Rock Hammer INC, C-21 Building Moving / Demolition Contractor in Corona, CA
Rock Hammer INC operating as a corporation holds California contractor license #915847, which is currently expired (lapsed May 31, 2026) and not valid to contract until it is renewed. First issued in 2008, the license has been on the CSLB roster for 18 years. 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Insurance Company and a previously-filed workers' compensation policy with Wellfleet New York Insurance Company that is no longer active. The business is based in Corona, in Riverside County, California.
- License Number
- 915847
- Issued
- May 19, 2008
- Status
- CLEAR
- Expires
- May 31, 2026
- Entity
- Corporation
- Surety
- Philadelphia Indemnity Insurance Company
- Bond Number
- PB10163409186
- Effective
- Feb 19, 2026
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Wellfleet New York Insurance Company
- Policy Number
- N9WC766678
- Effective
- Jul 26, 2025
- Expires
- Jul 26, 2026
This contractor has a compliance issue in its public CSLB record:
- License expired
- 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 Rock Hammer INC licensed in California?
Rock Hammer INC previously held California Contractors State License Board license number 915847, but the license expired on May 31, 2026 and is not currently valid. It was first issued on May 19, 2008.
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?
Rock Hammer INC has a previously-filed workers' compensation policy with Wellfleet New York Insurance Company that is no longer active.
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.
- License issuedMay 19, 2008
- WC coverage startsJul 26, 2025
- Bond activeFeb 19, 2026
- License expiredMay 31, 2026
- WC expiredJul 26, 2026
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