ROCK HAMMER INC
This license is in good standing, but the workers’ compensation policy on file expired July 2026. If a worker is injured on your project without coverage, the liability can reach you as the homeowner. Ask for a current certificate of insurance before signing.
License
- Status
- CLEAR · WC Susp Pending
- First issued
- May 19, 2008
- Expires
- May 31, 2028
- Entity
- Corporation
- Address of record
- 3750 PLANTATION CIR, Corona, CA 92881
- Phone of record
- (951) 545 0768
Contractor bond
- Surety
- PHILADELPHIA INDEMNITY INSURANCE COMPANY
- Bond number
- PB10163409186
- Amount
- $25,000
- Effective
- February 19, 2026
Workers’ compensation
- Carrier
- WELLFLEET NEW YORK INSURANCE COMPANY
- Policy number
- N9WC766678
- Effective
- July 26, 2025
- Expires
- July 26, 2026lapsed
Are they licensed for your job?
A California contractor may only contract for work their classification covers. Pick the job and this reads the license on file against it.
Licensed to perform
- C-21 Building Moving / Demolition Contractor
- C-39 Roofing Contractor
- D-12 Synthetic Products
- D-06 Concrete-Related Services
- D-64 Non-Specialized
A contractor may only contract for work within their classifications. See all 20 licensed building moving / demolition contractors in Corona.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| GUZZETTI AGNIESZKA MALGORZATA | Officer | May 19, 2008 | Current |
| GUZZETTI CESAR LUIS | Responsible Managing Officer/Chief Executive Officer/President | September 17, 2025 | Current |
| GUZZETTI CESAR LUIS | Responsible Managing Officer/Chief Executive Officer/President | April 2, 2026 | Current |
| GUZZETTI CESAR LUIS | Responsible Managing Officer/Chief Executive Officer/President | July 16, 2008 | Current |
| GUZZETTI CESAR LUIS | Responsible Managing Officer/Chief Executive Officer/President | May 19, 2008 | Current |
| GUZZETTI CESAR LUIS | Responsible Managing Officer/Chief Executive Officer/President | January 7, 2015 | November 15, 2024 |
| GUZZETTI CESAR LUIS | Responsible Managing Officer/Chief Executive Officer/President | May 30, 2019 | November 15, 2024 |
Verified status badge
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Source: California Contractors State License Board public records. Coverage lapse is evaluated against today’s date; all other fields reflect the latest weekly CSLB file. Confirm at the CSLB’s official record before signing a contract.