O'Brien William & Sons
Burlingame · San Mateo County · CA
Verified
Bestopedia verdict
California’s contractor board lists O'Brien William & Sons 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
- 28 / 30
- License continuity
- 10 / 10
- Workers' comp
- 12 / 12
- Contractor bond
- 8 / 8
The verified record
- CSLB license
- #292934 verify on CSLB ↗
- Classifications
- B
- Years licensed
- 52.2 years since 04/11/1974
- Contractor bond
- $25,000 Atlantic Specialty Insurance Company
- Workers’ comp
- Current State Compensation Insurance Fund
- Business type
- Sole Owner
- Qualifying principal
- William O'brien
- Address of record
- 1590 Granada Dr, Burlingame, CA 94010
Frequently Asked Questions
Is O'Brien William & Sons a licensed General Contractor contractor in California?
Yes. O'Brien William & Sons holds California CSLB contractor license #292934 with a B (General Building) classification. Current CSLB status: CLEAR (as of July 2026).
What work is O'Brien William & Sons licensed to perform?
O'Brien William & Sons is licensed for B (General Building).
Is O'Brien William & Sons bonded?
Yes. O'Brien William & Sons carries contractor's bond #800233478 for $25,000 through Atlantic Specialty Insurance Company.
Does O'Brien William & Sons carry workers' compensation insurance?
Yes. O'Brien William & Sons has workers' compensation insurance on file with State Compensation Insurance Fund, with a policy expiration of 11/28/2026.
How long has O'Brien William & Sons held its contractor license?
O'Brien William & Sons has held California contractor license #292934 since 04/11/1974, approximately 52 years (as of July 2026).
Where is O'Brien William & Sons located?
O'Brien William & Sons is based in Burlingame, San Mateo County, CA 94010.