Public CSLB records

Rock Hammer INC

License #915847·Corporation·Corona, Riverside County
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Summary

Rock Hammer INC operating as a corporation is licensed in California under CSLB number 915847. The license was first issued in 2008, putting the business at 18 years on the active CSLB roster. It carries 5 CSLB classifications: C-21 Building Moving / Demolition Contractor, C-39 Roofing Contractor, C-61/D-6 Concrete-Related Services Contractor, C-61/D-12 Synthetic Products Contractor, and C-61/D-64 Non-specialized Contractor. Records show an active surety bond on file with Philadelphia Indemnity Insurance Company and active workers' compensation coverage from Wellfleet New York Insurance Company. The business is based in Corona, in Riverside County, California.

Business Information
Address
3750 Plantation Cir
Corona, CA 92881
License Details & Classifications
Financial & Insurance Coverage
Contractor Bond
Surety
Philadelphia Indemnity Insurance Company
Bond Number
PB10163409186
Effective
Feb 19, 2026
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
Wellfleet New York Insurance Company
Policy Number
N9WC766678
Effective
Jul 26, 2025
Expires
Jul 26, 2026
Alert

This contractor has a compliance issue in its public CSLB record:

  • License expired
License StatusInactive / Expired
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 Hammer INC licensed in California?

Rock Hammer INC holds California Contractors State License Board license number 915847. The license was first issued on May 19, 2008. It is valid through May 31, 2026.

What does Rock Hammer INC specialize in?

Rock Hammer INC is licensed for 5 CSLB classifications: C-21 Building Moving / Demolition Contractor, C-39 Roofing Contractor, C-61/D-6 Concrete-Related Services Contractor, C-61/D-12 Synthetic Products Contractor, and C-61/D-64 Non-specialized Contractor.

Where is Rock Hammer INC headquartered?

Rock Hammer INC is headquartered at 3750 Plantation Cir, Corona, CA 92881, in Riverside County, California.

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

Yes. Rock Hammer INC has an active California contractor surety bond filed with Philadelphia Indemnity Insurance Company.

Does Rock Hammer INC carry workers' compensation coverage?

Yes. Rock Hammer INC carries active workers' compensation coverage through Wellfleet New York Insurance Company.

How do I verify Rock Hammer INC's contractor license?

You can verify Rock Hammer INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=915847.

Activity Timeline
  1. License issuedMay 19, 2008
  2. WC coverage startsJul 26, 2025
  3. Bond activeFeb 19, 2026
  4. License expiredMay 31, 2026
  5. WC expiresJul 26, 2026
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