Location and Projects
John Duncan Construction
John Duncan Construction at P O BOX 681, St Helena, CA 94574, held a General Contractor license (#505385) with the California contractors license board with an expiration date of 02-28-2013. We last verified the license was expired on 06-14-2026.
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.
John Duncan Construction Services
John Duncan Construction Contact Information
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Building Permits by John Duncan Construction
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John Duncan Construction License info
Inactive License
| License # | 505385 |
| Status | Inactive |
| State | California |
| Type | General Building |
| 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 John Duncan 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
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- *No active license on file. If you are John Duncan Construction, click “This is My Business” to update your information.
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $12,500 |