Updated: Mar 25, 2026
Location and Projects
Address
9546 HANNAH DRIVE SOUTH, Kelseyville, CA, 95451
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Cal - Core Concrete Contractor
Cal - Core, 9546 Hannah Dr S, Kelseyville, CA (Owned by: Patrick Joel Salak) holds a Concrete Related Services license and 1 other license according to the California license board.
Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Cal - Core, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Cal - Core Services
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Cal - Core Contact Information
Phone Number: (509) 557-0020
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Address: 9546 HANNAH DRIVE SOUTH, Kelseyville, CA 95451
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Pool demolish
Valuation:
N/A
Permit #:
18-1061
Status:
final
Fee:
$204
Permit Type:
Swimming pool
Building Type:
N/A
Pool demolish
Valuation:
N/A
Permit #:
17-0527
Status:
final
Fee:
$91
Permit Type:
Swimming pool
Building Type:
N/A
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Cal - Core Reviews
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Verified License
BuildZoom confirmed this contractor's license
Cal - Core License info
Verified License
| License # | 1016473 |
| Status | Active |
| State | California |
| Type | Concrete Related Services |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Cal - Core at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 594715 |
| Status | Inactive |
| State | California |
| Type | Concrete Related Services |
| Business Type | Sole Ownership |
- 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 Cal - Core at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
Cal - Core Employees
JI
James Charles Darcy III
Owner
PS
Patrick Joel Salak
Owner