Location and Projects
Unpingco Concrete
Unpingco Concrete, 1503 Walnut Ave, Antioch, CA (Employees: Betty Louise Unpingco, Frank Uson Unpingco, and Peter Uson Unpingco) holds a Electrical license and 1 other 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 Unpingco Concrete, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Unpingco Concrete Services
Unpingco Concrete Contact Information
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This is a sample of this contractor's permits. Click here to access their complete permit history.
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Unpingco Concrete License info
Verified License
| License # | 1140899 |
| Status | Active |
| State | California |
| Type | Electrical |
| Date Issued | 07-23-2025 |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Unpingco Concrete at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 627798 |
| Status | Inactive |
| State | California |
| Type | Concrete |
| 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 Unpingco Concrete 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 | $7,500 |