Contractor License Proof

Great Oak Drilling Company Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
778933
Status
Active
Classifications
D-09 · Drilling, Blasting and Oil Field Work
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
May 15, 2000 – May 31, 2028

Business

  • (530) 218 4980 (CSLB public record)
  • 109 GREAT OAK COURT, Nevada City, CA 95959Nevada County

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How to verify a California contractor licenseRed flags when hiring a contractorLicensed vs. bonded vs. insured — what's the difference?Risks of hiring an unlicensed contractor

Frequently asked questions

Is Great Oak Drilling Company Inc licensed in California?

Yes. Great Oak Drilling Company Inc holds an active California state contractor license (CSLB #778933), verified against the CSLB public record on June 17, 2026.

What is Great Oak Drilling Company Inc's CSLB license number?

Great Oak Drilling Company Inc's California contractor license number is 778933. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.

What kind of work is Great Oak Drilling Company Inc licensed for?

Great Oak Drilling Company Inc is classified under Drilling, Blasting and Oil Field Work (D-09) by the CSLB.

How do I verify Great Oak Drilling Company Inc's license myself?

Look up license #778933 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of June 17, 2026.

Verify it yourself: How to verify a California contractor license · Look up #778933 on CSLB

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See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.