Updated: Apr 03, 2026
Location
Address
2908 Los Altos Way, Antioch, CA, 94509
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William G Gillespie Construction Co
William G Gillespie Construction Co at 2908 Los Altos Way, Antioch, CA 94509, held a General Contractor license (#340485) with the California contractors license board with an expiration date of 09-30-2021. We last verified the license was expired on 04-02-2026.
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.
William G Gillespie Construction Co Services
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William G Gillespie Construction Co Contact Information
Phone Number: (925) 757-6589
Address: 2908 Los Altos Way, Antioch, CA 94509
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William G Gillespie Construction Co License info
Inactive License
| License # | 340485 |
| 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.
Check this license's status for William G Gillespie Construction Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
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BuildZoom Score
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Bonded
| Bonded Agent | Surety Company Of The Pacific |
| Bond Value | $7,500 |
William G Gillespie Construction Co Employees
WG
William Gene Gillespie
Sole Owner