O'sullivan J F Construction, B General Building Contractor in Novato, CA
O'sullivan J F Construction operating as a sole owner holds an active California contractor license (CSLB #418358), valid through Jan 31, 2027. First issued in 1982, the license has been on the CSLB roster for 44 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Western Surety Company and a previously-filed workers' compensation policy with Clear Spring Property and Casualty Company that is no longer active. The business is based in Novato, in Marin County, California.
- License Number
- 418358
- Issued
- Feb 18, 1982
- Status
- CLEAR
- Expires
- Jan 31, 2027
- Entity
- Sole Owner
- Surety
- Western Surety Company
- Bond Number
- 67189481
- Effective
- Jan 25, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Clear Spring Property and Casualty Company
- Policy Number
- CWC03212201
- Effective
- Jul 5, 2025
- Expires
- Jul 5, 2026
This contractor has a compliance issue in its public CSLB record:
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is O'sullivan J F Construction licensed in California?
Yes. O'sullivan J F Construction holds California Contractors State License Board license number 418358, which is active and in good standing. The license was first issued on February 18, 1982. It is valid through January 31, 2027.
What does O'sullivan J F Construction specialize in?
O'sullivan J F Construction is licensed for one CSLB classification: B General Building Contractor.
Where is O'sullivan J F Construction headquartered?
O'sullivan J F Construction is headquartered at 743 Rowland Blvd, Novato, CA 94947, in Marin County, California.
Does O'sullivan J F Construction have an active surety bond on file with CSLB?
Yes. O'sullivan J F Construction has an active California contractor surety bond filed with Western Surety Company.
Does O'sullivan J F Construction carry workers' compensation coverage?
O'sullivan J F Construction has a previously-filed workers' compensation policy with Clear Spring Property and Casualty Company that is no longer active.
How do I verify O'sullivan J F Construction's contractor license?
You can verify O'sullivan J F Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=418358.
- License issuedFeb 18, 1982
- Bond activeJan 25, 2025
- WC coverage startsJul 5, 2025
- WC expiredJul 5, 2026
- License expiresJan 31, 2027
- Quick Connect Electric CO#394146Corte Madera·B General Building Contractor
- Ghilotti Gary Engineering Contractor#395047San Rafael·A General Engineering Contractor
- Flanagan James Builder#395345Novato·B General Building Contractor
- Plath & Company INC#395458San Rafael·B General Building Contractor
- Finnish American Sauna Company#287227Sausalito·B General Building Contractor
- Young John A#288052Fairfax·B General Building Contractor
- Hibbs William Lowell JR#288025Fairfax·B General Building Contractor
- Salvestrin Dino Construction Company#289622Novato·B General Building Contractor
Working a California job with O'sullivan J F Construction, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.
- California preliminary notice deadline calculatorFind your 20-day deadline and the lien rights at risk.
- Do I need a preliminary notice in California?Answer a few questions to see if the 20-day notice applies.
- Did I lose my California lien rights?Check whether your mechanics lien window has passed.
- Unpaid construction invoice in CaliforniaYour options and deadlines for collecting on a California job.
Own O'sullivan J F Construction? Claim or correct this profile