Updated: Jun 02, 2026
Location
Address
P O BOX 374, Placerville, CA, 95667
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KO Concrete Construction
KO Concrete Construction at P O BOX 374, Placerville, CA 95667, held a Concrete Contractor license (#893871) with the California contractors license board with an expiration date of 04-30-2017. We last verified the license was expired on 06-01-2026.
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.
KO Concrete Construction Services
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KO Concrete Construction Contact Information
Phone Number: (916) 712-8470
Address: P O BOX 374, Placerville, CA 95667
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KO Concrete Construction License info
Inactive License
| License # | 893871 |
| 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 KO Concrete Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
- How the BuildZoom Score works
- *No active license on file. If you are KO Concrete Construction, log in and update your license info in the “Edit Profile” tab.
Bonded
| Bonded Agent | Western Surety Company |
| Bond Value | $15,000 |
KO Concrete Construction Employees
KO
Kent William Olmstead
Sole Owner