Updated: Mar 11, 2026
Location
Address
17038 PRESIDENT DRIVE, Castro Valley, CA, 94546
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Isaac Rion Construction
Isaac Rion Construction, 17038 President Dr, Castro Valley, CA (Employee: Isaac Rion Andrade) holds a General Building 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 Isaac Rion Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Isaac Rion Construction Services
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Isaac Rion Construction Contact Information
Phone Number: (925) 519-6615
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Address: 17038 PRESIDENT DRIVE, Castro Valley, CA 94546
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Verified License
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Isaac Rion Construction License info
Verified License
| License # | 1136338 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Isaac Rion Construction 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 | $25,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
Isaac Rion Construction Employees
IA
Isaac Rion Andrade
Sole Owner