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Grinbaum Joseph

License #331648·Sole Owner·Chatsworth, Los Angeles County
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Summary

Grinbaum Joseph operating as a sole owner is licensed in California under CSLB number 331648. The license was first issued in 1977, putting the business at 49 years on the active CSLB roster. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Ohio Casualty Insurance Company (the) and an exempt workers' compensation status (no employees on payroll). The business is based in Chatsworth, in Los Angeles County, California.

Business Information
Address
9857 Owensmouth Ave
Chatsworth, CA 91311
License Details & Classifications
License Number
331648
Issued
Feb 9, 1977
Status
CLEAR
Expires
Apr 30, 2027
Entity
Sole Owner
Financial & Insurance Coverage
Contractor Bond
Surety
Ohio Casualty Insurance Company (the)
Bond Number
940139C
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Exempt
Carrier
—
Policy Number
—
Effective
Mar 6, 2025
Expires
—
Review

This contractor warrants a closer look before contracting:

  • Workers' comp listed as exempt
License StatusActive
Contractor BondOn file
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Grinbaum Joseph licensed in California?

Yes. Grinbaum Joseph holds California Contractors State License Board license number 331648. The license was first issued on February 9, 1977. It is valid through April 30, 2027.

What does Grinbaum Joseph specialize in?

Grinbaum Joseph is licensed for one CSLB classification: B General Building Contractor.

Where is Grinbaum Joseph headquartered?

Grinbaum Joseph is headquartered at 9857 Owensmouth Ave, Chatsworth, CA 91311, in Los Angeles County, California.

Does Grinbaum Joseph have an active surety bond on file with CSLB?

Yes. Grinbaum Joseph has an active California contractor surety bond filed with Ohio Casualty Insurance Company (the).

Does Grinbaum Joseph carry workers' compensation coverage?

Grinbaum Joseph reports an exempt workers' compensation status, meaning the business has no employees on payroll.

How do I verify Grinbaum Joseph's contractor license?

You can verify Grinbaum Joseph's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=331648.

Activity Timeline
  1. License issuedFeb 9, 1977
  2. Bond activeJan 1, 2023
  3. WC coverage startsMar 6, 2025
  4. License expiresApr 30, 2027
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