Grinbaum Joseph
Chatsworth · Los Angeles County · CA
Verified
Bestopedia verdict
California’s contractor board lists Grinbaum Joseph with a license standing of CLEAR. A contractor bond is on file, and workers’ compensation coverage is current.
- License standing
- 25 / 25
- Clean record
- 15 / 15
- Track record
- 27.2 / 30
- License continuity
- 10 / 10
- Workers' comp
- 9 / 12
- Contractor bond
- 8 / 8
The verified record
- CSLB license
- #331648 verify on CSLB ↗
- Classifications
- B
- Years licensed
- 49.4 years since 02/09/1977
- Contractor bond
- $25,000 Ohio Casualty Insurance Company (The)
- Workers’ comp
- Current
- Business type
- Sole Owner
- Qualifying principal
- Joseph Grinbaum
- Address of record
- 9857 Owensmouth Ave, Chatsworth, CA 91311
Frequently Asked Questions
Is Grinbaum Joseph a licensed General Contractor contractor in California?
Yes. Grinbaum Joseph holds California CSLB contractor license #331648 with a B (General Building) classification. Current CSLB status: CLEAR (as of July 2026).
What work is Grinbaum Joseph licensed to perform?
Grinbaum Joseph is licensed for B (General Building).
Is Grinbaum Joseph bonded?
Yes. Grinbaum Joseph carries contractor's bond #940139C for $25,000 through Ohio Casualty Insurance Company (The).
Does Grinbaum Joseph carry workers' compensation insurance?
CSLB records list the workers' compensation status for Grinbaum Joseph as Exempt.
How long has Grinbaum Joseph held its contractor license?
Grinbaum Joseph has held California contractor license #331648 since 02/09/1977, approximately 49 years (as of July 2026).
Where is Grinbaum Joseph located?
Grinbaum Joseph is based in Chatsworth, Los Angeles County, CA 91311.