Public CSLB records

O'brien Builders

License #407631·Corporation·Napa, Napa County
Download PDF
Owed money by O'brien Builders? File a 20-day preliminary notice to keep your lien rights.Send a notice
Summary

O'brien Builders operating as a corporation is licensed in California under CSLB number 407631. The license was first issued in 1981, putting the business at 45 years on the active CSLB roster. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Midwest Employers Casualty Company. The business is based in Napa, in Napa County, California.

Business Information
Address
Po Box 760
Napa, CA 94559
License Details & Classifications
License Number
407631
Issued
Jun 30, 1981
Status
CLEAR
Expires
Apr 30, 2027
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
SC1025179
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Midwest Employers Casualty Company
Policy Number
BNET860561649
Effective
Oct 1, 2025
Expires
Oct 1, 2026
Verified

This contractor is verified, with no adverse conditions in the current CSLB record.

License StatusActive
Contractor BondOn file
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is O'brien Builders licensed in California?

Yes. O'brien Builders holds California Contractors State License Board license number 407631. The license was first issued on June 30, 1981. It is valid through April 30, 2027.

What does O'brien Builders specialize in?

O'brien Builders is licensed for one CSLB classification: B General Building Contractor.

Where is O'brien Builders headquartered?

O'brien Builders is headquartered at Po Box 760, Napa, CA 94559, in Napa County, California.

Does O'brien Builders have an active surety bond on file with CSLB?

Yes. O'brien Builders has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does O'brien Builders carry workers' compensation coverage?

Yes. O'brien Builders carries active workers' compensation coverage through Midwest Employers Casualty Company.

How do I verify O'brien Builders's contractor license?

You can verify O'brien Builders's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=407631.

Activity Timeline
  1. License issuedJun 30, 1981
  2. Bond activeJan 1, 2023
  3. WC coverage startsOct 1, 2025
  4. WC expiresOct 1, 2026
  5. License expiresApr 30, 2027
Other contractors in Napa County