Public CSLB records

Rock and Sons INC, C-10 Electrical Contractor in Angwin, CA

License #284939·Corporation·Angwin, Napa County
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Summary

Rock and Sons INC operating as a corporation holds an active California contractor license (CSLB #284939), valid through Mar 31, 2027. First issued in 1973, the license has been on the CSLB roster for 53 years. It carries a single CSLB classification: C-10 — Electrical Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Benchmark Insurance Company. The business is based in Angwin, in Napa County, California.

Business Information
Address
323 College Avenue
Angwin, CA 94508
License Details & Classifications
License Number
284939
Issued
Jul 2, 1973
Status
CLEAR
Expires
Mar 31, 2027
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
SC1028025
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Benchmark Insurance Company
Policy Number
99WC0000313901
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 Rock and Sons INC licensed in California?

Yes. Rock and Sons INC holds California Contractors State License Board license number 284939, which is active and in good standing. The license was first issued on July 2, 1973. It is valid through March 31, 2027.

What does Rock and Sons INC specialize in?

Rock and Sons INC is licensed for one CSLB classification: C-10 Electrical Contractor.

Where is Rock and Sons INC headquartered?

Rock and Sons INC is headquartered at 323 College Avenue, Angwin, CA 94508, in Napa County, California.

Does Rock and Sons INC have an active surety bond on file with CSLB?

Yes. Rock and Sons INC has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does Rock and Sons INC carry workers' compensation coverage?

Yes. Rock and Sons INC carries active workers' compensation coverage through Benchmark Insurance Company.

How do I verify Rock and Sons INC's contractor license?

You can verify Rock and Sons INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=284939.

Activity Timeline
  1. License issuedJul 2, 1973
  2. Bond activeJan 1, 2023
  3. WC coverage startsOct 1, 2025
  4. WC expiresOct 1, 2026
  5. License expiresMar 31, 2027
Other contractors in Napa County
California lien & payment resources

Working a California job with Rock and Sons INC, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.

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