Contractor License Proof

Harkness Gregory L

Licensed

Verified against CSLB on · View on CSLB

License details

License number
598109
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
Exempt
License term on file
July 11, 1990 – July 31, 2026

Business

  • (805) 235 5654 (CSLB public record)
  • 6069 DEL RIO RD, Atascadero, CA 93422San Luis Obispo County

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Frequently asked questions

Is Harkness Gregory L licensed in California?

Yes. Harkness Gregory L holds an active California state contractor license (CSLB #598109), verified against the CSLB public record on June 17, 2026.

What is Harkness Gregory L's CSLB license number?

Harkness Gregory L's California contractor license number is 598109. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=598109

What kind of work is Harkness Gregory L licensed for?

Harkness Gregory L is classified under General Building (B) by the CSLB.

How do I verify Harkness Gregory L's license myself?

Look up license #598109 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=598109. 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.