Updated: Feb 20, 2026
on Site Solution Construction Company
on Site Solution Construction Company, 450 Whitney Ave, Vallejo, CA (Employees: Carlos Rafael Hernandez Lopez and Justo Jaime Gordillo Abadia) holds a General Building license according to the California license board.
Their BuildZoom score of 92 ranks in the top 32% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring on Site Solution Construction Company, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
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on Site Solution Construction Company Contact Information
Phone Number: (707) 334-4585
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Address: 450 Whitney Ave, Vallejo, CA 94589
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Verified License
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on Site Solution Construction Company License info
Verified License
| License # | 1150680 |
| Status | Active |
| State | California |
| Type | General Building |
| Date Issued | 02-18-2026 |
| Business Type | Corporation |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for on Site Solution Construction Company at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
Bonded
| Bonded Agent | Philadelphia Indemnity Insurance Company |
| Bond Value | $25,000 |
on Site Solution Construction Company Employees
CL
Carlos Rafael Hernandez Lopez
Rmo
JA
Justo Jaime Gordillo Abadia
Ceo / President