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Updated: May 17, 2026
Location and Projects
Address
16020 MAUBERT AVE 4, San Leandro, CA, 94578
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Cal Oak Constructors Engineer
Cal Oak Constructors Inc, 16020 Maubert Ave, San Leandro, CA (Employee: Terrence Wayne Gilfillian) holds a General Building, General Engineering license according to the California license board.
Their BuildZoom score of 92 ranks in the top 32% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Cal Oak Constructors Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Cal Oak Constructors Inc Services
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Cal Oak Constructors Inc Contact Information
Phone Number: (415) 910-9596
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Address: 16020 MAUBERT AVE 4, San Leandro, CA 94578
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Building Permits by Cal Oak Constructors Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
2 wall signs at swc commerce & smith
Valuation:
N/A
Permit #:
SGN95023
Status:
approved
Fee:
$115
Permit Type:
Plng
Building Type:
N/A
Demolish of non bearing wall
Valuation:
N/A
Permit #:
B9201345
Status:
final
Fee:
$52
Permit Type:
Dmo
Building Type:
N/A
76 and 143 sq. ft
Valuation:
N/A
Permit #:
SGN94073
Status:
approved
Fee:
$115
Permit Type:
Plng
Building Type:
N/A
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Cal Oak Constructors Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Cal Oak Constructors Inc License info
Verified License
| License # | 1091389 |
| Status | Active |
| State | California |
| Type | General Building, General Engineering |
| Business Type | Corporation |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Cal Oak Constructors Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $15,000 |
Cal Oak Constructors Inc Employees
TG
Terrence Wayne Gilfillian
Rmo / Ceo / Pres