O'sullivan Construction, B General Building Contractor in S San Francisco, CA
O'sullivan Construction operating as a sole owner holds an active California contractor license (CSLB #589596), valid through Mar 31, 2028. First issued in 1990, the license has been on the CSLB roster for 36 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in S San Francisco, in San Mateo County, California.
- License Number
- 589596
- Issued
- Mar 6, 1990
- Status
- CLEAR
- Expires
- Mar 31, 2028
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- SCR678252
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Apr 1, 2026
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is O'sullivan Construction licensed in California?
Yes. O'sullivan Construction holds California Contractors State License Board license number 589596, which is active and in good standing. The license was first issued on March 6, 1990. It is valid through March 31, 2028.
What does O'sullivan Construction specialize in?
O'sullivan Construction is licensed for one CSLB classification: B General Building Contractor.
Where is O'sullivan Construction headquartered?
O'sullivan Construction is headquartered at 132 Arden Ave, S San Francisco, CA 94080, in San Mateo County, California.
Does O'sullivan Construction have an active surety bond on file with CSLB?
Yes. O'sullivan Construction has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does O'sullivan Construction carry workers' compensation coverage?
O'sullivan Construction reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify O'sullivan Construction's contractor license?
You can verify O'sullivan Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=589596.
- License issuedMar 6, 1990
- Bond activeJan 1, 2023
- WC coverage startsApr 1, 2026
- License expiresMar 31, 2028
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