California contractor license
DON NELSON ROOFING
- C39 Roofing
DON NELSON ROOFING is a C39 Roofing contractor in Danville, Contra Costa County, licensed in California for 51 years (since 1975). As of Dec 18, 2025, the license is active with an expiration date of Oct 31, 2027 on record and a license bond is on file.
DON NELSON ROOFINGC39 Roofing · checked Dec 18, 2025
ActiveLicense number#310534
Licensed sinceSep 22, 1975
Years licensed51 years
Expiration on recordOct 31, 2027
City and countyDanville, Contra Costa 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 Dec 18, 2025.