is on file.
DOUGLAS A HAMILTONB General Building · HAZ Hazardous Substances Removal · checked Sep 11, 2025
ActiveLicense number#351044
Licensed sinceJan 27, 1978
Years licensed48 years
Expiration on recordAug 31, 2027
City and countyAngwin, 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 Sep 11, 2025.