Contractor License Proof

Grinbaum Joseph

Licensed

Verified against CSLB on · View on CSLB

License details

License number
331648
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
Exempt
License term on file
February 9, 1977 – April 30, 2027

Business

  • (818) 341 3236 (CSLB public record)
  • 9857 OWENSMOUTH AVE, Chatsworth, CA 91311Los Angeles County

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Frequently asked questions

Is Grinbaum Joseph licensed in California?

Yes. Grinbaum Joseph holds an active California state contractor license (CSLB #331648), verified against the CSLB public record on June 17, 2026.

What is Grinbaum Joseph's CSLB license number?

Grinbaum Joseph's California contractor license number is 331648. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=331648

What kind of work is Grinbaum Joseph licensed for?

Grinbaum Joseph is classified under General Building (B) by the CSLB.

How do I verify Grinbaum Joseph's license myself?

Look up license #331648 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=331648. 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.