Updated: Apr 11, 2026
Location
Address
P O BOX 2141, Joshua Tree, CA, 92252
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Strongarm Construction
Strongarm Construction, Joshua, Po Box 2141, Joshua Tree, CA (Owned by: Janet Armstrong Johnston) holds a General Building license according to the California license board.
Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Strongarm Construction, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Strongarm Construction Services
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Strongarm Construction Contact Information
Phone Number: (760) 668-3622
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Address: P O BOX 2141, Joshua Tree, CA 92252
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Verified License
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Strongarm Construction License info
Verified License
| License # | 857445 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Strongarm Construction at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Strongarm Construction Employees
JJ
Janet Armstrong Johnston
Owner