Contractor License Proof

Gem Builders

Licensed

Verified against CSLB on · View on CSLB

License details

License number
603664
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
Covered
License term on file
September 28, 1990 – September 30, 2026

Business

  • (925) 828 9020 (CSLB public record)
  • P O BOX 262, Danville, CA 94526Contra Costa County

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Frequently asked questions

Is Gem Builders licensed in California?

Yes. Gem Builders holds an active California state contractor license (CSLB #603664), verified against the CSLB public record on June 17, 2026.

What is Gem Builders's CSLB license number?

Gem Builders's California contractor license number is 603664. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=603664

What kind of work is Gem Builders licensed for?

Gem Builders is classified under General Building (B) by the CSLB.

How do I verify Gem Builders's license myself?

Look up license #603664 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=603664. 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.