Contractor License Proof

Cotsis John William

Licensed

Verified against CSLB on · View on CSLB

License details

License number
579825
Status
Active
Classifications
C-10 · Electrical
Contractor bond
$25,000
Workers' comp
Exempt
License term on file
October 25, 1989 – October 31, 2027

Business

  • (661) 722 3256 (CSLB public record)
  • 41447 BRISTLECONE DRIVE, Palmdale, CA 93551Los Angeles County

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Frequently asked questions

Is Cotsis John William licensed in California?

Yes. Cotsis John William holds an active California state contractor license (CSLB #579825), verified against the CSLB public record on June 17, 2026.

What is Cotsis John William's CSLB license number?

Cotsis John William's California contractor license number is 579825. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=579825

What kind of work is Cotsis John William licensed for?

Cotsis John William is classified under Electrical (C-10) by the CSLB.

How do I verify Cotsis John William's license myself?

Look up license #579825 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=579825. This page reflects the CSLB public record as of June 17, 2026.

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