Ganrock CORP, A General Engineering Contractor in Sebastopol, CA
Ganrock CORP operating as a corporation holds an active California contractor license (CSLB #973247), valid through May 31, 2028. First issued in 2012, the license has been on the CSLB roster for 14 years. It carries a single CSLB classification: A — General Engineering Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Sebastopol, in Sonoma County, California.
- License Number
- 973247
- Issued
- May 24, 2012
- Status
- CLEAR
- Expires
- May 31, 2028
- Entity
- Corporation
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800210184
- Effective
- Oct 14, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Apr 7, 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 Ganrock CORP licensed in California?
Yes. Ganrock CORP holds California Contractors State License Board license number 973247, which is active and in good standing. The license was first issued on May 24, 2012. It is valid through May 31, 2028.
What does Ganrock CORP specialize in?
Ganrock CORP is licensed for one CSLB classification: A General Engineering Contractor.
Where is Ganrock CORP headquartered?
Ganrock CORP is headquartered at 4845 Vine Hill Road, Sebastopol, CA 95472, in Sonoma County, California.
Does Ganrock CORP have an active surety bond on file with CSLB?
Yes. Ganrock CORP has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Ganrock CORP carry workers' compensation coverage?
Ganrock CORP reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Ganrock CORP's contractor license?
You can verify Ganrock CORP's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=973247.
- License issuedMay 24, 2012
- Bond activeOct 14, 2025
- WC coverage startsApr 7, 2026
- License expiresMay 31, 2028
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