Updated: May 17, 2026
Location and Projects
Address
4255 RIOSA ROAD, Sheridan, CA, 95681
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Calstar Construction
Calstar Construction, 4255 Riosa Rd, Sheridan, CA (Employee: Mathew Anthony Hoffer) holds a General Building license according to the California license board.
Their BuildZoom score of 94 ranks in the top 24% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Calstar Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Calstar Construction Services
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Calstar Construction Contact Information
Phone Number: (408) 429-0464
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Address: 4255 RIOSA ROAD, Sheridan, CA 95681
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This is a sample of this contractor's permits. Click here to access their complete permit history.
300 sq bedroom & bathroom addition to guest house
Valuation:
N/A
Permit #:
FEEPW22-0483
Status:
complete
Fee:
$1,314
Permit Type:
N/A
Building Type:
N/A
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Calstar Construction License info
Verified License
| License # | 1050277 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Calstar Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Bonded
| Bonded Agent | Financial Pacific Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Norguard Insurance Company |
Calstar Construction Employees
MH
Mathew Anthony Hoffer
Sole Owner