Contractor License Proof

Simpson Robert B

Licensed

Verified against CSLB on · View on CSLB

License details

License number
528857
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
Exempt
License term on file
April 26, 1988 – April 30, 2028

Business

  • (626) 441 2091 (CSLB public record)
  • P O BOX 1301, South Pasadena, CA 91031Los Angeles County

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Frequently asked questions

Is Simpson Robert B licensed in California?

Yes. Simpson Robert B holds an active California state contractor license (CSLB #528857), verified against the CSLB public record on June 17, 2026.

What is Simpson Robert B's CSLB license number?

Simpson Robert B's California contractor license number is 528857. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=528857

What kind of work is Simpson Robert B licensed for?

Simpson Robert B is classified under General Building (B) by the CSLB.

How do I verify Simpson Robert B's license myself?

Look up license #528857 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=528857. 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.