California contractor license
TANKO WELL DRILLING
- C57 Well Drilling
TANKO WELL DRILLING is a C57 Well Drilling contractor in Altaville, Calaveras County, licensed in California for 44 years (since 1982). As of Dec 18, 2025, the license is active with an expiration date of Jun 30, 2026 on record and a license bond is on file.
TANKO WELL DRILLINGC57 Well Drilling · checked Dec 18, 2025
ActiveLicense number#423959
Licensed sinceJun 10, 1982
Years licensed44 years
Expiration on recordJun 30, 2026
City and countyAltaville, Calaveras 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.