Updated: Aug 12, 2026
Location
Address
451 PALA AVE, Piedmont, CA, 94611
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Blackwell, William D Architect
Blackwell, William D at 451 PALA AVE, Piedmont, CA 94611, held a Architect license (#C5587) with the California contractors license board with an expiration date of 08-31-2011. We last verified the license was expired on 08-11-2026.
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 bidding system to be easily matched to qualified, licensed professionals in your area.
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Blackwell, William D Contact Information
Address: 451 PALA AVE, Piedmont, CA 94611
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Blackwell, William D License info
Inactive License
| License # | C5587 |
| Status | Inactive |
| State | California |
| Type | Architect |
- According to the California Architect 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 Blackwell, William D at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
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