California contractor license
DIAMOND CORE DRILLING INC
- C57 Well Drilling
DIAMOND CORE DRILLING INC is a C57 Well Drilling contractor in Redding, Shasta County, licensed in California for 39 years (since 1987). As of Dec 31, 2025, the license is active with an expiration date of Jun 30, 2027 on record and a license bond is on file.
DIAMOND CORE DRILLING INCC57 Well Drilling · checked Dec 31, 2025
ActiveLicense number#512406
Licensed sinceJun 15, 1987
Years licensed39 years
Expiration on recordJun 30, 2027
City and countyRedding, Shasta 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 31, 2025.