O'SULLIVAN & SON CONSTRUCTION INC
This license is in good standing, but the workers’ compensation policy on file expired September 2026. If a worker is injured on your project without coverage, the liability can reach you as the homeowner. Ask for a current certificate of insurance before signing.
License
- Status
- CLEAR
- First issued
- August 20, 2007
- Reissued
- April 28, 2009
- Expires
- April 30, 2027
- Entity
- Corporation
- Address of record
- P O BOX 1111, San Ramon, CA 94583
- Phone of record
- (415) 235 5006
Contractor bond
- Surety
- AMERICAN CONTRACTORS INDEMNITY COMPANY
- Bond number
- 100064392
- Amount
- $25,000
- Effective
- January 1, 2023
Workers’ compensation
- Carrier
- NORGUARD INSURANCE COMPANY
- Policy number
- OSWC669283
- Effective
- September 14, 2025
- Expires
- September 14, 2026lapsed
Are they licensed for your job?
A California contractor may only contract for work their classification covers. Pick the job and this reads the license on file against it.
Licensed to perform
A contractor may only contract for work within their classifications. See all 161 licensed general building contractors in San Ramon.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| O'SULLIVAN OLIVER JOHN | Responsible Managing Officer/Chief Executive Officer/President | April 28, 2009 | Current |
| O'SULLIVAN MOLLIE KAY | Officer | April 28, 2009 | April 16, 2017 |
| O'SULLIVAN OLIVER JOHN | Sole Owner | August 20, 2007 | April 28, 2009 |
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Source: California Contractors State License Board public records. Coverage lapse is evaluated against today’s date; all other fields reflect the latest weekly CSLB file. Confirm at the CSLB’s official record before signing a contract.