Updated: Jun 01, 2026
Location and Projects
Address
3750 PLANTATION CIR, Corona, CA, 92881
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Rock Hammer Roofer
Their BuildZoom score of 98 ranks in the top 16% of 336,931 California licensed contractors.
If you are thinking of hiring Rock Hammer Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Rock Hammer Inc Contact Information
Phone Number: (951) 545-0768
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Address: 3750 PLANTATION CIR, Corona, CA 92881
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Demolish of (2) detached nonconforming single family residences. 950 s washington 8000 sf. 954 s washington 1700 sf. remove (3) existing septic tanks and fill using city standards
Valuation:
$20,000
Permit #:
D1800018
Status:
final
Fee:
$2,173
Permit Type:
N/A
Building Type:
N/A
Demolish house complete
Valuation:
N/A
Permit #:
B21-2652
Status:
final
Fee:
$235
Permit Type:
N/A
Building Type:
N/A
Demolish of (2) nonconforming single family residences. 950 s washington 8000 sf. 954 s washington 1700 sf. remove (3) existing septic tanks and fill using city standards
Valuation:
$0
Permit #:
THR18-062
Status:
approved
Fee:
$77
Permit Type:
N/A
Building Type:
N/A
Demolition: house and garage complex
Valuation:
N/A
Permit #:
B23-002535
Status:
complete
Fee:
$383
Permit Type:
N/A
Building Type:
N/A
Demolish single family residence and garage also foudation
Valuation:
$4,000
Permit #:
D2100027
Status:
final
Fee:
$1,797
Permit Type:
N/A
Building Type:
N/A
(bld19-001477) plan check to demolish (1) structure ; - full site demolish
Valuation:
N/A
Permit #:
BPC19-000382
Status:
final
Fee:
$344
Permit Type:
N/A
Building Type:
N/A
Permit to demolish (1) structure; removing slabs - foundations and clear lot
Valuation:
N/A
Permit #:
BLD19-001477
Status:
final
Fee:
$164
Permit Type:
S-fam residential
Building Type:
N/A
Permit to demolish (1) 1400sf single family dwelling -
Valuation:
N/A
Permit #:
BLD18-001549
Status:
final
Fee:
$158
Permit Type:
S-fam residential
Building Type:
N/A
Demolish of 872 sf single family residence
Valuation:
$15,000
Permit #:
D1800042
Status:
final
Fee:
$1,781
Permit Type:
N/A
Building Type:
N/A
Demolition of 1400 sf single family residence
Valuation:
$10,000
Permit #:
D1800041
Status:
final
Fee:
$1,888
Permit Type:
N/A
Building Type:
N/A
Demolition of 1400 sf single family residence revised 04/24/18 to addition septic pit demolition
Valuation:
$5,000
Permit #:
D1800013
Status:
final
Fee:
$1,772
Permit Type:
N/A
Building Type:
N/A
Demolition of 1400 sf single family residence
Valuation:
$0
Permit #:
THR18-146
Status:
approved
Fee:
$77
Permit Type:
N/A
Building Type:
N/A
Demolition of 1400 sf single family residence
Valuation:
$0
Permit #:
THR18-052
Status:
approved
Fee:
$77
Permit Type:
N/A
Building Type:
N/A
Demolish of 872 sf single family residence
Valuation:
$0
Permit #:
THR18-147
Status:
approved
Fee:
$77
Permit Type:
N/A
Building Type:
N/A
Demolition of 842 sf steel building
Valuation:
$5,000
Permit #:
D1800040
Status:
final
Fee:
$1,702
Permit Type:
N/A
Building Type:
N/A
Demolition of 842 sf steel building
Valuation:
$0
Permit #:
THR18-145
Status:
approved
Fee:
$77
Permit Type:
N/A
Building Type:
N/A
Complete demolish of all structures clean up lot leave all concrete and utilities
Valuation:
N/A
Permit #:
PMT18-02684
Status:
final
Fee:
$125
Permit Type:
N/A
Building Type:
N/A
Demolish 2000 sf single family home and 600 sf garage
Valuation:
$10,000
Permit #:
D1800028
Status:
final
Fee:
$1,410
Permit Type:
N/A
Building Type:
N/A
Demolish 1100 sf single family home
Valuation:
$10,000
Permit #:
D1800027
Status:
final
Fee:
$1,401
Permit Type:
N/A
Building Type:
N/A
Demolish triplex and detached garage. gross residential square footage = 2000 sf
Valuation:
$6,000
Permit #:
D1800038
Status:
final
Fee:
$1,392
Permit Type:
N/A
Building Type:
N/A
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Rock Hammer Inc License info
License Not Verified
| License # | 915847 |
| Status | Active |
| State | California |
| Type | Stone & Tile Refurbishing, Concrete Related Services, Synthetic Products, Roofing, Building Moving, Demolition |
| Business Type | Corporation |
- When BuildZoom last verified this license, it had an expiration date of May, 2026. Check the current license status of Rock Hammer Inc with the California Contractors State License Board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 838263 |
| Status | Inactive |
| State | California |
| Type | Stone & Tile Refurbishing |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Rock Hammer Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
Bonded
| Bonded Agent | Hudson Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
21
Permits
- Building permit records show that Rock Hammer Inc has worked on 21 permitted projects.
Rock Hammer Inc Employees
AG
Agnieszka Malgorzata Guzzetti
Officer
CG
Cesar Luis Guzzetti
Rmo / Ceo / Pres