Contractor License Proof

Diamond Grading Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
877432
Status
Active
Classifications
C-12 · Earthwork and Paving
Contractor bond
$25,000
Workers' comp
Covered
License term on file
May 6, 2006 – May 31, 2028

Business

  • (951) 200 5060 (CSLB public record)
  • 4043 AVON STREET, Riverside, CA 92509Riverside County

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Frequently asked questions

Is Diamond Grading Inc licensed in California?

Yes. Diamond Grading Inc holds an active California state contractor license (CSLB #877432), verified against the CSLB public record on June 17, 2026.

What is Diamond Grading Inc's CSLB license number?

Diamond Grading Inc's California contractor license number is 877432. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=877432

What kind of work is Diamond Grading Inc licensed for?

Diamond Grading Inc is classified under Earthwork and Paving (C-12) by the CSLB.

How do I verify Diamond Grading Inc's license myself?

Look up license #877432 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=877432. 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.