Updated: May 18, 2026
Location
Address
4459 SHEARWATER CT, Pleasanton, CA, 94566
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Robert's Concrete
Robert's Concrete at 4459 SHEARWATER CT, Pleasanton, CA 94566, held a Concrete Contractor license (#464635) with the California contractors license board with an expiration date of 10-31-1992. We last verified the license was expired on 05-17-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
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Robert's Concrete License info
Inactive License
| License # | 464635 |
| 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.
Check this license's status for Robert's Concrete at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
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- *No active license on file. If you are Robert's Concrete, log in and update your license info in the “Edit Profile” tab.
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $7,500 |
Insured
| Workers Comp Provider | National American Insurance Company |
Robert's Concrete Employees
RK
Robert Christopher Koopmann
Sole Owner